{"title":"Hanna Instruments","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/All_poducts.png?v=1751645210\" alt=\"\"\u003e\u003c\/p\u003e","products":[{"product_id":"groline-hi9814-waterproof-ph-ec-tds-meter","title":"Hanna GroLine HI9814 Waterproof pH EC TDS Meter - Portable Hydroponics Tester","description":"\u003ch2\u003eHanna GroLine HI9814 Waterproof Portable pH EC TDS Meter - Professional Hydroponics Testing\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHanna GroLine HI9814\u003c\/strong\u003e is one of the best meters for hydroponics, trusted by commercial and home growers worldwide. This waterproof portable meter delivers fast, accurate measurements of pH, EC\/TDS, and temperature with a specialized 3-in-1 pre-amplified probe—making nutrient management simple, reliable, and hassle-free.\u003c\/p\u003e\n\n\u003ch3\u003eComplete Testing Solution - Ready Out of the Box\u003c\/h3\u003e\n\u003cp\u003eThe HI9814 arrives with everything you need for successful testing: meter, HI1285-7 multiparameter probe, Quick Cal calibration sachets, agriculture cleaning solution, and batteries. Whether you're a commercial operation or at-home grower, verify nutrient results on the spot and start optimizing for larger yields immediately.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-in-1 Measurement:\u003c\/strong\u003e Test pH, EC\/TDS, and temperature simultaneously with one device\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67 Waterproof:\u003c\/strong\u003e Fully waterproof casing withstands demanding grow environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Amplified Probe:\u003c\/strong\u003e Reduces interference from pumps, motors, and grow lights\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Cal System:\u003c\/strong\u003e Fast single-point calibration for pH and EC using one solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable Design:\u003c\/strong\u003e Handheld size for easy movement around grow rooms and greenhouses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Accuracy:\u003c\/strong\u003e ±0.02 pH and ±2% F.S. EC accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Battery Life:\u003c\/strong\u003e 600 hours continuous use on 3 AAA batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003ch4\u003epH Measurement\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e -2.00 to 16.00 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 0.01 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±0.02 pH @ 25°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e Automatic 1 or 2-point (4.01, 7.01, 10.01 pH) or Quick Cal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eEC\/TDS Measurement\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Range:\u003c\/strong\u003e 0.00 to 6.00 mS\/cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Resolution:\u003c\/strong\u003e 0.01 mS\/cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Accuracy:\u003c\/strong\u003e ±2% F.S. @ 25°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTDS Range:\u003c\/strong\u003e 0-3000 ppm (0.5 CF) \/ 0-3990 ppm (0.7 CF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTDS Resolution:\u003c\/strong\u003e 10 ppm (mg\/L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConversion Factor:\u003c\/strong\u003e Selectable 0.5 (500 ppm) or 0.7 (700 ppm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e Automatic 1-point at 1.41 or 5.00 mS\/cm or Quick Cal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eTemperature Measurement\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e -5.0 to 105.0°C \/ 23.0 to 221.0°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 0.1°C \/ 0.1°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±0.5°C \/ ±1.0°F @ 25°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompensation:\u003c\/strong\u003e Automatic for pH and EC (β=1.9%\/°C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProfessional Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge LCD Display:\u003c\/strong\u003e Easy-to-read screen shows all three measurements simultaneously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Operation:\u003c\/strong\u003e Two-button design for intuitive use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick DIN Connector:\u003c\/strong\u003e Easy probe attachment and removal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto Shut-Off:\u003c\/strong\u003e User-selectable (8 min, 60 min, or disabled) to conserve battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Battery Indicator:\u003c\/strong\u003e Blinking alert when battery drops below 10%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003emV Mode:\u003c\/strong\u003e ±825 mV range with 1 mV resolution for ORP measurements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67 Waterproof Rating:\u003c\/strong\u003e Fully protected against dust and water immersion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHI1285-7 Pre-Amplified Multiparameter Probe\u003c\/h3\u003e\n\u003cp\u003eThe included HI1285-7 probe combines a pH electrode, EC\/TDS sensor, and temperature sensor in a durable polypropylene body. The built-in amplifier significantly reduces electrical interference from common grow room equipment—pumps, motors, and ballasts—ensuring stable, accurate readings in challenging environments.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose the GroLine HI9814?\u003c\/h3\u003e\n\u003cp\u003eSpecially designed for hydroponic, aquaponic, and greenhouse nutrient solutions, the HI9814 is a customer favorite among growers who demand reliability and accuracy. The waterproof construction, portable design, and comprehensive testing capabilities make it ideal for both commercial operations and serious hobbyists. Durable, reliable, and built to withstand the demands of professional growing environments.\u003c\/p\u003e\n\n\u003ch3\u003eComplete Specifications Table\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI9814\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-2.00 to 16.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Accuracy (@25°C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.02 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic 1 or 2-point (4.01, 7.01, 10.01 pH) or Quick Cal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003emV Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±825 mV (pH-mV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003emV Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003emV Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±1 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 6.00 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Accuracy (@25°C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic 1-point (1.41 or 5.00 mS\/cm) or Quick Cal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0-3000 ppm (0.5 CF) \/ 0-3990 ppm (0.7 CF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 ppm (mg\/L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Accuracy (@25°C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Conversion Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelectable 0.5 (500 ppm) or 0.7 (700 ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-5.0 to 105.0°C \/ 23.0 to 221.0°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C \/ 0.1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy (@25°C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5°C \/ ±1.0°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH: Automatic; EC: Automatic (β=1.9%\/°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 x 1.5V AAA batteries (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 600 hours continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuto Shut-Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUser selectable: 8 min, 60 min, or disabled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50°C (32 to 122°F); RH max 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP67 Waterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e154 x 63 x 30 mm (6.1 x 2.5 x 1.2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e196 g (6.91 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 years (meter); 6 months (probe)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGroLine HI9814 portable pH\/EC\/TDS meter\u003c\/li\u003e\n\u003cli\u003eHI1285-7 pH\/EC\/TDS multiparameter probe with built-in temperature sensor, DIN connector, and 1m (3.3') cable\u003c\/li\u003e\n\u003cli\u003eHI50036 Quick Calibration Solution sachets (3)\u003c\/li\u003e\n\u003cli\u003eHI700661 Agriculture Cleaning Solution sachets (3)\u003c\/li\u003e\n\u003cli\u003e3 x 1.5V AAA alkaline batteries\u003c\/li\u003e\n\u003cli\u003eInstrument Quality Certificate\u003c\/li\u003e\n\u003cli\u003eElectrode Quality Certificate\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVideo Tutorial\u003c\/h3\u003e\n\u003cp\u003e\u003ciframe width=\"600\" height=\"338\" src=\"https:\/\/www.youtube.com\/embed\/G4HS85kYig0\" title=\"Hanna GroLine HI9814 Calibration\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Hanna Instruments (GroLine Series)\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Romania\u003cbr\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 080000098146\u003cbr\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e HI9814\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":40894813110359,"sku":"HI9814","price":309.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI9814-Badge__78865.jpg?v=1752764119"},{"product_id":"groline-waterproof-hydroponic-ph-tester","title":"Hanna HI98118 GroLine pH\/Temperature Tester | Waterproof Hydroponics Meter","description":"\u003cp\u003eThe GroLine HI98118 pH\/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern looking meter is only 0.7\" thick and extremely ergonomic, fitting comfortably in your hand. The HI98118 has a very large easy to read LCD display that shows both pH and temperature along with calibration, stability and low battery indicators. All operations are simplified to two buttons. One is for turning the meter on\/off and the other for automatic one or two point calibration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-Button Operation\u003c\/li\u003e\n\u003cli\u003eQuick Calibration Mode using Hanna Quick Cal pH\/EC Calibration Solution\u003c\/li\u003e\n\u003cli\u003eCloth junction providing a larger surface area than a standard ceramic junction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe HI98118 GroLine pocket pH Tester is an affordable way to measure the pH of hydroponic nutrient solutions. The maintaining of an optimal pH is essential to maximize optimum growth. The general rule of thumb is that as pH increases the solubility of minerals and nutrients decrease. It is important that nutrients are soluble for plants to uptake and use for growth. The pH of nutrient solution can also affect the bacteria that fix nitrogen for the plant to use. Every plant has optimum pH levels for growth. Below is a table for the ideal pH range for a variety of plants.\u003cbr\u003e\u003cbr\u003eThe HI98118 can be used to measure the pH in soils as well as nutrient solutions. The North Carolina State University has outlined a procedure known as Pour Through Sampling Method. This method is used for container plants in which 50 ml of leachate is collected from a thoroughly watered plant and then tested.\u003cbr\u003e\u003cbr\u003eTo measure the pH of soil as a slurry the USDA recommends a mixture of 1 part soil to 1 part water. The slurry is allowed to rest for 10 minutes so that the solids will settle out and the pH of liquid above can be measured.\u003cbr\u003e\u003cbr\u003eThe HI98118 is an advanced meter while maintaining simplicity. The front of the meter has two buttons. One is for turning the meter on and off while the other is used to enter the calibration mode. There is a third button in the battery compartment that allows the user to customize the meter to their preference. Customization includes temperature readout in oC or oF, automatic shut off selectable from 8 minutes, 60 minutes or disabled, and lastly the choice of using Hanna's Quick Cal pH\/EC standard or traditional buffers values of pH 4.01, 7.01 and 10.01.\u003cbr\u003e\u003cbr\u003eThe HI98118 features a cloth junction. The reference junction of a pH electrode, also known as a salt bridge, provides an electrical pathway between the internal reference cell and the sample. A cloth or fiber wick juction\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eprovides a larger surface area than a standard ceramic junction.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eFeatures at-a-glance\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBuilt in temperature sensor for Automatic Temperature Compensated measurements.\u003c\/li\u003e\n\u003cli\u003eCloth junction\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eproviding a larger surface area than a standard ceramic junction.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eStability indicator that disappears once a stable reading is obtained .\u003c\/li\u003e\n\u003cli\u003eAutomatic calibration to one or two points at a push of a button.\u003c\/li\u003e\n\u003cli\u003eUses Hanna's Quick Cal pH\/EC standard with a pH value of 6.86. The standard can also be used to calibrate conductivity meters to 5,000 μS\/cm .\u003c\/li\u003e\n\u003cli\u003eBattery % level remaining displayed at start up.\u003c\/li\u003e\n\u003cli\u003eLow battery indicator that is displayed when less than 10% battery life is remaining.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e \u003c\/h4\u003e\n\u003ch4\u003eOptimum pH Levels for Plants\u003c\/h4\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003ctable border=\"0\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ccolgroup\u003e \u003ccol width=\"135\"\u003e \u003ccol width=\"147\"\u003e \u003ccol width=\"157\"\u003e \u003ccol width=\"144\"\u003e \u003ccol width=\"138\"\u003e \u003ccol width=\"85\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl67\" width=\"135\" height=\"19\"\u003e\n\u003cdiv\u003e\u003cstrong\u003eVegetable Plants\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl65\" width=\"147\"\u003e\u003cstrong\u003eOptimal pH\u003cspan\u003e \u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"xl66\" width=\"157\"\u003e\n\u003cdiv\u003e\u003cstrong\u003eGarden\/Flower Plants\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl65\" width=\"144\"\u003e\u003cstrong\u003eOptimal pH\u003cspan\u003e \u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"xl65\" width=\"138\"\u003e\u003cstrong\u003eOrchard Plants\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"xl65\" width=\"85\"\u003e\u003cstrong\u003eOptimal pH \u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eArtichoke\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6.5-7.5\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eAcacia\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl68\"\u003e\n\u003cdiv\u003e6-8\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eApple\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e5-6.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eAsparagus\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-8\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eAcanthus\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl68\"\u003e\n\u003cdiv\u003e6-7\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eApricot\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eBarley\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eAmaranth\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e6-6.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eApricot\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eBean\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7.5\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eBougainvillea\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e5.5-7.5\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eCherry\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eBrussels Sprout\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7.5\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eDahlia\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7.5\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eGrapefruit\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eCorn (Maize)\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e6-7.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eErica\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e4.5-6\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eGrapevine\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eCucumber\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e5.5-7.5\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eEuphorbia\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl68\"\u003e\n\u003cdiv\u003e6-7\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eLemon\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eEarly carrot\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e5.5-7\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eFuchsia\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e5.5-7.5\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eNectarine\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eEarly Potato\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e4.5-6\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eGentian\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e5-7.5\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eOrange\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e5-7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eEgg Plant\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e5.5-7\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eGladiolus\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl68\"\u003e\n\u003cdiv\u003e6-7\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003ePeach\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eLate carrot\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e5.5-7\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eHellebore\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e6-7.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003ePear\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eLate Potato\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e4.5-6\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eHyacinth\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6.5-7.5\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003ePlum\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eLettuce\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl68\"\u003e\n\u003cdiv\u003e6-7\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eIris\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e5-6.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003ePomegranate\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e5.5-6.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eMelon\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e5.5-6.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eJuniper\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e5-6.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eWalnut\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eOat\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl68\"\u003e\n\u003cdiv\u003e6-7\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eLigustrum\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e5-7.5\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eOnion\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl68\"\u003e\n\u003cdiv\u003e6-7\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eMagnolia\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl68\"\u003e\n\u003cdiv\u003e5-6\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003ePea\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e6-7.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eNarcissus\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e6-8.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003ePepper\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eOleander\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7.5\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003ePumpkin\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e5.5-7.5\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003ePaulownia\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl68\"\u003e\n\u003cdiv\u003e6-8\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eRice\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e5-6.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003ePortulaca\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e5.5-7.5\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eSoybean\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e5.5-6.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003ePrimula\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e6-7.5\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eSpinach\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e6-7.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eRhododendron \u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e4.5-6\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eStrawberry\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e5-7.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eRoses\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e5.5-7\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eString Beans\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e6-7.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eSedum\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e6-7.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eSugar beet\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl68\"\u003e\n\u003cdiv\u003e6-7\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eSunflower\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl68\"\u003e\n\u003cdiv\u003e6-7\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eSunflower\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e6-7.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eTulip\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl68\"\u003e\n\u003cdiv\u003e6-7\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eSweet Potato\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e5.5-6\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003eViola\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e5.5-6.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eTomato\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e5.5-6.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eWatermelon\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl63\"\u003e\n\u003cdiv\u003e5.5-6.5\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"xl63\" height=\"19\"\u003e\n\u003cdiv\u003eWheat\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl68\"\u003e\n\u003cdiv\u003e6-7\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Name\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI98118\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Ranges\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 14.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Accuracy (@25°C\/77°F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.2 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eautomatic, one or two-points (pH 4.01, 7.01, 10.01); one-point calibration using HI5036 or HI50036P Quick Cal calibration solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Temperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eautomatic, 0 to 50°C (32 to 122°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0 to 50.0°C\/32.0 to 122.0°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C\/0.1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5°C\/±1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic Shut-Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 minutes, 60 minutes, or can be disabled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type \/ Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCR2032 Li-ion \/ approximately 1000 hours of continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50°C (32 to 122°F); RH 100% max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e160 x 40 x 17 mm (6.3 x 1.6 x 0.7’’)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e75 g (2.6 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrdering Information\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI98118 GroLine pH tester, Quick Cal calibration sachets (3), electrode cleaning solution sachet, battery, instruction manual and quality certificate.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":40894830870615,"sku":"HI98118","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/groline-ph-tester-cover-hi98118__35587.jpg?v=1715032360"},{"product_id":"groline-hi98318-waterproof-ec-tds-tester-hydroponics","title":"GroLine HI98318 Waterproof EC\/TDS Tester - 0-6 mS\/cm for Hydroponics \u0026 Nutrients","description":"\u003cdiv id=\"hs_cos_wrapper_product_details\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"module\"\u003e\n\u003csection id=\"product-details\" class=\"grid-container product-details\" data-product-details=\"\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-product-description=\"\"\u003e\n\u003cdiv id=\"hs_cos_wrapper_product_details_\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-field=\"product_description\"\u003e\n\u003cp\u003eThe HI98318 is our latest pocket meter for measuring the EC\/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7\" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a very large easy to read LCD display that shows both EC or TDS and temperature along with calibration, stability and low battery indicators. All operations are simplified to two buttons. One is for turning the meter on\/off and the other for automatic one point calibration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGraphite Sensor for Reduced Polarization Effect\u003c\/li\u003e\n\u003cli\u003eTwo-Button Operation\u003c\/li\u003e\n\u003cli\u003eQuick Calibration Mode using Hanna pH\/EC Quick Cal Solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv class=\"off-canvas position-right is-transition-overlap is-closed\" id=\"product-request-a-quote\" data-off-canvas=\"request-a-quote\" aria-hidden=\"true\" data-e=\"jvfqiz-e\"\u003e\n\u003csection\u003e\n\u003cdiv id=\"hbspt-form-9fa96898-d069-40fb-8f3c-ae478036618a\" class=\"hbspt-form\" data-hs-forms-root=\"true\"\u003e\u003cform id=\"hsForm_59069814-9985-4362-9b58-0f2c07cd3b4f\" method=\"POST\" enctype=\"multipart\/form-data\" novalidate=\"\" action=\"https:\/\/forms.hsforms.com\/submissions\/v3\/public\/submit\/formsnext\/multipart\/2134380\/59069814-9985-4362-9b58-0f2c07cd3b4f\" class=\"hs-form-private hsForm_59069814-9985-4362-9b58-0f2c07cd3b4f hs-form-59069814-9985-4362-9b58-0f2c07cd3b4f hs-form-59069814-9985-4362-9b58-0f2c07cd3b4f_9fa96898-d069-40fb-8f3c-ae478036618a hs-form stacked\" data-instance-id=\"9fa96898-d069-40fb-8f3c-ae478036618a\" data-form-id=\"59069814-9985-4362-9b58-0f2c07cd3b4f\" data-portal-id=\"2134380\" data-test-id=\"hsForm_59069814-9985-4362-9b58-0f2c07cd3b4f\" accept-charset=\"UTF-8\" target=\"target_iframe_59069814-9985-4362-9b58-0f2c07cd3b4f\"\u003e\u003c\/form\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"hs_cos_wrapper_widget_12054461650\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"module\"\u003e\n\u003csection class=\"banner--product-rich-text\"\u003e\n\u003cdiv class=\"grid-container\"\u003e\n\u003cdiv class=\"align-center\"\u003e\n\u003cdiv class=\"cell small-12 large-10\"\u003e\n\u003cdiv id=\"hs_cos_wrapper_widget_12054461650_\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-field=\"content\"\u003e\n\u003cp\u003eThe GroLine Waterproof EC\/TDS Tester is made specifically for hydroponics, provides a simple, inexpensive solution to measure fertilizer concentration in a nutrient solution.\u003c\/p\u003e\n\u003cp\u003eThe HI98318 EC\/TDS tester has a graphite sensor that reduces the polarization effect common with amperometric testers that use two stainless steel pins.\u003c\/p\u003e\n\u003cp\u003eAutomatic calibration is achieved easily. Simply submerge the sensor in calibration solution and the meter will automatically detect the calibration standard (5.00 mS\/cm in Quick Cal mode or 1.41 mS\/cm in standard calibration mode). Temperature is automatically compensated for with the integrated temperature sensor.\u003c\/p\u003e\n\u003ch4\u003eFeatures at-a-glance\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eWaterproof\u003c\/li\u003e\n\u003cli\u003eFast Automatic Temperature Compensation with exposed temperature probe\u003c\/li\u003e\n\u003cli\u003eGraphite sensors that reduce polarization effects\u003c\/li\u003e\n\u003cli\u003e0.5 (500 ppm) and 0.7 (700 ppm) selectable EC to TDS conversion factors\u003c\/li\u003e\n\u003cli\u003eSingle point automatic calibration using Quick Cal standard or 1.41 mS\/cm in standard calibration mode\u003c\/li\u003e\n\u003cli\u003e250 hour battery life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Name\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI98318\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 6.00 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eautomatic,single point (1.41 mS\/cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 3000 ppm (500 CF); 0 to 3999 ppm (700 CF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 ppm (mg\/L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC\/TDS Temperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eautomatic from 0 to 50°C (32 to 122°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC to TDS Conversion Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 (500 ppm) or 0.7 (700 ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0 to 50.0°C \/ 32.0 to 122.0°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C \/ 0.1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5°C \/±1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type \/ Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCR2032 Li-Ion 3V (1 pc.)\/ approximately 250 hours of continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50°C (32 to 122°F); RH max 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e160 x 40 x 17 mm (6.3 x 1.6 x 0.7“)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e75 g (2.6 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrdering Information\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI98318 GroLine EC\/TDS meter is supplied with protective cap, (4) HI50036 Quick Cal Calibration Sachets (20 ml), (1) CR2032 battery, instruction manual, and quality certificate.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":40894849646679,"sku":"HI98318","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/groline-waterproof-ec-tds-ppm-tester-front-view-hi98318__72154.1559321308.1280.1280_1.jpg?v=1715791295"},{"product_id":"hanna-instruments-soil-test-direct-soil-conductivity-tester","title":"Groline Soil Test Direct Soil Conductivity Tester-HI98331","description":"\u003cp\u003eConThe HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil Test is an excellent choice for taking direct conductivity measurements in soil.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo need for soil slurries with the steel penetration electrode.\u003c\/li\u003e\n\u003cli\u003eIntegrated temperature sensor for automatic temperature compensation.\u003c\/li\u003e\n\u003cli\u003eGreat for environmental and agricultural testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y align-right\"\u003e\n\u003cdiv class=\"cell small-12  border-after--blue-wide\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv data-details=\"\" class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eLightweight \u0026amp; Portable\u003c\/h4\u003e\n\u003cp\u003eMade to fit comfortably in your hand, this compact EC tester for soil has an easy-to-view LCD. The stainless steel electrode allows for direct penetration into soil and soil slurries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eMade for Any User\u003c\/h4\u003e\n\u003cp\u003eThe HI98331 makes testing easy for any user with single button operation and automatic calibration to 1413 µS\/cm conductivity standard. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eIntegrated Temperature Probe\u003c\/h4\u003e\n\u003cp\u003eUsing a fixed 2%\/C temperature correction coefficient, this EC tester has a built-in temperature sensor so that samples are automatically compensated for temperature variations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto small-order-1 large-order-2\"\u003e\n\u003ch4\u003eMeasure the Bulk EC of Your Soil with a Soil Conductivity Test\u003c\/h4\u003e\n\u003cp\u003eBulk electrical conductivity of soil measures the total conductivity. Total conductivity includes the EC of the soil, air, and moisture in your sample. All these things carry charged ions that would read as EC. This reading is very useful; you can calculate your pore water conductivity and saturated extract conductivity from the result. You would need to know your water content to perform that calculation (how much water there is in your soil).\u003c\/p\u003e\n\u003ch5\u003eHow To Measure the Bulk EC with your Direct Soil EC Meter\u003c\/h5\u003e\n\u003col\u003e\n\u003cli\u003ePick your testing location.\u003c\/li\u003e\n\u003cli\u003eRinse the testing probe with deionized water, and make sure it is dry.\u003c\/li\u003e\n\u003cli\u003eCheck the soil and ensure that the soil is moist.\u003c\/li\u003e\n\u003cli\u003eUse a ruler or auger to make a hole in the soil. This keeps the testing depth consistent.\u003c\/li\u003e\n\u003cli\u003eInsert your soil conductivity tester directly into the soil, and take your measurement.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Name\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI98331\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 4000 μS\/cm; 0.00 to 4.00 mS\/cm (dS\/m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 μS\/cm; 0.01 mS\/cm (dS\/m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±50 μS\/cm (0 to 2000 μS\/cm); ±300 μS\/cm (2000 to 4000 μS\/cm); ±0.05 mS\/cm (0.00 to 2.00 mS\/cm); ±0.30 mS\/cm (2.00 to 4.00 mS\/cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eautomatic, one-point (1.41 mS\/cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC\/TDS Temperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, with coefficient (ȕ) fixed @ 2%\/°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0 to 50.0°C (32.0 to 122.0ºF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C (0.1°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±1°C (±1.5°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC\/TDS Probe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e114 mm (4.5”) stainless steel penetration (fixed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic Shut-Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 minutes, 60 minutes, or can be disabled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type \/ Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCR2032 Li-ion (included) \/ approx. 100 hours of continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50°C (32 to 122°F); RH 95% max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 x 196 x 21 mm (2.0 x 7.7 x 0.9“)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e74 g (2.4 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrdering Information\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI98331 (Soil Test) is supplied with HI73331 penetration conductivity probe, calibration screwdriver, batteries and instructions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":40894878253143,"sku":"HI98331","price":164.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI98331.jpg?v=1715034465"},{"product_id":"hanna-hi98131-groline-ph-ec-tds-temperature-tester-waterproof","title":"Hanna HI98131 GroLine pH EC TDS Temperature Tester - Waterproof Pocket Meter","description":"\u003cdiv data-hs-cos-type=\"module\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" id=\"hs_cos_wrapper_product_details\"\u003e\n\u003csection data-product-details=\"\" class=\"grid-container product-details\" id=\"product-details\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-product-description=\"\"\u003e\n\u003cdiv data-hs-cos-field=\"product_description\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" id=\"hs_cos_wrapper_product_details_\"\u003e\n\u003cp\u003eThe HI98131 is a slim, lightweight, and waterproof pocket tester that measures pH, conductivity (EC), TDS (ppm), and temperature. Simple, two-button meter operation and advanced features, including a selectable EC to TDS conversion factor (0.5 - 500 ppm and 0.7 - 700 ppm). for your essential testing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAll measurements in a single, hassle-free tester.\u003c\/li\u003e\n\u003cli\u003eQuick Cal solutions to calibrate pH and conductivity all at once with a single solution.\u003c\/li\u003e\n\u003cli\u003ePerfect for hydroponics, greenhouse, and agriculture use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv data-hs-cos-type=\"module\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" id=\"hs_cos_wrapper_widget_1563308262321\"\u003e\n\u003csection class=\"banner--product-col2-details grid-container\"\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y align-right\"\u003e\n\u003cdiv class=\"cell small-12  border-after--blue-wide\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003eThe HI98131 GroLine pH and TDS water tester feature a large multi-level LCD that displays both pH, EC or TDS and temperature readings simultaneously. The pH readings are displayed with a 0.01 resolution and with an accuracy of +\/-0.05 pH, while the EC and TDS readings are displayed with a 0.01 mS\/cm and 10 ppm (mg\/L) resolution and 2% full-scale accuracy. The EC range of the HI98131 is from 0.01 to 6.00 mS\/cm and TDS is from 0 to 3000 ppm using a 0.5 conversion factor. The HI98131 also offers the option to use a 0.7 (700 ppm) EC to TDS conversion factor. An exposed temperature sensor allows for rapid temperature compensated measurements of EC and TDS. The LCD screen has indicators for calibration status and stability. The battery percent level is displayed at start up alerting the user to the remaining battery power that is available. The HI98131 is a versatile pocket meter designed for hydroponics, greenhouse and agriculture applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto small-order-1 large-order-2\"\u003e\n\u003cp\u003e\u003cimg height=\"561\" sizes=\"(max-width: 1000px) 100vw, 1000px\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/gro-line-combo-removable-probe-hi98131.jpg?width=500\u0026amp;name=gro-line-combo-removable-probe-hi98131.jpg 500w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/gro-line-combo-removable-probe-hi98131.jpg?width=1000\u0026amp;name=gro-line-combo-removable-probe-hi98131.jpg 1000w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/gro-line-combo-removable-probe-hi98131.jpg?width=1500\u0026amp;name=gro-line-combo-removable-probe-hi98131.jpg 1500w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/gro-line-combo-removable-probe-hi98131.jpg?width=2000\u0026amp;name=gro-line-combo-removable-probe-hi98131.jpg 2000w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/gro-line-combo-removable-probe-hi98131.jpg?width=2500\u0026amp;name=gro-line-combo-removable-probe-hi98131.jpg 2500w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/gro-line-combo-removable-probe-hi98131.jpg?width=3000\u0026amp;name=gro-line-combo-removable-probe-hi98131.jpg 3000w\" width=\"561\" alt=\"gro-line-combo-removable-probe-hi98131\" src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/gro-line-combo-removable-probe-hi98131.jpg?width=1000\u0026amp;name=gro-line-combo-removable-probe-hi98131.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cell small-12 large-auto small-order-2 large-order-1\" data-details=\"\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\" data-detail-item=\"\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eSimplified one-button calibration\u003c\/h4\u003e\n\u003cp\u003eOne or two-point pH calibration is automatic to a pre-programmed buffer set (4.01, 7.01 and 10.01) or single point pH and EC calibration with the Hanna Quick Cal calibration solution. To perform a quick cal calibration, simply press and hold the left power\/mode button while in measurement mode for three seconds and let go to enter calibration mode. Once both pH and EC are calibrated \"CAL OK\" is displayed and the meter returns to measurement mode.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\" data-detail-item=\"\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eHI73127 Replaceable pH electrode\u003c\/h4\u003e\n\u003cp\u003eThe HI99131 TDS water tester is supplied with the HI73127 replaceable pH electrode. This electrode features an extractable junction that can be pulled 1\/8\" out to clear any clogging that results in drifting and erratic readings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv data-hs-cos-type=\"module\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" id=\"hs_cos_wrapper_widget_1563308284800\"\u003e\n\u003csection class=\"banner--product-features\"\u003e\n\u003cdiv class=\"grid-container features-container\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x align-center feature-list\"\u003e\n\u003cdiv class=\"cell small-12 large-10\"\u003e\n\u003ch2 class=\"section-header border-after--green text-center\"\u003eFeatures-at-a-glance\u003c\/h2\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/groline-hydroponic-waterproof-pocket-ph-ec-tds-temperature-tester\/\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003e3 sensors in a single meter\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003epH electrode with extractable junction\u003c\/li\u003e\n\u003cli\u003eAmperometric EC\/TDS sensor\u003c\/li\u003e\n\u003cli\u003eExposed temperature probe for faster EC\/TDS readings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/groline-hydroponic-waterproof-pocket-ph-ec-tds-temperature-tester\/\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eWaterproof\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned to withstand the humidity of a growing environment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/groline-hydroponic-waterproof-pocket-ph-ec-tds-temperature-tester\/\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eWide pH Range\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003epH range is from 0.00 to 14.00 pH\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/groline-hydroponic-waterproof-pocket-ph-ec-tds-temperature-tester\/\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eSelectable EC to TDS conversion factor\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eChoice of either a 0.5 or 0.7 conversion factor\u003cbr\u003e0.5 (500 CF) conversion factor is for an EC reading of 1000 μS\/cm = 500 ppm\u003cbr\u003e0.7 (700 CF) conversion factor is for an EC reading of 1000 μS\/cm = 700 ppm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/groline-hydroponic-waterproof-pocket-ph-ec-tds-temperature-tester\/\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eAutomatic Temperature Compensation\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eAll readings are compensated for variations in temperature\u003cbr\u003eTemperature displayed in °C or °F along with pH, EC or TDS reading\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/groline-hydroponic-waterproof-pocket-ph-ec-tds-temperature-tester\/\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eStability indicator\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eMeter displays a clock tag that will disappear when the reading has achieved stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/groline-hydroponic-waterproof-pocket-ph-ec-tds-temperature-tester\/\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eHOLD button\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eFreezes reading on the display to allow recording of measurement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/groline-hydroponic-waterproof-pocket-ph-ec-tds-temperature-tester\/\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eBEPS (Battery Error Prevention System\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eMeter will automatically shut off if there is not enough power to get an accurate measurement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/groline-hydroponic-waterproof-pocket-ph-ec-tds-temperature-tester\/\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eBattery % level at startup\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/groline-hydroponic-waterproof-pocket-ph-ec-tds-temperature-tester\/\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eLow Battery Indicator\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eWhen the level is below 5%, the battery symbol on the LCD blinks to indicate a low battery condition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/groline-hydroponic-waterproof-pocket-ph-ec-tds-temperature-tester\/\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eAuto-off\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eSelectable time before meter will automatically shut off to conserve battery life. Options are after 8 minutes, 60 minutes, or disabled.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Name\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003esku\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI98131\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 14.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Accuracy @ 25°C \/ 77°F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.10 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eautomatic, one or two-point calibration (using pH 4.01, 7.01, 10.01 buffers); one point calibration using HI50036 Quick Cal pH and EC one-point calibration solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0 to 60.0 °C (32.0 to 140.0 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 °C (0.1 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy @ 25°C \/ 77°F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5 °C (±1.0 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 6.00 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Accuracy @25°C\/77°F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eautomatic, one-point at 1.41 mS\/cm or 5.00 mS\/cm; one point calibration using Quick Cal pH and EC one-point calibration solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 3000 ppm (0.5 CF); 0 to 3999 ppm (0.7 CF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 ppm (mg\/L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Accuracy @ 25°C \/ 77°F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Conversion Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 (500 ppm) or 0.7 (700 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH: automatic; EC: automatic, with β= 1.9%\/°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5V batteries (4 pcs.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapproximately 100 hours of continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50 °C (32 to 122 °F); RH max. 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e163 x 40 x 26 mm (6.4 x 1.6 x 1.0”)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e95 g (3.4 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrdering Information\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI98131 is supplied with HI73127 pH electrode, HI73128 electrode removal tool, batteries (4), instructions and quality certificate.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThis meter is warranted for a period of one year against defects in workmanship and materials when used for their intended purpose and maintained according to instructions. The electrode is warranted for a period of six months.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":40894892736599,"sku":"HI98131","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/groline-ph-ec-tds-tester-angle-hi98131__85873.1567002860.220.290.jpg?v=1715035477"},{"product_id":"groline-hi981030-soil-ph-tester","title":"Hanna GroLine HI981030 Soil pH Tester - Direct Soil Testing Meter","description":"\u003ch2\u003eHanna GroLine HI981030 Soil pH Tester - Direct Soil pH Measurement for Agriculture \u0026amp; Gardening\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHanna GroLine HI981030 Soil pH Tester\u003c\/strong\u003e brings simplicity and precision to soil pH testing for environmental and agricultural applications. Designed specifically for taking direct pH measurements in soil and soil slurries, this pocket-sized tester features a specialized built-in probe with an open reference junction, conical glass tip, and removable sleeve design—making it the ideal tool for spot-checking soil pH in gardens, farms, greenhouses, and research environments.\u003c\/p\u003e\n\n\u003ch3\u003eComplete Kit - Ready to Test\u003c\/h3\u003e\n\u003cp\u003eYour HI981030 arrives equipped with everything needed for successful testing right out of the box: tester with built-in probe, pH 4.01 and 7.01 buffer sachets, cleaning solutions for soil and humus deposits, storage solution, electrode fill solution, and CR2032 battery. Start measuring soil pH immediately upon arrival.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Soil Testing:\u003c\/strong\u003e Specialized probe designed for penetrating soil and soil slurries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Accuracy:\u003c\/strong\u003e ±0.05 pH accuracy for reliable soil analysis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePocket-Sized Portability:\u003c\/strong\u003e Compact design ideal for on-the-go field testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Battery Life:\u003c\/strong\u003e Up to 1000 hours continuous use on CR2032 Li-ion battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Operation:\u003c\/strong\u003e Single-button operation with large LCD display\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Includes all necessary solutions and batteries to start testing immediately\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecialized Soil Testing Probe\u003c\/h3\u003e\n\u003cp\u003eThe HI981030 features a carefully engineered built-in probe designed specifically for direct soil pH measurements in environmental and agricultural testing applications.\u003c\/p\u003e\n\n\u003ch4\u003eConical Glass Tip\u003c\/h4\u003e\n\u003cp\u003eThe conical-shaped tip design allows for easy penetration into soil and soil slurries, enabling direct measurements without the need for sample preparation or dilution.\u003c\/p\u003e\n\n\u003ch4\u003eUnique Open Junction with Removable Sleeve\u003c\/h4\u003e\n\u003cp\u003eWhen readings become slow, simply remove the sleeve for quick cleaning and fresh electrolyte replacement. A clean probe with fresh reference electrolyte improves performance and extends the life of the tester significantly.\u003c\/p\u003e\n\n\u003ch4\u003ePVDF Body Construction\u003c\/h4\u003e\n\u003cp\u003eThe probe body is constructed from polyvinylidene fluoride (PVDF), a durable plastic resistant to most chemicals and solvents used for disinfection, including chlorine (bleach). This ensures long-term durability in demanding agricultural environments.\u003c\/p\u003e\n\n\u003ch3\u003eProfessional Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStability Indicator:\u003c\/strong\u003e Onscreen indicator ensures the highest level of confidence in your results\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Calibration:\u003c\/strong\u003e One or two-point calibration with automatic buffer recognition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Compensation:\u003c\/strong\u003e 0 to 50°C range for accurate readings in varying conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Auto-Off:\u003c\/strong\u003e 8 minutes, 60 minutes, or disabled to prolong battery life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Level Indicator:\u003c\/strong\u003e Blinking icon alerts you when it's time to change the battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge LCD Display:\u003c\/strong\u003e At-a-glance readings from any angle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComplete Solutions Package\u003c\/h3\u003e\n\n\u003ch4\u003eCleaning Solution for Soil and Humus Deposits\u003c\/h4\u003e\n\u003cp\u003eYour tester includes specialized cleaning solution engineered to keep your electrode free from organic materials found in soil. This concentrated combination of detergents cleans quickly and effectively, keeping your tester in optimum condition.\u003c\/p\u003e\n\n\u003ch4\u003epH 4 \u0026amp; 7 Buffer Sachets\u003c\/h4\u003e\n\u003cp\u003eCorrect calibration buffers are critical for accurate pH measurements. We include starter buffers to get you going. The single-use sachets are individually sealed so you use fresh buffer each time you calibrate.\u003c\/p\u003e\n\n\u003ch4\u003eStorage Solution\u003c\/h4\u003e\n\u003cp\u003eProper electrode storage ensures reliable measurements and long electrode life. Our storage solution is specially formulated to keep the pH glass hydrated while minimizing organic growth.\u003c\/p\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAgricultural soil testing and fertility management\u003c\/li\u003e\n\u003cli\u003eGarden and lawn pH monitoring\u003c\/li\u003e\n\u003cli\u003eGreenhouse and nursery soil analysis\u003c\/li\u003e\n\u003cli\u003eEnvironmental soil testing and remediation\u003c\/li\u003e\n\u003cli\u003eCompost pH monitoring\u003c\/li\u003e\n\u003cli\u003eResearch and educational applications\u003c\/li\u003e\n\u003cli\u003eTurf management and sports field maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI981030\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 12.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Accuracy (@25°C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.05 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, one or two-point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, 0 to 50°C (32 to 122°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic Shut-Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelectable: 8 min, 60 min, or disabled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCR2032 Li-ion (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 1000 hours continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50°C (32 to 122°F); RH 95% max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e51 x 151 x 21 mm (2.0 x 5.9 x 0.9\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e46 g (1.62 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHI981030 GroLine Soil pH Tester with built-in probe\u003c\/li\u003e\n\u003cli\u003epH 4.01 buffer solution liquid sachets (2)\u003c\/li\u003e\n\u003cli\u003epH 7.01 buffer solution liquid sachets (2)\u003c\/li\u003e\n\u003cli\u003eCleaning solution for soil deposits\u003c\/li\u003e\n\u003cli\u003eCleaning solution for humus deposits\u003c\/li\u003e\n\u003cli\u003eElectrode storage solution\u003c\/li\u003e\n\u003cli\u003eElectrode fill solution\u003c\/li\u003e\n\u003cli\u003e13 mL dropper\u003c\/li\u003e\n\u003cli\u003eCR2032 Li-ion battery\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003cli\u003eQuality certificate\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the GroLine HI981030?\u003c\/h3\u003e\n\u003cp\u003eEngineered by Hanna Instruments specifically for soil testing applications, the HI981030 delivers professional-grade accuracy in a portable, easy-to-use package. The specialized conical tip and removable sleeve design make it ideal for direct soil measurements without sample preparation. Perfect for farmers, gardeners, agronomists, environmental scientists, and anyone who needs reliable soil pH data in the field.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Hanna Instruments (GroLine Series)\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Romania\u003cbr\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 080009810305\u003cbr\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e HI981030\u003c\/p\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":40894930616407,"sku":"HI981030","price":154.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/groline-soil-ph-tester-hi981030.webp?v=1750427160"},{"product_id":"halo2-hi9810302-wireless-soil-ph-tester","title":"Hanna HALO2 HI9810302 Wireless Soil pH Tester - Bluetooth Soil Testing with App","description":"\u003cdiv id=\"hs_cos_wrapper_product_details\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"module\"\u003e\n\u003csection id=\"product-details\" class=\"grid-container product-details\" data-product-details=\"\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-product-description=\"\"\u003e\n\u003cdiv id=\"hs_cos_wrapper_product_details_\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-field=\"product_description\"\u003e\n\u003cdiv data-canvas-width=\"402.5088822857142\"\u003eThe HALO2 GroLine Wireless pH Tester (HI9810302) is designed to bring simplicity to pH testing of soil for environmental and agricultural purposes.\u003c\/div\u003e\n\u003cdiv data-canvas-width=\"402.5088822857142\"\u003e\n\u003cul\u003e\n\u003cli\u003eOpen-source Bluetooth allows easy integration into current data logging systems\u003c\/li\u003e\n\u003cli\u003eIP65 water resistant protection\u003c\/li\u003e\n\u003cli\u003eSpecialized electrode for spot checking the pH of soil and soil slurries\u003c\/li\u003e\n\u003cli\u003eEquipped with everything you need for successful testing right out of the box\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\u003cem\u003eGroLine is specially designed for testing a wide array of growth mediums including: coco fiber, organic soil, rock wool, clay balls, recycled plastic balls, bog, hydroponic systems and more!\u003c\/em\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"hs_cos_wrapper_widget_1563453768118\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"module\"\u003e\n\u003csection class=\"banner--product-col2-details grid-container\"\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y align-right\"\u003e\n\u003cdiv class=\"cell small-12  border-after--blue-wide\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/halo-hanna-lab-ipad-iphone.jpg?width=400\u0026amp;name=halo-hanna-lab-ipad-iphone.jpg\" alt=\"Hanna Instruments - Halo pH Probe with Bluetooth Smart Technology\" width=\"400\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/halo-hanna-lab-ipad-iphone.jpg?width=200\u0026amp;name=halo-hanna-lab-ipad-iphone.jpg 200w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/halo-hanna-lab-ipad-iphone.jpg?width=400\u0026amp;name=halo-hanna-lab-ipad-iphone.jpg 400w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/halo-hanna-lab-ipad-iphone.jpg?width=600\u0026amp;name=halo-hanna-lab-ipad-iphone.jpg 600w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/halo-hanna-lab-ipad-iphone.jpg?width=800\u0026amp;name=halo-hanna-lab-ipad-iphone.jpg 800w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/halo-hanna-lab-ipad-iphone.jpg?width=1000\u0026amp;name=halo-hanna-lab-ipad-iphone.jpg 1000w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/halo-hanna-lab-ipad-iphone.jpg?width=1200\u0026amp;name=halo-hanna-lab-ipad-iphone.jpg 1200w\" sizes=\"(max-width: 400px) 100vw, 400px\" data-mce-src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/halo-hanna-lab-ipad-iphone.jpg?width=400\u0026amp;name=halo-hanna-lab-ipad-iphone.jpg\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv data-details=\"\" class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eUniversal Connectivity\u003c\/h4\u003e\n\u003cp\u003eThe open-source Bluetooth® protocol allows easy integration with the Hanna Lab App and current Laboratory Information Management System (LIMS). The HALO2 GroLine Wireless pH Tester (HI9810302) is GLP compliant.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eIP65 Water Resistant Protection\u003c\/h4\u003e\n\u003cp\u003eThe housing of the HALO2 GroLine Soil pH Tester is rated IP65 meaning it has a high level of protection against particles and dust, and protection against the ingress of water from jets. This makes it ideal for outdoor use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003ePocket-Sized\u003c\/h4\u003e\n\u003cp\u003eThe compact size makes the Soil pH Tester ideal for on-the-go testing. A large LCD display provides at-a-glance readings from any angle and single button operation streamlines the testing process for any user.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12  border-after--blue-wide\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto small-order-1 large-order-2\"\u003e\n\u003cdiv\u003e\u003cimg height=\"574\" src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg?width=700\u0026amp;name=HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg\" alt=\"HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off\" width=\"574\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg?width=350\u0026amp;name=HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg 350w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg?width=700\u0026amp;name=HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg 700w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg?width=1050\u0026amp;name=HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg 1050w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg?width=1400\u0026amp;name=HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg 1400w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg?width=1750\u0026amp;name=HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg 1750w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg?width=2100\u0026amp;name=HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg 2100w\" sizes=\"(max-width: 700px) 100vw, 700px\" data-mce-src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg?width=700\u0026amp;name=HI9810302_HALO2_Soil-pH-Tester_Tip-Sleeve-Off.jpg\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv data-details=\"\" class=\"cell small-12 large-auto small-order-2 large-order-1\"\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eUnique Open Junction with Removable Sleeve\u003c\/h4\u003e\n\u003cp\u003eWhen the readings become slow, simply remove the sleeve for quick cleaning and a new reference electrolyte. This will improve performance and extend the life of the tester.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003ePVDF Body\u003c\/h4\u003e\n\u003cp\u003ePolyvinylidene fluoride (PVDF) is a durable plastic that is resistant to most chemicals and solvents used for disinfection, including chlorine (bleach).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eConical Glass Tip\u003c\/h4\u003e\n\u003cp\u003eThe conical-shaped tip design allows for penetration into soil and soil slurries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y align-right\"\u003e\n\u003cdiv class=\"cell small-12\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg?width=700\u0026amp;name=Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg\" alt=\"Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet\" width=\"700\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg?width=350\u0026amp;name=Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg 350w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg?width=700\u0026amp;name=Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg 700w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg?width=1050\u0026amp;name=Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg 1050w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg?width=1400\u0026amp;name=Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg 1400w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg?width=1750\u0026amp;name=Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg 1750w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg?width=2100\u0026amp;name=Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg 2100w\" sizes=\"(max-width: 700px) 100vw, 700px\" data-mce-src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/product\/HI9810302\/Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg?width=700\u0026amp;name=Web0HI9810302_HALO2_Soil-pH-Tester_CleaningSachet.jpg\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv data-details=\"\" class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eCleaning Solution for Soil and Humus Deposits\u003c\/h4\u003e\n\u003cp\u003eYour HALO2 GroLine Soil pH Tester comes with cleaning solution that is engineered to keep your electrode free from organic materials found in soil. This concentrated combination of detergents cleans your tester quickly and effectively so that your tester stays in optimum condition.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eEasy Calibration\u003c\/h4\u003e\n\u003cp\u003eHALO2 can be placed right into our calibration buffer sachets for easy calibration. Using a Hanna calibration sachet ensures your buffer is always fresh.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eStorage Solution\u003c\/h4\u003e\n\u003cp\u003eProper storage of your electrode will ensure reliable measurements and a long electrode life. Our storage solution is specially formulated to keep the pH glass hydrated while minimizing organic growth. The HALO2 GroLine Soil Wireless pH Tester is designed to bring simplicity to pH testing of soil for environmental and agricultural purposes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Name\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSku\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI9810302\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 12.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 or 0.1 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.05 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003emV Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH\/mV conversion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003emV Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 or 1 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0 to 60.0 °C (32.0 to 140.0 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 °C; 0.1 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5 °C; ±0.9 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to three points or four points *Automatic buffer recognition with Standard buffers Hanna (pH 1.68 *, 4.01, 7.01, 10.01) or NIST (pH 1.68 *, 4.01, 6.86, 9.18)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic (ATC) or Manual (MTC) *\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBody material - Polyvinylidene Fluoride (PVDF) Glass - Low Temperature (LT) Junction - Open Reference cell - Double, Ag\/AgCl Electrolyte - Gel (refillable) Tip \/ Shape - Conic, Ø 5 x 10 mm (Ø 0.19 x 0.39”) Outer diameter - 12 mm (0.47“) Length - 75 mm (2.95”)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3V Lithium – CR2032\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 1000 hours (500 hours with Bluetooth enabled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50 °C (32 to 122 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCasing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP65 ingress protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e51 x 150 x 21 mm (2.0 x 5.9 x 0.8”)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45 g (1.6 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupplied with\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH 4.01 buffer solution, 20 mL sachet (2 pcs.), pH 7.01 buffer solution, 20 mL sachet (2 pcs.), Cleaning solution for soil deposits, 20 mL sachet (1 pc.), Cleaning solution for humus deposits, 20 mL sachet (1 pc.), Electrode storage solution, 13 mL dropper bottle (1 pc.), Gelled bridge electrolyte, 13 mL dropper bottle (1 pc.), 3V Lithium battery – CR2032, \u0026amp; Instrument quality certificate and Instruction manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e* Available with Hanna Lab App ** Measuring outside the recommended operating temperature range may damage the gel electrolyte and void product warranty. Note: The tester can display measurements from –2.00 to 16.00 pH. Measurements outside of the pH range will flash. In this case assess the integrity of the tester and the type of measured sample.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":40894947557463,"sku":"HI9810302","price":164.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/soil-halo2-hi9810302__57605.jpg?v=1715037737"},{"product_id":"groline-hi981420-hydroponic-ph-ec-tds-monitor","title":"Hanna GroLine HI981420-01 Hydroponic Nutrient Monitor - pH EC TDS Meter","description":"\u003ch2\u003eGroLine HI981420-01 Hydroponic Nutrient Monitor - Professional pH, EC \u0026amp; TDS Monitoring\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHanna GroLine HI981420-01 Monitor\u003c\/strong\u003e delivers around-the-clock, continuous monitoring of pH, conductivity (EC \u0026amp; TDS), and temperature in hydroponic nutrient solutions. Engineered for hydroponics, aquaponics, and greenhouse operations, this professional-grade monitor ensures consistent yields through precise nutrient management.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e24\/7 Continuous Monitoring:\u003c\/strong\u003e Real-time pH, EC \u0026amp; TDS measurements for consistent yields every harvest\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional GLP Accuracy:\u003c\/strong\u003e Good Laboratory Practice (GLP) feature ensures lab-grade precision\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Cal System:\u003c\/strong\u003e Single-solution calibration for both pH and EC saves time and reduces errors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30-Day Data Logging:\u003c\/strong\u003e Automatic logging every 15 minutes with min\/max\/average tracking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh\/Low Alarms:\u003c\/strong\u003e Instant visual warnings when parameters drift out of range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide pH Range:\u003c\/strong\u003e 0.00 to 14.00 pH with ±0.05 pH accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Range:\u003c\/strong\u003e 0.00 to 10.00 mS\/cm with ±0.1 mS\/cm accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTDS Range:\u003c\/strong\u003e 0-5000 ppm (0.5 CF) or 0-7000 ppm (0.7 CF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-in-1 Probe:\u003c\/strong\u003e pH electrode, amperometric EC\/TDS sensor, and temperature sensor in rugged polypropylene body\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP65 Rated:\u003c\/strong\u003e Designed for harsh grow room environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB-C Connectivity:\u003c\/strong\u003e Easy data transfer to PC or memory stick\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Compensation:\u003c\/strong\u003e All readings compensated for temperature variations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the GroLine HI981420-01?\u003c\/h3\u003e\n\u003cp\u003eDeveloped by growers and scientists, the GroLine Monitor combines professional laboratory accuracy with practical hydroponic functionality. The large LCD with plant-friendly green backlighting displays all three measurements simultaneously, while the ambient light sensor automatically dims the display to conserve energy.\u003c\/p\u003e\n\n\u003cp\u003ePerfect for commercial operations, research facilities, and serious hobbyists who demand precision nutrient management and consistent crop quality.\u003c\/p\u003e\n\n\u003ch3\u003eComplete Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI981420-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 14.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Accuracy (@25°C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.05 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 10.00 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Accuracy (@25°C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.1 mS\/cm (0-5 mS\/cm); ±0.2 mS\/cm (5-10 mS\/cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0-5000 ppm (0.5 CF); 0-7000 ppm (0.7 CF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Accuracy (@25°C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0 to 60.0°C \/ 32.0 to 140.0°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C \/ 0.1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5°C \/ ±1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH: 1 or 2-point (4.01, 7.01, 10.01) or Quick Cal; EC: 1-point (1.41 or 5.00 mS\/cm) or Quick Cal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Logging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic 15-minute intervals for 30 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarms\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh\/Low with enable\/disable for all parameters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGLP\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLast 5 pH and EC calibration history\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12VDC adapter (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-5 to 50°C (23 to 122°F); RH max 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e125 x 185 x 38 mm (4.92 x 7.28 x 1.49\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e333g (11.7 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eHI981420-01 includes: HI1285-8 multiparameter probe, HI50036-0 Quick Cal buffer solution sachets (2), HI700661P electrode cleaning solution sachets for agriculture (2), 12VDC adapter, instruction manual, Monitor Quality Certificate, and Probe Quality Certificate.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Hanna Instruments (GroLine Series)\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Romania\u003cbr\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 606795356164\u003c\/p\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":40894965940311,"sku":"HI981420-01","price":459.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/groline-hydroponic-nutrients-monitor-ph-ec-tds-full-view--hi981420__33017.jpg?v=1745935346"},{"product_id":"hanna-instruments-groline-nutrient-tester-hi98330","title":"Groline Nutrient Tester - HI98330","description":"\u003cdiv data-hs-cos-type=\"module\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" id=\"hs_cos_wrapper_product_details\"\u003e\n\u003csection data-product-details=\"\" class=\"grid-container product-details\" id=\"product-details\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-product-description=\"\"\u003e\n\u003cdiv data-hs-cos-field=\"product_description\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" id=\"hs_cos_wrapper_product_details_\"\u003e\n\u003cp\u003eThe HI98330 nutrient tester is designed to measure the conductivity of the nutrient solutions used in agriculture and hydroponic applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures at-a-glance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIP67 waterproof and floating design\u003c\/li\u003e\n\u003cli\u003eNo user calibration needed\u003c\/li\u003e\n\u003cli\u003eAuto-on when placed in nutrient water\u003c\/li\u003e\n\u003cli\u003eAuto-off 30 seconds after stable measurement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv data-hs-cos-type=\"module\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" id=\"hs_cos_wrapper_widget_1563214729895\"\u003e\n\u003csection class=\"banner--product-col2-details grid-container\"\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y align-right\"\u003e\n\u003cdiv class=\"cell small-12  border-after--blue-wide\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell small-12 large-auto\" data-details=\"\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\" data-detail-item=\"\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eAccurately Measure Electrical Conductivity\u003c\/h4\u003e\n\u003cp\u003eIdeal for hydroponics and agriculture applications, the HI98330 GroLine\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eNutrient Tester accurately measures the electrical conductivity (EC) in mS\/cm and the total dissolved solids (TDS) conversion in parts per million (ppm) of the nutrients in water.\u003c\/p\u003e\n\u003ch4\u003eExtended Range\u003c\/h4\u003e\n\u003cp\u003eSuitable for plants that need a higher EC, the tester features an extended range up to 6.0 mS\/cm (EC), 3000 ppm (500 ppm scale), and 4200 ppm (700 ppm scale).\u003c\/p\u003e\n\u003ch4\u003eIP67 Waterproof Rating\u003c\/h4\u003e\n\u003cp\u003eThe IP67 waterproof rated and floating casing houses the EC graphite electrodes and temperature sensor, and is suitable for stirring and testing simultaneously.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto small-order-1 large-order-2\"\u003e\n\u003cdiv\u003e\u003cimg sizes=\"(max-width: 720px) 100vw, 720px\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/HI98330-Tip-Cap-Off_720x720.jpg?width=360\u0026amp;height=360\u0026amp;name=HI98330-Tip-Cap-Off_720x720.jpg 360w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/HI98330-Tip-Cap-Off_720x720.jpg?width=720\u0026amp;height=720\u0026amp;name=HI98330-Tip-Cap-Off_720x720.jpg 720w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/HI98330-Tip-Cap-Off_720x720.jpg?width=1080\u0026amp;height=1080\u0026amp;name=HI98330-Tip-Cap-Off_720x720.jpg 1080w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/HI98330-Tip-Cap-Off_720x720.jpg?width=1440\u0026amp;height=1440\u0026amp;name=HI98330-Tip-Cap-Off_720x720.jpg 1440w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/HI98330-Tip-Cap-Off_720x720.jpg?width=1800\u0026amp;height=1800\u0026amp;name=HI98330-Tip-Cap-Off_720x720.jpg 1800w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/HI98330-Tip-Cap-Off_720x720.jpg?width=2160\u0026amp;height=2160\u0026amp;name=HI98330-Tip-Cap-Off_720x720.jpg 2160w\" height=\"720\" width=\"720\" alt=\"HI98330-Tip-Cap-Off_720x720\" src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/HI98330-Tip-Cap-Off_720x720.jpg?width=720\u0026amp;height=720\u0026amp;name=HI98330-Tip-Cap-Off_720x720.jpg\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cell small-12 large-auto small-order-2 large-order-1\" data-details=\"\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\" data-detail-item=\"\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eAdditional Features and Benefits:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRugged and doubles as a stirring stick\u003c\/li\u003e\n\u003cli\u003eLow battery warning\u003c\/li\u003e\n\u003cli\u003eReadings displayed by 24 brightly lit LED lights\u003c\/li\u003e\n\u003cli\u003eConductivity scales and operational instructions printed on the tester body\u003c\/li\u003e\n\u003cli\u003eEasy to clean (detachable crown-shaped cap)\u003c\/li\u003e\n\u003cli\u003e6-year warranty\u003c\/li\u003e\n\u003cli\u003eWide EC range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv data-hs-cos-type=\"module\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" id=\"hs_cos_wrapper_widget_1710864841866\"\u003e\u003c\/div\u003e\n\u003cdiv data-hs-cos-type=\"module\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\"\u003e\u003cspan data-hs-cos-type=\"linked_image\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_linked_image\" id=\"hs_cos_wrapper_widget_1710864841866_\"\u003e\u003cimg height=\"402\" width=\"1239\" loading=\"lazy\" title=\"HI98330-Nutrient-Tester-Banner-2-1920x623\" alt=\"HI98330-Nutrient-Tester-Banner-2-1920x623\" class=\"hs-image-widget\" src=\"https:\/\/www.hannainst.com\/hubfs\/0001-marketing-assets\/GroLine\/Photos\/Web\/HI98330-Nutrient-Tester-Banner-2-1920x623.jpg\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-hs-cos-type=\"module\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Name\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI98330\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.2 to 6.0 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 mS\/cm (0.2 to 4.0 mS\/cm); 0.25 mS\/cm (4.0 to 6.0 mS\/cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 mS\/cm (0.2 to 4.0 mS\/cm); 0.25 mS\/cm (4.0 to 6.0 mS\/cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 to 3000 ppm (500 ppm scale)\u003cbr\u003e140 to 4200 ppm (700 ppm scale)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 ppm (100 to 2000 ppm)\u003cbr\u003e125 ppm (2000 to 3000 ppm)\u003cbr\u003e70 ppm (140 to 2800 ppm)\u003cbr\u003e175 ppm (2800 to 4200 ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±4 % of reading ±1 resolution point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC\/TDS Probe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGraphite sensors in ABC + PC body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic Shut-Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAuto-off 30 seconds after stable measurement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type \/ Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3× 1.5V AA alkaline \/ Approx. 3 years (10 measurements\/day)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50 °C (32.0 to 122.0 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e444 mm (17.48”)\u003cbr\u003eØ 30 mm (1.18”)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e265 g (9.3 oz.) w\/ batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrdering Information\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI98330 is supplied with quick reference guide with instrument quality certificate.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":40894998249559,"sku":"HI98330","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI98330_Nutrient-Tester_Upright_2-1200x1200-32e23742-a507-4fa9-b17f-257490a8f1b3__46758.jpg?v=1715039902"},{"product_id":"hi50036p-groline-quick-cal-solution","title":"Hanna HI50036P Groline Quick Cal Solution - pH \u0026 EC\/TDS Calibration (25 x 20mL)","description":"\u003ch2\u003eHanna HI50036P Groline Quick Cal Solution - Professional pH \u0026amp; EC\/TDS Calibration\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHanna HI50036P Groline Quick Calibration Solution\u003c\/strong\u003e is a professional-grade, dual-purpose calibration standard designed for fast, accurate single-point calibration of Groline pH and EC\/TDS meters. Each box contains \u003cstrong\u003e25 individually sealed 20mL sachets\u003c\/strong\u003e that deliver fresh, uncontaminated calibration solution every time, ensuring optimal meter accuracy for hydroponics, aquariums, water quality testing, and laboratory applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Cal Function:\u003c\/strong\u003e Single-point calibration for both pH and conductivity sensors simultaneously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Purpose Formula:\u003c\/strong\u003e Calibrates pH and EC\/TDS meters with one convenient solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25 Individual Sachets:\u003c\/strong\u003e Pre-measured 20mL single-use sachets ensure fresh solution every calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight-Blocking Packaging:\u003c\/strong\u003e UV-resistant sachets protect solution integrity and extend shelf life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLot Number \u0026amp; Expiration Date:\u003c\/strong\u003e Full traceability stamped on each sachet for quality assurance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero Contamination:\u003c\/strong\u003e Single-use design eliminates cross-contamination between calibrations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable \u0026amp; Field-Ready:\u003c\/strong\u003e Perfect for on-site calibration and mobile testing applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroline Optimized:\u003c\/strong\u003e Formulated specifically for Hanna's Groline meter lineup\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Quick Cal Single-Point Calibration?\u003c\/h3\u003e\n\u003cp\u003eTraditional pH and EC calibration requires multiple buffer solutions and separate calibration procedures for each parameter. The HI50036P Quick Cal solution revolutionizes this process by enabling simultaneous single-point calibration of both pH and conductivity sensors in one fast, simple procedure. This saves time, reduces complexity, and ensures your Groline meters are ready for accurate measurements in minutes.\u003c\/p\u003e\n\n\u003ch3\u003eSingle-Use Sachet Advantages\u003c\/h3\u003e\n\n\u003ch4\u003eAlways Fresh, Never Contaminated\u003c\/h4\u003e\n\u003cp\u003eUnlike bottled calibration solutions that can become contaminated after opening or degrade over time, each HI50036P sachet provides a fresh, pristine calibration standard. Once you tear open a sachet, you're guaranteed uncontaminated solution that hasn't been exposed to air, light, or previous samples. After calibration, simply discard the used solution—no storage concerns, no degradation worries.\u003c\/p\u003e\n\n\u003ch4\u003eLight-Blocking Protection\u003c\/h4\u003e\n\u003cp\u003eUV light can degrade calibration solutions over time, affecting their accuracy. The HI50036P sachets feature light-blocking packaging that shields the solution from harmful UV rays, preserving the calibration standard's integrity from manufacturing through your calibration procedure. This ensures consistent accuracy across the entire shelf life of the product.\u003c\/p\u003e\n\n\u003ch4\u003eFull Traceability\u003c\/h4\u003e\n\u003cp\u003eEvery sachet is stamped with a lot number and expiration date, providing complete traceability for quality control and regulatory compliance. This is essential for laboratory environments, commercial operations, and any application requiring documented calibration procedures.\u003c\/p\u003e\n\n\u003ch4\u003ePre-Measured Convenience\u003c\/h4\u003e\n\u003cp\u003eEach 20mL sachet contains the exact volume needed for calibration—no measuring, no waste, no guesswork. The pre-measured format ensures you use the correct amount of solution every time while eliminating the risk of over-pouring or running out mid-calibration.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI50036P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 sachets per box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVolume per Sachet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500 mL (25 x 20 mL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCalibration Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuick Cal (single-point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH and EC\/TDS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackaging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLight-blocking sachets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTraceability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLot number and expiration date on each sachet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUsage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle-use (discard after calibration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 lb (454 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBarcode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e800005000366\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRomania\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHanna Instruments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatible Groline Meters\u003c\/h3\u003e\n\u003cp\u003eThe HI50036P Quick Cal solution is designed for use with all Hanna Groline meters featuring the Quick Cal function, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGroline pH meters with Quick Cal capability\u003c\/li\u003e\n\u003cli\u003eGroline EC\/TDS meters with Quick Cal capability\u003c\/li\u003e\n\u003cli\u003eGroline combination pH\/EC\/TDS meters (e.g., HI9814, HI98129, HI98130)\u003c\/li\u003e\n\u003cli\u003eGroline portable and benchtop meters with Quick Cal support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Check your meter's user manual to confirm Quick Cal compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroponics:\u003c\/strong\u003e Calibrate nutrient solution pH and EC meters for optimal plant nutrition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquariums \u0026amp; Aquaculture:\u003c\/strong\u003e Maintain accurate water quality monitoring equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreenhouses:\u003c\/strong\u003e Ensure precise irrigation and fertigation system measurements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePools \u0026amp; Spas:\u003c\/strong\u003e Calibrate water chemistry testing equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaboratories:\u003c\/strong\u003e Quality control and routine meter calibration with full traceability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Testing:\u003c\/strong\u003e Field calibration for water quality monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgriculture:\u003c\/strong\u003e Soil solution and irrigation water testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFood \u0026amp; Beverage:\u003c\/strong\u003e Process water and product quality control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEducation:\u003c\/strong\u003e Science labs and research facilities\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCalibration Procedure\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare:\u003c\/strong\u003e Rinse your Groline meter's sensor with distilled or deionized water and gently blot dry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen Sachet:\u003c\/strong\u003e Tear open one fresh HI50036P sachet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePour Solution:\u003c\/strong\u003e Pour the entire contents into a clean calibration container or beaker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActivate Quick Cal:\u003c\/strong\u003e Turn on your Groline meter and activate the Quick Cal function (refer to meter manual)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmerse Sensor:\u003c\/strong\u003e Submerge the sensor in the calibration solution, ensuring all sensing elements are covered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWait for Confirmation:\u003c\/strong\u003e Follow your meter's prompts until calibration is complete (typically 30-60 seconds)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRinse \u0026amp; Store:\u003c\/strong\u003e Rinse the sensor with distilled water and store according to manufacturer recommendations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiscard Solution:\u003c\/strong\u003e Dispose of used calibration solution—never reuse\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eCalibration Best Practices\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrate Regularly:\u003c\/strong\u003e Calibrate before each use or at minimum weekly for critical applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse Fresh Solution:\u003c\/strong\u003e Always use a new sachet—never reuse calibration solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Expiration Date:\u003c\/strong\u003e Verify the expiration date on each sachet before use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Container:\u003c\/strong\u003e Use a clean, uncontaminated calibration container for each calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRinse Sensor:\u003c\/strong\u003e Always rinse the sensor with distilled water before and after calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Stability:\u003c\/strong\u003e Allow solution and sensor to equilibrate to the same temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument Calibration:\u003c\/strong\u003e Record lot number, date, and calibration results for quality assurance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eStorage \u0026amp; Handling\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStore sachets in a cool, dry place away from direct sunlight\u003c\/li\u003e\n\u003cli\u003eKeep sachets sealed until ready to use\u003c\/li\u003e\n\u003cli\u003eAvoid exposure to extreme temperatures\u003c\/li\u003e\n\u003cli\u003eDo not freeze\u003c\/li\u003e\n\u003cli\u003eCheck expiration date before use\u003c\/li\u003e\n\u003cli\u003eStore in original packaging for maximum shelf life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose HI50036P?\u003c\/h3\u003e\n\u003cp\u003eThe HI50036P Quick Cal solution represents the perfect balance of convenience, accuracy, and reliability for Groline meter users. The dual-purpose formula eliminates the need for separate pH and EC calibration solutions, while the single-use sachet format ensures fresh, uncontaminated calibration every time. Whether you're managing a commercial hydroponic operation, maintaining aquarium water quality, or conducting laboratory water analysis, the HI50036P delivers professional-grade calibration in a portable, field-ready format.\u003c\/p\u003e\n\n\u003cp\u003eWith 25 sachets per box, you have enough calibration solution for regular maintenance over several months, and the light-blocking packaging ensures each sachet remains accurate until you're ready to use it. The lot number and expiration date stamped on every sachet provide the traceability required for quality control and regulatory compliance.\u003c\/p\u003e\n\n\u003ch3\u003eCost-Effective Calibration\u003c\/h3\u003e\n\u003cp\u003eWhile single-use sachets might seem more expensive than bottled solutions, they actually provide better value by eliminating waste from contaminated or degraded solutions. Each sachet delivers exactly the amount needed for one calibration, and you never have to discard a partially used bottle that's past its expiration date or has become contaminated.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e25 individually sealed 20mL sachets of HI50036P Quick Cal solution\u003c\/li\u003e\n\u003cli\u003eEach sachet stamped with lot number and expiration date\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Hanna Instruments (Groline Series)\u003cbr\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e HI50036P\u003cbr\u003e\n\u003cstrong\u003eBarcode:\u003c\/strong\u003e 800005000366\u003cbr\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Romania\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eFor best results, use with genuine Hanna Groline meters. Calibrate regularly according to your meter's user manual and your application requirements.\u003c\/em\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":40895131353175,"sku":"HI50036P","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/quick-calibration-solution-for-groline-ph-and-ec-meters-25-sachets-of-20-ml-hi50036p__08204.1559321299.1280.1280__88141.1568914168.220.290.jpg?v=1715046373"},{"product_id":"quick-calibration-solution-for-groline-ph-and-ec-meters-500-ml-hi5036-050","title":"Quick Calibration Solution for GroLine pH and EC Meters (500 ml) - HI5036-050","description":"\u003cdiv data-hs-cos-type=\"module\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" id=\"hs_cos_wrapper_product_details\"\u003e\n\u003csection data-product-details=\"\" class=\"grid-container product-details\" id=\"product-details\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-product-description=\"\"\u003e\n\u003cdiv data-hs-cos-field=\"product_description\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" id=\"hs_cos_wrapper_product_details_\"\u003e\n\u003cp\u003eHI5036-050 is a quick calibration solution for use with Hanna's GroLine pH and\/or EC\/TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH and\/or conductivity sensors. Each bottle has the lot number and expiration date. Hanna's line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle. The HI5036-050 is for 500 mL of calibration solution.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHermetically sealed to maintain freshness\u003c\/li\u003e\n\u003cli\u003eTwo calibration solutions for the price of one\u003c\/li\u003e\n\u003cli\u003eExpiration date on label\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv data-hs-cos-type=\"module\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" id=\"hs_cos_wrapper_widget_12053141797\"\u003e\n\u003csection class=\"banner--product-rich-text\"\u003e\n\u003cdiv class=\"grid-container\"\u003e\n\u003cdiv class=\"align-center\"\u003e\n\u003cdiv class=\"cell small-12 large-10\"\u003e\n\u003cdiv data-hs-cos-field=\"content\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" id=\"hs_cos_wrapper_widget_12053141797_\"\u003e\n\u003cp\u003eHI5036-050 is a quality quick calibration solution produced in accordance with ISO 3696\/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers.\u003c\/p\u003e\n\u003ch4\u003eQuick Calibration Solution\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCalibration solution for Gro line pH and EC\/TDS meters\u003c\/li\u003e\n\u003cli\u003epH calibration buffer value of pH 6.86\u003c\/li\u003e\n\u003cli\u003eEC calibration standard value of 5,000 μS\/cm (5.00 mS\/cm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAir tight bottle with tamper-proof seal\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEnsures quality and freshness of solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEach bottle marked with lot number and expiration date\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":40896996376663,"sku":"HI5036-050","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI5036-050-1__31787.1709673226.220.290.jpg?v=1715100600"},{"product_id":"groline-general-purpose-cleaning-solution-500-ml-hi7061-050","title":"GroLine General Purpose Cleaning Solution (500 mL) - HI7061-050","description":"\u003cdiv id=\"hs_cos_wrapper_product_details\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"module\"\u003e\n\u003csection id=\"product-details\" class=\"grid-container product-details\" data-product-details=\"\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-product-description=\"\"\u003e\n\u003cdiv id=\"hs_cos_wrapper_product_details_\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-field=\"product_description\"\u003e\n\u003cp\u003eHI7061-050 is the GroLine general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce inaccurate results even as they read correctly in a pH buffer. Hanna's cleaning solutions eliminate impurities and residues that are left on electrode surfaces when immersed in samples during measurement or when stored incorrectly. Hanna suggests cleaning the bulb and junction of your electrode on a regular basis to ensure that the probe is always clean and to prevent any clogging of the junction. The HI7061-050 is for 500 mL of general purpose cleaning solution.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpecially formulated for cleaning electrodes\u003c\/li\u003e\n\u003cli\u003eAir tight seal to ensure quality\u003c\/li\u003e\n\u003cli\u003eExpiration date and lot number\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"hs_cos_wrapper_widget_12054562854\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"module\"\u003e\n\u003csection class=\"banner--product-rich-text\"\u003e\n\u003cdiv class=\"grid-container\"\u003e\n\u003cdiv class=\"align-center\"\u003e\n\u003cdiv class=\"cell small-12 large-10\"\u003e\n\u003cdiv id=\"hs_cos_wrapper_widget_12054562854_\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-field=\"content\"\u003e\n\u003cp\u003eThe most common cause for pH measurement inaccuracies is an unclean or improperly cleaned electrode. This is very important to note, because during calibration, the instrument assumes that the electrode is clean and that the standardization curve created during the calibration process will remain a valid reference until the next calibration. pH meters on the market today will allow an offset voltage of approximately ±60 mV. The deviation from 0 mV is not unusual but ideally should be no greater than ±30 mV. The calibration process compensates for the change in offset voltage. If the mV offset continues to deviate and the meter is calibrated with a dirty electrode then inaccurate readings will result.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=528\u0026amp;name=electrode-cleaning-illustration.gif\" alt=\"electrode-cleaning-illustration\" width=\"528\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=264\u0026amp;name=electrode-cleaning-illustration.gif 264w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=528\u0026amp;name=electrode-cleaning-illustration.gif 528w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=792\u0026amp;name=electrode-cleaning-illustration.gif 792w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=1056\u0026amp;name=electrode-cleaning-illustration.gif 1056w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=1320\u0026amp;name=electrode-cleaning-illustration.gif 1320w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=1584\u0026amp;name=electrode-cleaning-illustration.gif 1584w\" sizes=\"(max-width: 528px) 100vw, 528px\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan id=\"docs-internal-guid-f72f4f28-11fe-b133-ab0a-db21cdd384ef\"\u003eCleaning is a fast and effective routine that should be performed on a regular basis as a preventative measure against using a dirty electrode and to ensure that the junction is not clogged. By simply immersing the electrode in the HI7061-050 cleaning solution for 15 to 20 minutes will dissolve any mineral deposits or other coatings. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eAir tight bottle with tamper-proof seal\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e \u003c\/li\u003e\n\u003cli\u003eEnsures quality and freshness of solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEach bottle marked with lot number and expiration date.\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHanna cleaning solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":40897050345559,"sku":"HI7061-050","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/groline-general-purpose-cleaning-solution-hi7061-050__43027.1569952098.220.290.jpg?v=1715103222"},{"product_id":"groline-electrode-storage-solution-500-ml-hi70300-50","title":"GroLine Electrode Storage Solution (500 mL) - HI70300-50","description":"\u003cdiv id=\"hs_cos_wrapper_product_details\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"module\"\u003e\n\u003csection id=\"product-details\" class=\"grid-container product-details\" data-product-details=\"\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-product-description=\"\"\u003e\n\u003cdiv id=\"hs_cos_wrapper_product_details_\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-field=\"product_description\"\u003e\n\u003cp\u003eHI70300-050 is a GroLine storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is necessary to store a pH electrode in a solution in order to keep the glass membrane of the pH electrode hydrated. Ideally a storage solution should be used; never store an electrode in distilled or deionized water. The GroLine storage solution is specifically formulated to minimize microbial growth and to prevent any diffusion\/osmotic effects from storing a probe in a solution with the highly concentrated inner reference electrolyte. Storing your pH and\/or ORP electrodes in a storage solution will also keep the junction clear. Maintaining the hydrated layer and clear junction will help to ensure a fast and reliable measurement. In the case of cleaning your pH electrode in one of our cleaning solutions, we recommend soaking the electrode in the HI70300-050 GroLine storage solution for at least one hour before taking measurements.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpecial formulation to minimize microbial growth and osmotic\/diffusion effects between the solution and inner reference electrolyte\u003c\/li\u003e\n\u003cli\u003eManufactured specifically for pH and ORP electrodes\u003c\/li\u003e\n\u003cli\u003eClearly marked expiration date and lot number\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"hs_cos_wrapper_widget_12054410981\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"module\"\u003e\n\u003csection class=\"banner--product-rich-text\"\u003e\n\u003cdiv class=\"grid-container\"\u003e\n\u003cdiv class=\"align-center\"\u003e\n\u003cdiv class=\"cell small-12 large-10\"\u003e\n\u003cdiv id=\"hs_cos_wrapper_widget_12054410981_\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-field=\"content\"\u003e\n\u003cp\u003eHI70300-050 is a GroLine storage solution that can be used to store your pH electrode*. To ensure an optimum response time, the glass sensor tip and the reference junction of the pH electrode should be kept moist and not be allowed to dry out when not in use. Placing the electrode in a small glass filled with storage solution or replacing the solution in the protective cap is a suitable way to store the electrode. The HI70300-050 should also be used to rehydrate the electrode after a cleaning procedure by soaking for at least one hour before taking measurements.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/rehydrate-electrode.png?width=600\u0026amp;name=rehydrate-electrode.png\" alt=\"rehydrate-electrode\" width=\"600\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/rehydrate-electrode.png?width=300\u0026amp;name=rehydrate-electrode.png 300w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/rehydrate-electrode.png?width=600\u0026amp;name=rehydrate-electrode.png 600w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/rehydrate-electrode.png?width=900\u0026amp;name=rehydrate-electrode.png 900w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/rehydrate-electrode.png?width=1200\u0026amp;name=rehydrate-electrode.png 1200w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/rehydrate-electrode.png?width=1500\u0026amp;name=rehydrate-electrode.png 1500w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/rehydrate-electrode.png?width=1800\u0026amp;name=rehydrate-electrode.png 1800w\" sizes=\"(max-width: 600px) 100vw, 600px\"\u003e\u003c\/p\u003e\n\u003cp\u003e* Never store pH or ORP electrodes in distilled or deionized water. Doing so will shorten the life of the sensor.\u003c\/p\u003e\n\u003ch4 id=\"docs-internal-guid-fe1be71f-1889-f926-a55b-010188450be5\"\u003eAir tight bottle with tamper-proof seal\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEnsures quality and freshness of solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEach bottle marked with lot number and expiration date.\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHanna storage solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":40905907273815,"sku":"HI70300-050","price":29.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/groline-electrode-storage-solution-hi70300-050__79937.1570475215.220.290.jpg?v=1715194588"},{"product_id":"groline-general-purpose-cleaning-solution-sachets-20-ml-25-pcs-hi70061g","title":"GroLine General Purpose Cleaning Solution Sachets, 20 mL (25 pcs.) - HI70061G","description":"\u003cdiv id=\"hs_cos_wrapper_product_details\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"module\"\u003e\n\u003csection id=\"product-details\" class=\"grid-container product-details\" data-product-details=\"\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-product-description=\"\"\u003e\n\u003cdiv id=\"hs_cos_wrapper_product_details_\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-field=\"product_description\"\u003e\n\u003cp\u003eHI70061G is a high quality cleaning solution designed with hydroponics, aquaponics, and greenhouses in mind. Single-use sachets are highly portable, with a small footprint and a lightweight design. They are the perfect accessory for your on-the-go testing, fitting easily into your pocket or carrying case.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpecially formulated for cleaning GroLine electrodes.\u003c\/li\u003e\n\u003cli\u003eSingle-use sachets for convenience.\u003c\/li\u003e\n\u003cli\u003ePerfect for use with GroLine testers and portable meters!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"hs_cos_wrapper_widget_12054562859\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"module\"\u003e\n\u003csection class=\"banner--product-rich-text\"\u003e\n\u003cdiv class=\"grid-container\"\u003e\n\u003cdiv class=\"align-center\"\u003e\n\u003cdiv class=\"cell small-12 large-10\"\u003e\n\u003cdiv id=\"hs_cos_wrapper_widget_12054562859_\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-field=\"content\"\u003e\n\u003cp\u003eThe most common cause for pH measurement inaccuracies is an unclean or improperly cleaned electrode. This is very important to note, because during calibration, the instrument assumes that the electrode is clean and that the standardization curve created during the calibration process will remain a valid reference until the next calibration. pH meters on the market today will allow an offset voltage of approximately ±60 mV. The deviation from 0 mV is not unusual but ideally should be no greater than ±30 mV. The calibration process compensates for the change in offset voltage. If the mV offset continues to deviate and the meter is calibrated with a dirty electrode then inaccurate readings will result.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=528\u0026amp;name=electrode-cleaning-illustration.gif\" alt=\"electrode-cleaning-illustration\" width=\"528\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=264\u0026amp;name=electrode-cleaning-illustration.gif 264w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=528\u0026amp;name=electrode-cleaning-illustration.gif 528w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=792\u0026amp;name=electrode-cleaning-illustration.gif 792w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=1056\u0026amp;name=electrode-cleaning-illustration.gif 1056w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=1320\u0026amp;name=electrode-cleaning-illustration.gif 1320w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=1584\u0026amp;name=electrode-cleaning-illustration.gif 1584w\" sizes=\"(max-width: 528px) 100vw, 528px\"\u003e\u003c\/p\u003e\n\u003cp\u003eCleaning is a fast and effective routine that should be performed on a regular basis as a preventative measure against using a dirty electrode and to ensure that the junction is not clogged. By simply immersing the electrode in the HI70061G cleaning solution for 15 to 20 minutes will dissolve any mineral deposits or other coatings.  \u003c\/p\u003e\n\u003ch4\u003eEach sealed sachet holds just the right amount of solution making every sachet as fresh as the day it was packaged!\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolution does not contain any dyes that may stain the reference cell of a pH electrode.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eLight block foil packaging\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLight-tight packet helps to prevent against degradation by UV light.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eOne-time use sachet packets\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEnsures quality and freshness of solution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEach sachet marked with lot number and expiration date\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMany Hanna solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened sachet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":40906043818071,"sku":"HI70061G","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/groline-general-purpose-cleaning-solution-hi70061G__69774.1569865621.220.290.jpg?v=1715198650"},{"product_id":"quick-calibration-solution-for-groline-ph-ec-meters-2-x-20-ml-sachets","title":"Quick Calibration Solution For GroLine PH \u0026 EC Meters (2 X 20 ML Sachets)","description":"\u003cp\u003eHI50036 is a quick calibration solution for use with Hanna’s GroLine pH and\/or EC\/TDS meters. Using the Quick Cal function found in compatible meters allows for  a single point calibration for pH and\/or conductivity sensors. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI50036P is for 2 sachets containing 20 mL of calibration solution.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSingle use so that fresh solution is always used for accurate calibration\u003c\/li\u003e\n\u003cli\u003eTwo calibration solutions for the price of one\u003c\/li\u003e\n\u003cli\u003eExpiration date stamped on packet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHI50036 is a quality quick calibration solution produced in accordance with ISO 3696\/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers.\u003c\/p\u003e\n\u003ch4\u003eQuick Calibration Solution\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCalibration solution for GroLine pH and EC\/TDS meters\u003c\/li\u003e\n\u003cli\u003epH calibration buffer value of pH 6.86\u003c\/li\u003e\n\u003cli\u003eEC calibration standard value of 5, 000 µS\/cm (5.00 mS\/cm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eConvenience of individual packaging\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for users that do not calibrate frequently\u003c\/li\u003e\n\u003cli\u003eIdeal for field use due to portability\u003c\/li\u003e\n\u003cli\u003eEvery sachet is as fresh as the day it was packaged\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEach sachet marked with lot number and expiration date\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened sachet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eLight block packaging\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePrevents any oxidation from UV light that could alter the pH buffer value\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eName\u003c\/td\u003e\n\u003ctd\u003eQuick Calibration Solution for GroLine pH \u0026amp; EC Meters (2 x 20 mL sachets) – HI50036\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription\u003c\/td\u003e\n\u003ctd\u003equick cal calibration solution for GroLine meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertificate of Analysis\u003c\/td\u003e\n\u003ctd\u003eyes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.02 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Value @ 25°C\u003c\/td\u003e\n\u003ctd\u003e6.86 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSachet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e20 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEC Value @25°C\u003c\/td\u003e\n\u003ctd\u003e5,000 µS\/cm (5.00 mS\/cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":40907790745687,"sku":"HI50036-02","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/hi50036-quick-cal-gro-line-2sachets_1__53128.1568914178.1280.1280.jpg?v=1724524099"},{"product_id":"groline-waterproof-portable-ph-ec-tds-meter-with-calibration-solution25-x-20-ml-sachets","title":"GroLine Waterproof Portable pH\/EC\/TDS Meter with Calibration Solution(25 x 20 mL sachets)","description":"\u003cp\u003e\u003cspan class=\"NormalTextRun SCXW92052961 BCX0\"\u003eO\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW92052961 BCX0\"\u003ene of the best meters for hydroponics, \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW92052961 BCX0\"\u003eour \u003c\/span\u003e\u003cspan class=\"NormalTextRun SpellingErrorV2Themed SCXW92052961 BCX0\"\u003eGroLine \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW92052961 BCX0\"\u003eWaterproof \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW92052961 BCX0\"\u003ePortable pH\/EC\/TDS Meter (HI9814) \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW92052961 BCX0\"\u003eis a must-have for growers. Easily manage and\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW92052961 BCX0\"\u003emonitor\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW92052961 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003eyour growing nutrients\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW92052961 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003ewith this customer favorite.\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW92052961 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003eBe up in running in no time!\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW92052961 BCX0\"\u003eThis meter \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW92052961 BCX0\"\u003earrives with everything\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW92052961 BCX0\"\u003eyou need for successful\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW92052961 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003etesting right out of the box. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"NormalTextRun SCXW92052961 BCX0\"\u003eWhether you're a commercial or at-home grower,\u003cspan\u003e \u003c\/span\u003etesting nutrients is easy with Hanna by your side.\u003cspan\u003e \u003c\/span\u003eVerify nutrient results on the spot and start\u003cspan\u003e \u003c\/span\u003eoptimizing\u003cspan\u003e \u003c\/span\u003eand generating larger yields.\u003cspan\u003e \u003c\/span\u003eTest 3 parameters\u003cspan\u003e \u003c\/span\u003eat the same time with just one device.\u003cspan\u003e \u003c\/span\u003eAchieve fast,\u003cspan\u003e \u003c\/span\u003eaccurate\u003cspan\u003e \u003c\/span\u003ereadings for pH, EC\/TDS, and temperature with\u003cspan\u003e \u003c\/span\u003ethis meter’s\u003cspan\u003e \u003c\/span\u003eall-in-one probe. \u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"BulletListStyle1 SCXW128336332 BCX0\"\u003e\n\u003cli data-aria-level=\"1\" data-aria-posinset=\"1\" data-list-defn-props='{\"335552541\":1,\"335559684\":-2,\"335559685\":720,\"335559991\":360,\"469769226\":\"Symbol\",\"469769242\":[8226],\"469777803\":\"left\",\"469777804\":\"\",\"469777815\":\"hybridMultilevel\"}' data-listid=\"2\" data-font=\"Symbol\" data-leveltext=\"\" class=\"OutlineElement Ltr SCXW128336332 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW128336332 BCX0\"\u003e\u003cspan data-contrast=\"none\" lang=\"EN-US\" class=\"TextRun SCXW128336332 BCX0\" xml:lang=\"EN-US\"\u003e\u003cspan class=\"NormalTextRun SCXW128336332 BCX0\"\u003eDurable\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW128336332 BCX0\"\u003e \u0026amp; reliable\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW128336332 BCX0\"\u003e. Can \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW128336332 BCX0\"\u003ewithstand the demands of\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW128336332 BCX0\"\u003egrowing environments\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW128336332 BCX0\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan data-ccp-props='{\"134233117\":false,\"134233118\":false,\"335557856\":16777215,\"335559737\":0,\"335559738\":0,\"335559739\":0}' class=\"EOP SCXW128336332 BCX0\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-aria-level=\"1\" data-aria-posinset=\"2\" data-list-defn-props='{\"335552541\":1,\"335559684\":-2,\"335559685\":720,\"335559991\":360,\"469769226\":\"Symbol\",\"469769242\":[8226],\"469777803\":\"left\",\"469777804\":\"\",\"469777815\":\"hybridMultilevel\"}' data-listid=\"2\" data-font=\"Symbol\" data-leveltext=\"\" class=\"OutlineElement Ltr SCXW128336332 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW128336332 BCX0\"\u003e\u003cspan data-contrast=\"none\" lang=\"EN-US\" class=\"TextRun SCXW128336332 BCX0\" xml:lang=\"EN-US\"\u003e\u003cspan class=\"NormalTextRun SCXW128336332 BCX0\"\u003eHand-held\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW128336332 BCX0\"\u003e, p\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW128336332 BCX0\"\u003eortable \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW128336332 BCX0\"\u003esize\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW128336332 BCX0\"\u003e.\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW128336332 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003eEasily move around \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW128336332 BCX0\"\u003eand t\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW128336332 BCX0\"\u003eest where you need to\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-ccp-props='{\"134233117\":false,\"134233118\":false,\"335557856\":16777215,\"335559737\":0,\"335559738\":0,\"335559739\":0}' class=\"EOP SCXW128336332 BCX0\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-aria-level=\"1\" data-aria-posinset=\"3\" data-list-defn-props='{\"335552541\":1,\"335559684\":-2,\"335559685\":720,\"335559991\":360,\"469769226\":\"Symbol\",\"469769242\":[8226],\"469777803\":\"left\",\"469777804\":\"\",\"469777815\":\"hybridMultilevel\"}' data-listid=\"2\" data-font=\"Symbol\" data-leveltext=\"\" class=\"OutlineElement Ltr SCXW128336332 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW128336332 BCX0\"\u003e\u003cspan data-contrast=\"none\" lang=\"EN-US\" class=\"TextRun SCXW128336332 BCX0\" xml:lang=\"EN-US\"\u003e\u003cspan class=\"NormalTextRun SCXW128336332 BCX0\"\u003eEasy to set-up. Makes testing convenient, simple, and hassle-free\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"none\" lang=\"EN-US\" class=\"TextRun SCXW128336332 BCX0\" xml:lang=\"EN-US\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eMade for hydroponic, aquaponic, and greenhouse growers\u003c\/li\u003e\n\u003cli\u003eSpecially designed for testing hydroponic nutrient solutions\u003c\/li\u003e\n\u003cli\u003eWaterproof casing IP67 rated\u003c\/li\u003e\n\u003cli\u003eSimple two-button operation\u003c\/li\u003e\n\u003cli\u003eSupplied with a replaceable 3-in-1, pre-amplified probe for measuring pH, EC\/TDS (ppm), and temperature (HI285-7) \u003c\/li\u003e\n\u003cli\u003eQuick DIN connector for easy probe attachment and removal \u003c\/li\u003e\n\u003cli\u003eQuick Cal Mode enables the user to attain a fast, single-point calibration for pH and EC\/TDS using just one solution  \u003c\/li\u003e\n\u003cli\u003eEasy-to-read, large LCD digital screen displays all three measurements simultaneously\u003c\/li\u003e\n\u003cli\u003eAuto shut-off options conserve battery energy \u003c\/li\u003e\n\u003cli\u003eBlinking low battery indicator will appear when battery detection is below 10%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-2.00 to 16.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Accuracy @ 25°C \/ 77°F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.02 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, 1 or 2 point, with pH 4.01, pH 7.01, pH 10.01. One-point calibration using quick calibration solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003emV Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±825 mV (pH-mV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003emV Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 mV (pH-mV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003emV Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±1 mV (pH-mV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-5.0 to 105.0 °C \/ 23.0 to 221.0 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 °C \/ 0.1 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy @ 25°C \/ 77°F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5 °C \/ ±1.0 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 6.00 mS\/cm (EC) **\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Accuracy @25°C\/77°F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, one-point at 1.41 mS\/cm or 5.00 mS\/cm. One-point calibration using quick calibration solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 3000 ppm (0.5 CF)\/0 to 3990 ppm (0.7 CF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 ppm (mg\/L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Accuracy @ 25°C \/ 77°F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Conversion Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 (500 ppm) or 0.7 (700 ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH - Automatic, EC - Automatic with β=1.9%\/ °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5V AAA batteries (3 pcs.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 600 hours of continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuto shut-off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003euser selectable: after 8 min, 60 min or disabled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50 °C (32 to 122 °F) RH max. 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e154 x 63 x 30 mm (6.1 x 2.5 x 1.2”)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e196 g (6.91 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 years for meter (HI9814), 6 months for probe (HI285-7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Probe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH\/EC\/TDS probe (HI285-7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eHI50036P is a quick calibration solution for use with Hanna's GroLine pH and\/or EC\/TDS meters. Using the Quick Cal function found in compatible meters allows for  a single point calibration for pH and\/or conductivity sensors. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna's line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI50036P is for 25 sachets containing 20 mL of calibration solution.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSingle use so that fresh solution is always used for accurate calibration\u003c\/li\u003e\n\u003cli\u003eTwo calibration solutions for the price of one\u003c\/li\u003e\n\u003cli\u003eExpiration date stamped on packet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eHI50036P is a quality quick calibration solution produced in accordance with ISO 3696\/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eQuick Calibration Solution\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCalibration solution for GroLine pH and EC\/TDS meters\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003epH calibration buffer value of pH 6.86\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003eEC calibration standard value of 5,000 μS\/cm (5.00 mS\/cm)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\"\u003eConvenience of individual packaging\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIdeal for users that do not calibrate frequently\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIdeal for field use due to portability\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEvery sachet is as fresh as the day it was packaged\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\"\u003eEach sachet marked with lot number and expiration date\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eHanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened sachet\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\"\u003eLight block packaging\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003ePrevents any oxidation from UV light that could alter the pH buffer value\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":40907832459351,"sku":"HI9814-HI50036","price":329.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI9814_HI50036PWhite.png?v=1715787394"},{"product_id":"groline-hydroponics-ph-tester","title":"Hanna HI98115 GroLine Hydroponics pH Tester | Replaceable Electrode","description":"\u003cp\u003e\u003cstrong\u003eProfessional pH testing designed specifically for hydroponic nutrient solutions.\u003c\/strong\u003e The Hanna HI98115 GroLine Hydroponics pH Tester delivers accurate pH measurements with 0.01 resolution and ±0.2 pH accuracy, featuring a replaceable electrode, one-button operation, and automatic calibration—making it the ideal choice for hydroponic growers who need reliable, affordable pH monitoring.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroponics-specific design\u003c\/strong\u003e – Engineered for measuring pH in nutrient solutions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable electrode\u003c\/strong\u003e – HI1271 gel-filled electrode extends tester life indefinitely\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh precision\u003c\/strong\u003e – 0.01 pH resolution with ±0.2 pH accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-button operation\u003c\/strong\u003e – All functions including ON\/OFF and calibration with single button\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto calibration\u003c\/strong\u003e – Automatic one or two-point calibration with buffer recognition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapered electrode\u003c\/strong\u003e – 8mm tip fits test tubes, vials, and small containers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong battery life\u003c\/strong\u003e – Up to 1000 hours continuous use with CR2032 battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit\u003c\/strong\u003e – Includes carrying case, electrode, buffers, and cleaning solutions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAffordable\u003c\/strong\u003e – Professional features at a price accessible to all growers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy pH Matters in Hydroponics\u003c\/h3\u003e\n\u003cp\u003epH is one of the most critical parameters in hydroponic growing. Maintaining optimal pH levels (typically 5.5-6.5) ensures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum nutrient uptake:\u003c\/strong\u003e Plants can only absorb nutrients within specific pH ranges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevent nutrient lockout:\u003c\/strong\u003e Incorrect pH makes nutrients unavailable to plants\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHealthy plant growth:\u003c\/strong\u003e Optimal pH promotes vigorous growth and higher yields\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisease prevention:\u003c\/strong\u003e Proper pH helps prevent root diseases and pathogens\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent results:\u003c\/strong\u003e Stable pH leads to predictable, repeatable growing outcomes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigned for Hydroponic Growers\u003c\/h3\u003e\n\u003cp\u003eThe HI98115 GroLine tester is specifically designed for the unique needs of hydroponic cultivation. Whether you're growing in NFT, DWC, ebb and flow, or any other hydroponic system, the GroLine tester provides the accuracy and reliability you need to maintain optimal nutrient solution pH. The replaceable electrode design means your investment is protected—when the electrode eventually wears out, simply replace it instead of buying a new tester.\u003c\/p\u003e\n\n\u003ch3\u003eAdvanced Features for Easy Operation\u003c\/h3\u003e\n\n\u003ch4\u003eOne-Button Simplicity\u003c\/h4\u003e\n\u003cp\u003eThe HI98115 is incredibly simple to operate with all functions performed with a single button. Turn on\/off, calibrate, and take readings—all with one button. This streamlined design makes the tester accessible to growers of all experience levels.\u003c\/p\u003e\n\n\u003ch4\u003eLarge Enhanced LCD Display\u003c\/h4\u003e\n\u003cp\u003eThe enhanced LCD displays multiple indicators simultaneously:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH reading:\u003c\/strong\u003e 0.01 resolution for precise measurements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStability indicator:\u003c\/strong\u003e Hourglass icon disappears when reading is stable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration tags:\u003c\/strong\u003e Shows which buffers were used for calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow battery indicator:\u003c\/strong\u003e Alerts you when battery needs replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eReplaceable HI1271 pH Electrode\u003c\/h4\u003e\n\u003cp\u003eThe supplied HI1271 gel-filled pH electrode offers several advantages for hydroponic testing:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapered design:\u003c\/strong\u003e 103mm long, tapering to 8mm diameter at sensing end\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits small containers:\u003c\/strong\u003e Easily fits into test tubes, vials, and narrow-mouth bottles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGel-filled:\u003c\/strong\u003e Maintenance-free, no refilling required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlastic body:\u003c\/strong\u003e Durable construction reduces maintenance needs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy replacement:\u003c\/strong\u003e Simple screw-on\/screw-off design when replacement is needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAutomatic Calibration with Buffer Recognition\u003c\/h4\u003e\n\u003cp\u003eThe HI98115 is calibrated automatically to one or two points. The calibration buffers are automatically recognized, and after calibration, the buffer values used are shown on the display as tags. This ensures proper calibration every time and provides documentation of which buffers were used.\u003c\/p\u003e\n\n\u003ch4\u003eStability Indicator\u003c\/h4\u003e\n\u003cp\u003eAn hourglass indicator is displayed on the LCD until a stable reading is obtained. Once a reading stabilizes, the indicator disappears, signaling that you can record the measurement with confidence.\u003c\/p\u003e\n\n\u003ch4\u003eFlexible Auto Shut-Off\u003c\/h4\u003e\n\u003cp\u003eThe meter can be set to automatically turn off after 8 minutes or 60 minutes to conserve battery life if the meter is left on. The auto-off feature can also be disabled for continuous monitoring applications.\u003c\/p\u003e\n\n\u003ch4\u003eExceptional Battery Life\u003c\/h4\u003e\n\u003cp\u003eThe HI98115 has an exceptionally long battery life of approximately 1000 hours. When battery power is running low, a low battery indicator is displayed, giving you advance warning to replace the battery.\u003c\/p\u003e\n\n\u003ch3\u003eComplete Kit in Durable Carrying Case\u003c\/h3\u003e\n\u003cp\u003eThe HI98115 is supplied complete with everything needed for hydroponic pH testing, all packaged in a durable plastic carrying case:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHI98115 GroLine pH tester\u003c\/li\u003e\n\u003cli\u003eHI1271 replaceable pH electrode\u003c\/li\u003e\n\u003cli\u003epH 4.01 buffer solution sachets (2)\u003c\/li\u003e\n\u003cli\u003epH 7.01 buffer solution sachets (2)\u003c\/li\u003e\n\u003cli\u003eElectrode cleaning solution sachets (2)\u003c\/li\u003e\n\u003cli\u003eCR2032 Li-ion battery\u003c\/li\u003e\n\u003cli\u003eQuality certificate\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003cli\u003ePlastic carrying case\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHydroponic nutrient solution testing\u003c\/li\u003e\n\u003cli\u003eNFT (Nutrient Film Technique) systems\u003c\/li\u003e\n\u003cli\u003eDWC (Deep Water Culture) systems\u003c\/li\u003e\n\u003cli\u003eEbb and flow systems\u003c\/li\u003e\n\u003cli\u003eDrip irrigation systems\u003c\/li\u003e\n\u003cli\u003eAeroponics\u003c\/li\u003e\n\u003cli\u003eAquaponics\u003c\/li\u003e\n\u003cli\u003eIndoor growing operations\u003c\/li\u003e\n\u003cli\u003eCommercial greenhouses\u003c\/li\u003e\n\u003cli\u003eHome hobbyist growing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI98115\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 14.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Accuracy (@25°C\/77°F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.2 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, one or two-point with buffer recognition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Electrode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI1271 replaceable gel-filled electrode (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic Shut-Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 minutes, 60 minutes, or disabled (user-selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type \/ Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCR2032 Li-ion \/ Approximately 1000 hours continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50°C (32 to 122°F); RH 95% max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 × 174 × 21 mm (2 × 6.8 × 0.9\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 g (1.8 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eOptimal pH Ranges for Hydroponic Growing\u003c\/h3\u003e\n\u003cp\u003eDifferent plants and growing systems have different optimal pH ranges:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral hydroponics:\u003c\/strong\u003e 5.5 - 6.5 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeafy greens:\u003c\/strong\u003e 6.0 - 7.0 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFruiting plants (tomatoes, peppers):\u003c\/strong\u003e 5.5 - 6.5 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHerbs:\u003c\/strong\u003e 5.5 - 6.5 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCannabis:\u003c\/strong\u003e 5.5 - 6.5 pH (vegetative), 6.0 - 6.5 pH (flowering)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe HI98115's 0.01 pH resolution gives you the precision needed to maintain these tight pH ranges for optimal plant health and yields.\u003c\/p\u003e\n\n\u003ch3\u003epH Testing Best Practices for Hydroponics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest frequency:\u003c\/strong\u003e Check pH daily, or twice daily for critical growth stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest after mixing:\u003c\/strong\u003e Always test pH after adding nutrients to water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllow equilibration:\u003c\/strong\u003e Let nutrient solution mix thoroughly before testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRinse electrode:\u003c\/strong\u003e Rinse with distilled water between tests\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrate regularly:\u003c\/strong\u003e Calibrate weekly or when readings seem inconsistent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean electrode:\u003c\/strong\u003e Use cleaning solution to remove nutrient buildup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStore properly:\u003c\/strong\u003e Store electrode in storage solution when not in use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitor trends:\u003c\/strong\u003e Track pH over time to identify patterns and prevent problems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReplacement Parts \u0026amp; Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI1271:\u003c\/strong\u003e Replacement pH electrode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI70004P:\u003c\/strong\u003e pH 4.01 buffer solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI70007P:\u003c\/strong\u003e pH 7.01 buffer solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI700601:\u003c\/strong\u003e Electrode cleaning solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI70300:\u003c\/strong\u003e Storage solution for pH electrodes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose GroLine?\u003c\/h3\u003e\n\u003cp\u003eHanna's GroLine series is specifically designed for agricultural and horticultural applications, with a focus on hydroponics. The HI98115 combines professional-grade accuracy with user-friendly operation and exceptional value, making it accessible to growers at all levels—from home hobbyists to commercial operations. The replaceable electrode design and long battery life ensure years of reliable service, while the one-button operation makes it simple enough for anyone to use.\u003c\/p\u003e\n\n\u003ch3\u003eEconomical Professional Solution\u003c\/h3\u003e\n\u003cp\u003eThe HI98115 is a full-featured pH tester at a price that anyone who needs to measure pH can afford. You get professional accuracy, replaceable electrode, automatic calibration, and a complete kit with carrying case—all at a fraction of the cost of more expensive meters. This makes it the perfect choice for growers who need reliable pH testing without breaking the budget.\u003c\/p\u003e\n\n\u003ch3\u003eWarranty \u0026amp; Support\u003c\/h3\u003e\n\u003cp\u003eThe HI98115 GroLine Hydroponics pH Tester is backed by Hanna's quality guarantee and customer support. For technical assistance, calibration questions, or replacement parts, our expert team is ready to help.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41054120968279,"sku":"HI98115","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/hi98115-gro-line__10147.jpg?v=1718741150"},{"product_id":"groline-ph-4-01-buffer-sachets-20-ml-25-pcs","title":"GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.)","description":"\u003cp\u003eHI70004G is a high quality pH 4.01 calibration buffer designed with hydroponics, aquaponics, and greenhouses in mind. Single-use sachets are highly portable, with a small footprint and a lightweight design. They are the perfect accessory for your on-the-go testing, fitting easily into your pocket or carrying case.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupplied with Certificate of Analysis\u003c\/li\u003e\n\u003cli\u003eSingle-use sachets for convenience.\u003c\/li\u003e\n\u003cli\u003ePerfect for use with GroLine testers and portable meters!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHI70004G is a high quality pH 4.01 calibration buffer produced in accordance with ISO 3696\/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. Reported values are accurate to +\/- 0.02 pH @ 25\u003csup\u003e°\u003c\/sup\u003eC and are traceable to NIST Standard Reference Materials (SRMs).\u003c\/p\u003e\n\u003ch4 id=\"docs-internal-guid-79b59529-3c95-1ed1-3471-dd220b4eb08f\"\u003eEach sealed sachet holds just the right amount of solution making every sachet as fresh as the day it was packaged!\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolution does not contain any dyes that may stain the reference cell of a pH electrode.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 id=\"docs-internal-guid-79b59529-3c95-1ed1-3471-dd220b4eb08f\"\u003eLight block foil packaging\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLight-tight packet helps to prevent against degradation by UV light.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eOne-time use sachet packets\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEnsures quality and freshness of solution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEach sachet marked with lot number and expiration date\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMany Hanna solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened sachet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe HI70004G is supplied with Certificate of Analysis\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProduct code\u003c\/li\u003e\n\u003cli\u003eLot number\u003c\/li\u003e\n\u003cli\u003eMean lot value\u003c\/li\u003e\n\u003cli\u003eSRMs that were used\u003c\/li\u003e\n\u003cli\u003eManufacturing date\u003c\/li\u003e\n\u003cli\u003eExpiration date\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":41054190338135,"sku":"HI70004G","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/groline-ph-4.01-buffer-sachets25-sachets-of-20-ml-hi70004g__79866.jpg?v=1718744614"},{"product_id":"hi70007g-ph-7-01-buffer-groline","title":"Hanna HI70007G pH 7.01 Calibration Buffer - GroLine Sachets (25 x 20mL)","description":"\u003ch2\u003eHanna HI70007G pH 7.01 Calibration Buffer - Professional GroLine Sachets\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHanna HI70007G pH 7.01 Calibration Buffer\u003c\/strong\u003e is a high-precision, NIST-traceable calibration standard designed specifically for hydroponics, aquaponics, greenhouses, and water quality testing applications. Each box contains \u003cstrong\u003e25 individually sealed 20mL sachets\u003c\/strong\u003e that deliver fresh, uncontaminated pH 7.01 buffer solution every time, ensuring optimal meter accuracy and reliable measurements.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNIST Traceable:\u003c\/strong\u003e Accurate to ±0.02 pH @ 25°C, traceable to NIST Standard Reference Materials\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertificate of Analysis:\u003c\/strong\u003e Each lot supplied with complete documentation for quality assurance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25 Individual Sachets:\u003c\/strong\u003e Pre-measured 20mL single-use sachets ensure fresh solution every calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight-Blocking Foil:\u003c\/strong\u003e UV-resistant packaging prevents degradation and extends shelf life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Year Shelf Life:\u003c\/strong\u003e Unopened sachets remain stable for up to 5 years from manufacture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLot Number \u0026amp; Expiration:\u003c\/strong\u003e Each sachet stamped with full traceability information\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 3696\/BS3978 Certified:\u003c\/strong\u003e Manufactured to international quality standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDye-Free Formula:\u003c\/strong\u003e Won't stain or contaminate pH electrode reference cells\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroLine Optimized:\u003c\/strong\u003e Perfect for use with GroLine testers and portable meters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy pH 7.01 Buffer?\u003c\/h3\u003e\n\u003cp\u003epH 7.01 is the neutral point calibration standard used in multi-point pH calibration procedures. When calibrating pH meters, the 7.01 buffer serves as the central reference point, with acidic (pH 4.01) and alkaline (pH 10.01) buffers used to establish the full calibration curve. For single-point calibration, pH 7.01 provides the most accurate reference for samples near neutral pH, making it essential for hydroponics, aquariums, and general water quality testing.\u003c\/p\u003e\n\n\u003ch3\u003eProfessional-Grade Manufacturing\u003c\/h3\u003e\n\n\u003ch4\u003eISO 3696\/BS3978 Compliance\u003c\/h4\u003e\n\u003cp\u003eThe HI70007G is manufactured in accordance with ISO 3696 and BS3978 international standards for analytical-grade water and reagents. This ensures consistent quality, accuracy, and reliability across every batch. The production process includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Purity Salts:\u003c\/strong\u003e Pharmaceutical-grade reagents for precise pH values\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeionized Water:\u003c\/strong\u003e Ultra-pure water free from contaminants that could affect pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified Balances:\u003c\/strong\u003e Weight-checked analytical balances for exact formulation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass A Glassware:\u003c\/strong\u003e Laboratory-grade glassware for accurate measurements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Control:\u003c\/strong\u003e Climate-controlled manufacturing environment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified Thermometers:\u003c\/strong\u003e Traceable temperature monitoring throughout production\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eNIST Traceability\u003c\/h4\u003e\n\u003cp\u003eEvery lot of HI70007G is verified against NIST Standard Reference Materials (SRMs), ensuring accuracy to ±0.02 pH at 25°C. This traceability is essential for laboratory quality control, regulatory compliance, and applications requiring documented calibration standards. The Certificate of Analysis provided with each lot includes the specific NIST SRMs used for verification.\u003c\/p\u003e\n\n\u003ch4\u003eDye-Free Formulation\u003c\/h4\u003e\n\u003cp\u003eUnlike some colored buffer solutions that can stain or contaminate the reference junction of pH electrodes, the HI70007G is completely dye-free. This prevents reference cell contamination that can cause drift, slow response times, and premature electrode failure. The clear solution also makes it easy to verify cleanliness and detect any contamination.\u003c\/p\u003e\n\n\u003ch3\u003eSingle-Use Sachet Advantages\u003c\/h3\u003e\n\n\u003ch4\u003eAlways Fresh, Never Contaminated\u003c\/h4\u003e\n\u003cp\u003eEach 20mL sachet is hermetically sealed at the time of manufacture, preserving the buffer solution in pristine condition until you're ready to use it. Unlike bottled buffers that can become contaminated after opening or absorb CO₂ from the air (affecting pH), every sachet provides a fresh, uncontaminated calibration standard. After calibration, simply discard the used solution—no storage concerns, no degradation worries.\u003c\/p\u003e\n\n\u003ch4\u003eLight-Blocking Foil Packaging\u003c\/h4\u003e\n\u003cp\u003eUV light can degrade buffer solutions over time, affecting their accuracy. The HI70007G sachets feature light-tight foil packaging that completely blocks UV radiation, preserving the buffer's integrity from manufacturing through your calibration procedure. This ensures consistent accuracy across the entire 5-year shelf life.\u003c\/p\u003e\n\n\u003ch4\u003eFull Traceability\u003c\/h4\u003e\n\u003cp\u003eEvery sachet is stamped with a lot number and expiration date, providing complete traceability for quality control and regulatory compliance. This is essential for laboratory environments, commercial operations, and any application requiring documented calibration procedures. The lot number corresponds to the Certificate of Analysis, allowing you to verify the exact specifications of your buffer solution.\u003c\/p\u003e\n\n\u003ch4\u003ePortable \u0026amp; Field-Ready\u003c\/h4\u003e\n\u003cp\u003eThe compact, lightweight sachets are perfect for on-the-go testing. They fit easily into your pocket, carrying case, or field testing kit, making them ideal for greenhouse operations, aquaculture facilities, environmental monitoring, and any application requiring portable calibration capability.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI70007G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Value\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.01 @ 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.02 pH @ 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTraceability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNIST Standard Reference Materials (SRMs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 sachets per box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVolume per Sachet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500 mL (25 x 20 mL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackaging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLight-blocking foil sachets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClear (dye-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUsage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle-use (discard after calibration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShelf Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 5 years (unopened)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturing Standard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eISO 3696\/BS3978\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertificate of Analysis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded with each lot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 lb (680 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBarcode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e606795356232\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRomania\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHanna Instruments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCertificate of Analysis\u003c\/h3\u003e\n\u003cp\u003eEach lot of HI70007G is supplied with a comprehensive Certificate of Analysis that includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Code:\u003c\/strong\u003e HI70007G identification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLot Number:\u003c\/strong\u003e Unique batch identifier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMean Lot Value:\u003c\/strong\u003e Actual measured pH value for the specific lot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNIST SRMs Used:\u003c\/strong\u003e Specific Standard Reference Materials used for verification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing Date:\u003c\/strong\u003e Production date for traceability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpiration Date:\u003c\/strong\u003e Guaranteed shelf life information\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis documentation is essential for laboratory quality systems, regulatory compliance (GLP, ISO 17025), and audit trails.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Meters \u0026amp; Applications\u003c\/h3\u003e\n\n\u003ch4\u003eGroLine Meters\u003c\/h4\u003e\n\u003cp\u003eThe HI70007G is specifically designed for use with Hanna's GroLine series of pH testers and portable meters, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGroLine pH testers (HI98118, HI98127, HI98128)\u003c\/li\u003e\n\u003cli\u003eGroLine combination meters (HI9814, HI98129, HI98130)\u003c\/li\u003e\n\u003cli\u003eGroLine portable pH meters\u003c\/li\u003e\n\u003cli\u003eAll Hanna pH meters requiring pH 7.01 calibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eApplications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroponics:\u003c\/strong\u003e Calibrate nutrient solution pH meters for optimal plant nutrition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquaponics:\u003c\/strong\u003e Maintain accurate water quality monitoring equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquariums:\u003c\/strong\u003e Ensure precise pH measurement for fish and coral health\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreenhouses:\u003c\/strong\u003e Calibrate irrigation and fertigation system pH meters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePools \u0026amp; Spas:\u003c\/strong\u003e Verify water chemistry testing equipment accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaboratories:\u003c\/strong\u003e Quality control and routine meter calibration with full traceability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Testing:\u003c\/strong\u003e Field calibration for water quality monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgriculture:\u003c\/strong\u003e Soil solution and irrigation water pH testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFood \u0026amp; Beverage:\u003c\/strong\u003e Process water and product quality control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEducation:\u003c\/strong\u003e Science labs and research facilities\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWastewater Treatment:\u003c\/strong\u003e Effluent monitoring and process control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCalibration Procedure\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare Meter:\u003c\/strong\u003e Turn on your pH meter and enter calibration mode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRinse Electrode:\u003c\/strong\u003e Rinse the pH electrode with distilled or deionized water and gently blot dry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen Sachet:\u003c\/strong\u003e Tear open one fresh HI70007G sachet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePour Solution:\u003c\/strong\u003e Pour the entire contents into a clean calibration container or beaker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmerse Electrode:\u003c\/strong\u003e Submerge the pH electrode in the buffer solution, ensuring the glass bulb and reference junction are fully covered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStir Gently:\u003c\/strong\u003e Gently swirl the electrode to remove air bubbles and ensure contact with fresh solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWait for Stability:\u003c\/strong\u003e Allow the reading to stabilize (typically 30-60 seconds)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm Calibration:\u003c\/strong\u003e Accept the calibration point when the meter indicates stability at pH 7.01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRinse \u0026amp; Continue:\u003c\/strong\u003e Rinse the electrode with distilled water before proceeding to additional calibration points (pH 4.01, pH 10.01) if performing multi-point calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiscard Solution:\u003c\/strong\u003e Dispose of used buffer solution—never reuse\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eMulti-Point Calibration\u003c\/h3\u003e\n\u003cp\u003eFor maximum accuracy across a wide pH range, perform a 3-point calibration using:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH 4.01 Buffer (HI70004G):\u003c\/strong\u003e Acidic calibration point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH 7.01 Buffer (HI70007G):\u003c\/strong\u003e Neutral calibration point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH 10.01 Buffer (HI70010G):\u003c\/strong\u003e Alkaline calibration point\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis establishes a complete calibration curve for accurate measurements from acidic to alkaline samples.\u003c\/p\u003e\n\n\u003ch3\u003eCalibration Best Practices\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrate Regularly:\u003c\/strong\u003e Calibrate before each use or at minimum weekly for critical applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse Fresh Solution:\u003c\/strong\u003e Always use a new sachet—never reuse buffer solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Expiration Date:\u003c\/strong\u003e Verify the expiration date on each sachet before use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Container:\u003c\/strong\u003e Use a clean, uncontaminated calibration container for each calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRinse Thoroughly:\u003c\/strong\u003e Always rinse the electrode with distilled water between buffer solutions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Matters:\u003c\/strong\u003e Allow buffer and electrode to equilibrate to the same temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument Calibration:\u003c\/strong\u003e Record lot number, date, and calibration results for quality assurance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace Electrodes:\u003c\/strong\u003e If calibration is difficult or unstable, the electrode may need replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eStorage \u0026amp; Handling\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStore sachets in a cool, dry place away from direct sunlight\u003c\/li\u003e\n\u003cli\u003eKeep sachets sealed until ready to use\u003c\/li\u003e\n\u003cli\u003eAvoid exposure to extreme temperatures\u003c\/li\u003e\n\u003cli\u003eDo not freeze\u003c\/li\u003e\n\u003cli\u003eCheck expiration date before use\u003c\/li\u003e\n\u003cli\u003eStore in original packaging for maximum shelf life\u003c\/li\u003e\n\u003cli\u003eUnopened sachets remain stable for up to 5 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose HI70007G?\u003c\/h3\u003e\n\u003cp\u003eThe HI70007G represents the gold standard in pH calibration buffers for hydroponics, aquaponics, and water quality testing. The combination of NIST traceability, ISO-certified manufacturing, and single-use sachet convenience ensures you're calibrating with the most accurate, reliable buffer solution available. Whether you're managing a commercial greenhouse operation, maintaining aquarium water quality, or conducting laboratory water analysis, the HI70007G delivers professional-grade accuracy with unmatched convenience.\u003c\/p\u003e\n\n\u003cp\u003eThe dye-free formulation protects your expensive pH electrodes from reference cell contamination, while the light-blocking foil packaging ensures each sachet remains accurate for up to 5 years. With 25 sachets per box, you have enough calibration solution for regular maintenance over several months, and the Certificate of Analysis provides the documentation required for quality control and regulatory compliance.\u003c\/p\u003e\n\n\u003ch3\u003eComplete Calibration Kit\u003c\/h3\u003e\n\u003cp\u003eFor comprehensive pH meter calibration, consider pairing the HI70007G with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI70004G:\u003c\/strong\u003e pH 4.01 buffer sachets (acidic calibration point)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI70010G:\u003c\/strong\u003e pH 10.01 buffer sachets (alkaline calibration point)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI70300:\u003c\/strong\u003e pH electrode storage solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI7061:\u003c\/strong\u003e pH electrode cleaning solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e25 individually sealed 20mL sachets of pH 7.01 buffer solution\u003c\/li\u003e\n\u003cli\u003eEach sachet stamped with lot number and expiration date\u003c\/li\u003e\n\u003cli\u003eCertificate of Analysis (included with lot)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Hanna Instruments (GroLine Series)\u003cbr\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e HI70007G\u003cbr\u003e\n\u003cstrong\u003eBarcode:\u003c\/strong\u003e 606795356232\u003cbr\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Romania\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eFor best results, use with genuine Hanna pH meters and electrodes. Calibrate regularly according to your meter's user manual and your application requirements.\u003c\/em\u003e\u003c\/p\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":41054247485527,"sku":"HI70007G","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/GroLine_pH_7.01_Buffer_Sachets_20_mL_25_pcs..jpg?v=1733694328"},{"product_id":"groline-1413-us-cm-conductivity-standard-sachets-20-ml-25-pcs","title":"GroLine 1413 µS\/cm Conductivity Calibration Standard Sachets (25 x 20mL)","description":"\u003cp\u003e\u003cstrong\u003eHI70031G Premium 1413 µS\/cm Conductivity Calibration Standard\u003c\/strong\u003e – Professional-grade conductivity solution designed for hydroponics, aquaponics, greenhouses, and laboratory applications. Single-use sachets deliver convenience, accuracy, and portability for on-the-go testing.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNIST-Traceable Accuracy:\u003c\/strong\u003e Standardized with potassium chloride NIST 2202 SRM in deionized water per ISO 3696\/BS3978\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertificate of Analysis Included:\u003c\/strong\u003e Each lot documented with mean value, manufacturing date, expiration date, and SRM references\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-Use Convenience:\u003c\/strong\u003e Pre-measured 20mL sachets ensure fresh, uncontaminated solution every time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV-Protected Packaging:\u003c\/strong\u003e Light-block foil prevents degradation and maintains solution integrity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Year Shelf Life:\u003c\/strong\u003e Unopened sachets remain stable for up to 5 years from manufacture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDye-Free Formula:\u003c\/strong\u003e Won't stain pH electrode reference cells\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect for GroLine Meters:\u003c\/strong\u003e Optimized for use with GroLine testers and portable conductivity meters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductivity Value:\u003c\/strong\u003e 1413 µS\/cm at 25°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Size:\u003c\/strong\u003e 25 sachets per box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSachet Volume:\u003c\/strong\u003e 20 mL each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Romania (Hanna Instruments manufacturing facility)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Code:\u003c\/strong\u003e HI70031G\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLot Tracking:\u003c\/strong\u003e Each sachet marked with lot number and expiration date\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eIdeal for calibrating conductivity meters and testers in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHydroponic nutrient solution monitoring\u003c\/li\u003e\n\u003cli\u003eAquaponic system water quality testing\u003c\/li\u003e\n\u003cli\u003eGreenhouse irrigation management\u003c\/li\u003e\n\u003cli\u003eLaboratory analytical work\u003c\/li\u003e\n\u003cli\u003eWater treatment facilities\u003c\/li\u003e\n\u003cli\u003eAgricultural field testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality Assurance\u003c\/h3\u003e\n\u003cp\u003eManufactured using certified weight-checked balances, Class A glassware, and certified thermometers. Each batch is prepared in accordance with strict quality control protocols and supplied with comprehensive Certificate of Analysis documentation.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose Single-Use Sachets?\u003c\/h3\u003e\n\u003cp\u003eUnlike bottled calibration solutions that can degrade after opening, single-use sachets guarantee fresh, accurate calibration every time. The compact, lightweight design makes them perfect for field work, mobile testing, and situations where portability matters.\u003c\/p\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":41054259183703,"sku":"HI70031G","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/groline-1413-uscm-conductivity-standard-25-sachets-of-20-ml-hi70031g__42827.jpg?v=1718749741"},{"product_id":"groline-ph-4-01-calibration-buffer-230-ml","title":"GroLine pH 4.01 Calibration Buffer (230 mL)","description":"\u003cp\u003eHI7004-023 is a high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna's line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupplied with Certificate of Analysis\u003c\/li\u003e\n\u003cli\u003eAccuracy of +\/- 0.02 pH @ 25°C\u003c\/li\u003e\n\u003cli\u003eTemperature chart of the actual pH value at various temperatures printed on each bottle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHI7004-023 is a high quality pH 4.01 calibration buffer produced in accordance with ISO 3696\/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. Reported values are accurate to +\/- 0.02 pH @ 25\u003csup\u003e°\u003c\/sup\u003eC and are traceable to NIST Standard Reference Materials (SRMs).\u003c\/p\u003e\n\u003ch4\u003eThe HI7004-023 is supplied with Certificate of Analysis\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProduct code\u003c\/li\u003e\n\u003cli\u003eLot number\u003c\/li\u003e\n\u003cli\u003eMean lot value\u003c\/li\u003e\n\u003cli\u003eSRMs that were used\u003c\/li\u003e\n\u003cli\u003eManufacturing date\u003c\/li\u003e\n\u003cli\u003eExpiration date\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eColor coded label for easy pH buffer value identification\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEasy to identify different buffer values\u003c\/li\u003e\n\u003cli\u003eSolution does not contain any dyes that may stain the reference cell of a pH electrode \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":41054302011479,"sku":"HI7004","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/groline-ph-4-calibration-buffer-hi7004-023_box__64623.jpg?v=1718752975"},{"product_id":"groline-1413-s-cm-conductivity-standard-with-certificate-230ml-bottle","title":"GroLine 1413 µS\/cm Conductivity Standard with Certificate (230mL Bottle)","description":"\u003cp\u003eHI7031-023 is a GroLine 1,413 µS\/cm conductivity standard that is prepared against a NIST traceable potassium chloride solution and supplied with a certificate of analysis. Hanna conductivity solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna's line of conductivity standards have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupplied with Certificate of Analysis\u003c\/li\u003e\n\u003cli\u003eTemperature chart of the actual µS\/cm value at various temperatures printed on each bottle\u003c\/li\u003e\n\u003cli\u003eAir tight bottle with tamper-proof seal to ensure quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHI7031-023 is a premium quality 1,413 µS\/cm conductivity solution standardized with a conductivity meter that has been calibrated with potassium chloride NIST 2202 SRM (Standard Reference Material) in deionized water for analytical use in accordance with ISO 3696\/BS3978. Additional equipment used in preparation of the solutions include certified weight-checked balances, Class A glassware and certified thermometers.\u003c\/p\u003e\n\u003ch4\u003eThe HI7031-023 is supplied with Certificate of Analysis\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProduct code\u003c\/li\u003e\n\u003cli\u003eLot number\u003c\/li\u003e\n\u003cli\u003eMean lot value\u003c\/li\u003e\n\u003cli\u003eSRMs that were used\u003c\/li\u003e\n\u003cli\u003eManufacturing date\u003c\/li\u003e\n\u003cli\u003eExpiration date\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 id=\"docs-internal-guid-f80b73a9-327b-14ef-b8ff-99b34fcd6793\"\u003eEach bottle marked with lot number and expiration date\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHanna conductivity standards are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAir tight bottle with tamper-proof seal\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEnsures quality and freshness of solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":41054320033879,"sku":"HI7031-023","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/groline-1413-_scm-conductivity-standard-with-certificate-bottle-of-230-ml-hi7031-023__53386.jpg?v=1718755277"},{"product_id":"groline-general-purpose-cleaning-solution-230-ml","title":"GroLine General Purpose Cleaning Solution (230 mL)","description":"\u003cp\u003eHI7061-023 is the GroLine general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce inaccurate results even as they read correctly in a pH buffer. Hanna's cleaning solutions eliminate impurities and residues that are left on electrode surfaces when immersed in samples during measurement or when stored incorrectly. Hanna suggests cleaning the bulb and junction of your electrode on a regular basis to ensure that the probe is always clean and to prevent any clogging of the junction.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpecially formulated for cleaning electrodes\u003c\/li\u003e\n\u003cli\u003eAir tight seal to ensure quality\u003c\/li\u003e\n\u003cli\u003eExpiration date and lot number\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe most common cause for pH measurement inaccuracies is an unclean or improperly cleaned electrode. This is very important to note, because during calibration, the instrument assumes that the electrode is clean and that the standardization curve created during the calibration process will remain a valid reference until the next calibration. pH meters on the market today will allow an offset voltage of approximately ±60 mV. The deviation from 0 mV is not unusual but ideally should be no greater than ±30 mV. The calibration process compensates for the change in offset voltage. If the mV offset continues to deviate and the meter is calibrated with a dirty electrode then inaccurate readings will result.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=528\u0026amp;name=electrode-cleaning-illustration.gif\" alt=\"electrode-cleaning-illustration\" width=\"528\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=264\u0026amp;name=electrode-cleaning-illustration.gif 264w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=528\u0026amp;name=electrode-cleaning-illustration.gif 528w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=792\u0026amp;name=electrode-cleaning-illustration.gif 792w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=1056\u0026amp;name=electrode-cleaning-illustration.gif 1056w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=1320\u0026amp;name=electrode-cleaning-illustration.gif 1320w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/electrode-cleaning-illustration.gif?width=1584\u0026amp;name=electrode-cleaning-illustration.gif 1584w\" sizes=\"(max-width: 528px) 100vw, 528px\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan id=\"docs-internal-guid-f72f4f28-11fe-b133-ab0a-db21cdd384ef\"\u003eCleaning is a fast and effective routine that should be performed on a regular basis as a preventative measure against using a dirty electrode and to ensure that the junction is not clogged. By simply immersing the electrode in the HI7061-023 cleaning solution for 15 to 20 minutes will dissolve any mineral deposits or other coatings. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eAir tight bottle with tamper-proof seal\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEnsures quality and freshness of solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEach bottle marked with lot number and expiration date.\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHanna cleaning solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":41054783438935,"sku":"HI7061","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/groline-general-purpose-cleaning-solution-hi7061-023__49070.jpg?v=1718807961"},{"product_id":"groline-ph-7-01-calibration-buffer-230-ml","title":"GroLine pH 7.01 Calibration Buffer (230 mL)","description":"\u003cp\u003eHI7007-023 is a high quality pH 7.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna's line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupplied with Certificate of Analysis\u003c\/li\u003e\n\u003cli\u003eAccuracy of +\/- 0.02 pH @ 25°C\u003c\/li\u003e\n\u003cli\u003eTemperature chart of the actual pH value at various temperatures printed on each bottle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHI7007-023 is a high quality pH 7.01 calibration buffer produced in accordance with ISO 3696\/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. Reported values are accurate to +\/- 0.02 pH @ 25\u003csup\u003e°\u003c\/sup\u003eC and are traceable to NIST Standard Reference Materials (SRMs).\u003c\/p\u003e\n\u003ch4\u003eThe HI7007-023 is supplied with Certificate of Analysis\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProduct code\u003c\/li\u003e\n\u003cli\u003eLot number\u003c\/li\u003e\n\u003cli\u003eMean lot value\u003c\/li\u003e\n\u003cli\u003eSRMs that were used\u003c\/li\u003e\n\u003cli\u003eManufacturing date\u003c\/li\u003e\n\u003cli\u003eExpiration date\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eColor coded label for easy pH buffer value identification\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEasy to identify different buffer values\u003c\/li\u003e\n\u003cli\u003eSolution does not contain any dyes that may stain the reference cell of a pH electrode \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":41054810144855,"sku":"HI7007-023","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI7007-023_box-certificate__94139.jpg?v=1718808304"},{"product_id":"hanna-hi98100-checker-plus-ph-tester-replaceable-electrode","title":"Hanna HI98100 Checker Plus pH Tester | Replaceable Electrode","description":"\u003cp\u003e\u003cstrong\u003eSimple, accurate, and affordable pH testing with the convenience of a replaceable electrode.\u003c\/strong\u003e The Hanna HI98100 Checker\u003csup\u003e®\u003c\/sup\u003e Plus pH Tester delivers reliable ±0.2 pH accuracy in a compact, pocket-sized design, making it ideal for environmental testing, field work, and laboratory applications where quick, dependable measurements are essential.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable electrode\u003c\/strong\u003e – HI1271 tapered electrode extends tester life indefinitely with simple screw-on replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±0.2 pH accuracy\u003c\/strong\u003e – Professional-grade precision for reliable results\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional battery life\u003c\/strong\u003e – Up to 1000 hours continuous use with CR2032 Li-ion battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic calibration\u003c\/strong\u003e – One or two-point auto calibration with buffer recognition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStability indicator\u003c\/strong\u003e – On-screen icon ensures confident, stable readings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; portable\u003c\/strong\u003e – Pocket-sized design perfect for on-the-go testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete starter kit\u003c\/strong\u003e – Includes electrode, buffers, cleaning solution, storage solution, and battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable auto-off\u003c\/strong\u003e – Conserves battery life if accidentally left on\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge LCD display\u003c\/strong\u003e – Easy-to-read from any angle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the Checker\u003csup\u003e®\u003c\/sup\u003e Plus?\u003c\/h3\u003e\n\u003cp\u003eThe HI98100 Checker\u003csup\u003e®\u003c\/sup\u003e Plus bridges the gap between disposable pH testers and expensive laboratory meters. With a replaceable electrode system, you get the accuracy and longevity of a professional pH meter at a fraction of the cost. When the electrode eventually wears out, simply unscrew it and replace it—no need to buy an entirely new tester.\u003c\/p\u003e\n\n\u003ch3\u003eReplaceable Electrode Advantage\u003c\/h3\u003e\n\n\u003ch4\u003eHI1271 Tapered pH Electrode\u003c\/h4\u003e\n\u003cp\u003eThe supplied HI1271 pH electrode is specifically designed for versatility and convenience:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapered design:\u003c\/strong\u003e 103 mm long, tapering to 8 mm diameter at the sensing end\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect for small containers:\u003c\/strong\u003e Easily fits into test tubes, vials, and narrow-mouth bottles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlastic body:\u003c\/strong\u003e Durable construction significantly reduces maintenance requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-hassle replacement:\u003c\/strong\u003e Simple screw-on\/screw-off design—no tools required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis replaceable design means your investment is protected. Instead of discarding the entire tester when the electrode degrades, you simply replace the electrode and continue testing.\u003c\/p\u003e\n\n\u003ch3\u003eAdvanced Features for Confident Testing\u003c\/h3\u003e\n\n\u003ch4\u003eStability Indicator\u003c\/h4\u003e\n\u003cp\u003eAn on-screen stability indicator ensures the highest level of confidence in your results. The indicator monitors the reading and only disappears when a stable measurement is achieved, eliminating guesswork and ensuring accuracy.\u003c\/p\u003e\n\n\u003ch4\u003eAutomatic Calibration\u003c\/h4\u003e\n\u003cp\u003eThe HI98100 features automatic one or two-point calibration with buffer recognition. Simply immerse the electrode in standard buffer solutions, and the tester automatically recognizes and calibrates to the correct values.\u003c\/p\u003e\n\n\u003ch4\u003eSelectable Auto-Off\u003c\/h4\u003e\n\u003cp\u003eThe selectable auto-off feature prolongs battery life for peace of mind and energy savings if the meter is accidentally left on. Choose the setting that best fits your workflow.\u003c\/p\u003e\n\n\u003ch4\u003eExceptional Battery Life\u003c\/h4\u003e\n\u003cp\u003eThe included CR2032 Li-ion battery provides up to 1000 hours of continuous use—one of the longest battery lives in its class. A battery icon blinks on the display when it's time to change the battery, so you never miss a measurement.\u003c\/p\u003e\n\n\u003ch4\u003eLarge LCD Display\u003c\/h4\u003e\n\u003cp\u003eThe compact size makes the HI98100 Checker\u003csup\u003e®\u003c\/sup\u003e Plus ideal for on-the-go testing, while the large LCD display provides at-a-glance readings from any angle. Single-button operation streamlines the testing process for any user.\u003c\/p\u003e\n\n\u003ch3\u003eComplete Kit - Ready to Test\u003c\/h3\u003e\n\u003cp\u003eWe believe that buying a tester should be simple. Your HI98100 Checker\u003csup\u003e®\u003c\/sup\u003e Plus pH tester is equipped with everything you need for successful testing right out of the box:\u003c\/p\u003e\n\n\u003ch4\u003eHI1271 pH Electrode\u003c\/h4\u003e\n\u003cp\u003eTapered design with plastic body for versatile, low-maintenance testing.\u003c\/p\u003e\n\n\u003ch4\u003eElectrode Cleaning Solution\u003c\/h4\u003e\n\u003cp\u003eEngineered cleaning solution keeps your electrode free from buildup. This concentrated combination of detergents cleans your tester quickly and effectively so that your tester stays in optimum condition.\u003c\/p\u003e\n\n\u003ch4\u003epH 4 \u0026amp; 7 Buffer Sachets\u003c\/h4\u003e\n\u003cp\u003eWhen performing a pH calibration, it's important that the correct buffers are used. We include starter buffers to get you going. The single-use sachets are individually sealed so you use fresh buffer each time you calibrate.\u003c\/p\u003e\n\n\u003ch4\u003eStorage Solution\u003c\/h4\u003e\n\u003cp\u003eProper storage of your electrode will ensure reliable measurements and a long electrode life. 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The Checker\u003csup\u003e®\u003c\/sup\u003e Plus line represents Hanna's commitment to making professional-grade testing accessible and affordable. Trusted by professionals in over 140 countries, Hanna delivers accuracy you can count on.\u003c\/p\u003e\n\n\u003ch3\u003eWarranty \u0026amp; Support\u003c\/h3\u003e\n\u003cp\u003eThe HI98100 Checker\u003csup\u003e®\u003c\/sup\u003e Plus is backed by Hanna's quality guarantee and customer support. 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This dual measurement capability is essential for:\u003c\/p\u003e\n\n\u003ch4\u003eSwimming Pool \u0026amp; Spa Monitoring\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH:\u003c\/strong\u003e Ensures water balance for swimmer comfort and equipment protection (ideal 7.2-7.8)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eORP:\u003c\/strong\u003e Verifies sanitizer effectiveness and disinfection potential (ideal 650-750 mV for pools)\u003c\/li\u003e\n\u003cli\u003eTogether, pH and ORP provide complete water quality assessment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFood Sanitization\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH:\u003c\/strong\u003e Monitors cleaning solution acidity\/alkalinity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eORP:\u003c\/strong\u003e Confirms sanitizer strength and effectiveness for food safety compliance\u003c\/li\u003e\n\u003cli\u003eCritical for HACCP programs and health department requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWastewater Treatment\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH:\u003c\/strong\u003e Ensures proper treatment process conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eORP:\u003c\/strong\u003e Monitors oxidation\/reduction reactions and treatment effectiveness\u003c\/li\u003e\n\u003cli\u003eOptimizes chemical dosing and process control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eIndustrial Applications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlating operations:\u003c\/strong\u003e pH and ORP control for consistent plating quality\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling towers:\u003c\/strong\u003e Corrosion and scale prevention through pH\/ORP monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical processing:\u003c\/strong\u003e Redox reaction monitoring and process optimization\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUnderstanding ORP (Oxidation-Reduction Potential)\u003c\/h3\u003e\n\u003cp\u003eSimilar to pH measurement that quantifies how acidic or alkaline solutions are, ORP measurements quantify the overall state of a solution as having the ability to oxidize or reduce chemical species. ORP is measured in millivolts (mV):\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive ORP values:\u003c\/strong\u003e Indicate oxidizing conditions (chlorine, ozone, hydrogen peroxide)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNegative ORP values:\u003c\/strong\u003e Indicate reducing conditions (antioxidants, reducing agents)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigher ORP in pools:\u003c\/strong\u003e Indicates stronger sanitizer effectiveness and better disinfection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe HI98121 uses a platinum ORP sensor—a noble metal that is chemically inert and promotes rapid electron exchange for accurate, stable ORP measurements.\u003c\/p\u003e\n\n\u003ch3\u003eAdvanced Features for Professional Use\u003c\/h3\u003e\n\n\u003ch4\u003eWaterproof \u0026amp; Floating Design\u003c\/h4\u003e\n\u003cp\u003eIP67 waterproof rating protects against water immersion, while the floating design ensures that if you accidentally drop the tester in a pool, tank, or water body, it won't sink—simply retrieve it from the surface and continue testing.\u003c\/p\u003e\n\n\u003ch4\u003eReplaceable HI73127 pH Electrode\u003c\/h4\u003e\n\u003cp\u003eThe included HI73127 pH electrode features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtractable cloth junction:\u003c\/strong\u003e Can be renewed by pulling out to expose fresh material\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlass body:\u003c\/strong\u003e Chemically resistant and quick to reach thermal equilibrium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy replacement:\u003c\/strong\u003e Simple screw-on design when replacement is needed\u003c\/li\u003e\n\u003cli\u003eExtends tester life indefinitely—replace electrode instead of entire meter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFixed Platinum ORP Sensor\u003c\/h4\u003e\n\u003cp\u003eThe built-in ORP sensor uses pure platinum for optimal performance:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFactory calibrated for immediate use\u003c\/li\u003e\n\u003cli\u003eHigh exchange current density for rapid response\u003c\/li\u003e\n\u003cli\u003eChemically inert—won't oxidize or reduce\u003c\/li\u003e\n\u003cli\u003eDurable construction for long-term reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAutomatic Temperature Compensation (ATC)\u003c\/h4\u003e\n\u003cp\u003eBuilt-in temperature sensor provides automatic temperature compensation for pH readings, ensuring accuracy across the temperature range of -5.0 to 60.0°C (23.0 to 140.0°F). Temperature is displayed simultaneously with pH and ORP.\u003c\/p\u003e\n\n\u003ch4\u003eFlexible pH Calibration\u003c\/h4\u003e\n\u003cp\u003eAutomatic one or two-point calibration with two selectable buffer sets:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuffer Set 1:\u003c\/strong\u003e pH 4.01, 7.01, 10.01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuffer Set 2:\u003c\/strong\u003e pH 4.01, 6.86, 9.18\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eChoose the buffer set that best matches your application requirements.\u003c\/p\u003e\n\n\u003ch4\u003eHOLD Feature\u003c\/h4\u003e\n\u003cp\u003eThe HOLD button freezes the reading on the display, making it easy to record measurements in challenging environments or when you need to document results.\u003c\/p\u003e\n\n\u003ch3\u003eLightweight \u0026amp; Ergonomic Design\u003c\/h3\u003e\n\u003cp\u003eAt just 100g (3.5 oz), the HI98121 is lightweight and ergonomically designed for comfortable handheld use. The compact size (163 × 40 × 26 mm) makes it easy to carry and use anywhere.\u003c\/p\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSwimming pools and spas (pH and chlorine monitoring)\u003c\/li\u003e\n\u003cli\u003eAquariums and aquaculture (water quality management)\u003c\/li\u003e\n\u003cli\u003eFood and beverage sanitization (HACCP compliance)\u003c\/li\u003e\n\u003cli\u003eWastewater treatment (process monitoring and control)\u003c\/li\u003e\n\u003cli\u003eCooling tower water treatment (corrosion prevention)\u003c\/li\u003e\n\u003cli\u003ePlating operations (bath monitoring)\u003c\/li\u003e\n\u003cli\u003eIndustrial process control (redox reactions)\u003c\/li\u003e\n\u003cli\u003eEnvironmental monitoring (water quality assessment)\u003c\/li\u003e\n\u003cli\u003eLaboratory and research (general pH\/ORP testing)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComplete Kit - Ready to Test\u003c\/h3\u003e\n\u003cp\u003eThe HI98121 arrives with everything needed for immediate pH and ORP testing:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHI98121 pH\/ORP\/Temperature tester with floating design\u003c\/li\u003e\n\u003cli\u003eHI73127 replaceable pH electrode\u003c\/li\u003e\n\u003cli\u003eHI73128 electrode removal tool\u003c\/li\u003e\n\u003cli\u003epH 4.01 buffer solution sachet (20 mL)\u003c\/li\u003e\n\u003cli\u003epH 7.01 buffer solution sachet (20 mL)\u003c\/li\u003e\n\u003cli\u003eHI70022 470 mV ORP test solution sachets (2 × 20 mL)\u003c\/li\u003e\n\u003cli\u003eHI70300N storage solution sachet (20 mL)\u003c\/li\u003e\n\u003cli\u003eHI700601 electrode cleaning solution sachet (20 mL)\u003c\/li\u003e\n\u003cli\u003e1.5V AAA batteries (4 pcs.)\u003c\/li\u003e\n\u003cli\u003eInstrument quality certificate\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI98121\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-2.00 to 16.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Accuracy (@25°C\/77°F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.05 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, one or two-point with two buffer sets (pH 4.01\/7.01\/10.01 or 4.01\/6.86\/9.18)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Temperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic (ATC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eORP Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±1000 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eORP Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eORP Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eORP Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFactory calibrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-5.0 to 60.0°C \/ 23.0 to 140.0°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C \/ 0.1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5°C \/ ±1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Electrode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI73127 replaceable pH electrode (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eORP Electrode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFixed platinum ORP sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP67 (waterproof and floats)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic Shut-Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAuto-off after 8 minutes of non-use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type \/ Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5V AAA (4) \/ Approximately 250 hours continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-5 to 50°C (23 to 122°F); RH max 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e163 × 40 × 26 mm (6.4 × 1.6 × 1.0\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 g (3.5 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eTypical ORP Values by Application\u003c\/h3\u003e\n\n\u003ch4\u003eSwimming Pools\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal range:\u003c\/strong\u003e 650-750 mV (indicates effective chlorine sanitization)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum:\u003c\/strong\u003e 650 mV (health department requirement in many jurisdictions)\u003c\/li\u003e\n\u003cli\u003eHigher ORP = better disinfection and pathogen control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eDrinking Water\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical range:\u003c\/strong\u003e 200-400 mV (chlorinated municipal water)\u003c\/li\u003e\n\u003cli\u003ePositive ORP indicates oxidizing disinfectants present\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWastewater Treatment\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerobic treatment:\u003c\/strong\u003e +100 to +400 mV (oxidizing conditions)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnaerobic treatment:\u003c\/strong\u003e -100 to -300 mV (reducing conditions)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReplacement Parts \u0026amp; Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI73127:\u003c\/strong\u003e Replacement pH electrode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI70004P:\u003c\/strong\u003e pH 4.01 buffer solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI70007P:\u003c\/strong\u003e pH 7.01 buffer solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI70010P:\u003c\/strong\u003e pH 10.01 buffer solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI70022:\u003c\/strong\u003e 470 mV ORP test solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI70300:\u003c\/strong\u003e Storage solution for pH \u0026amp; ORP electrodes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI700601:\u003c\/strong\u003e Electrode cleaning solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the HI98121?\u003c\/h3\u003e\n\u003cp\u003eThe HI98121 is the only waterproof, floating combo meter in its class that measures pH, ORP, and temperature simultaneously. The replaceable pH electrode design protects your investment, while the factory-calibrated platinum ORP sensor ensures accurate oxidation-reduction measurements right out of the box. Whether you're a pool professional, food safety manager, wastewater operator, or industrial technician, the HI98121 delivers the accuracy, reliability, and convenience you need.\u003c\/p\u003e\n\n\u003ch3\u003eEconomical Professional Solution\u003c\/h3\u003e\n\u003cp\u003eGet professional-grade accuracy for both pH and ORP in a single, affordable meter. The HI98121 eliminates the need to purchase separate pH and ORP meters, saving you money while providing comprehensive water chemistry monitoring.\u003c\/p\u003e\n\n\u003ch3\u003eWarranty \u0026amp; Support\u003c\/h3\u003e\n\u003cp\u003eThe HI98121 pH\/ORP\/Temperature Tester is backed by Hanna's quality guarantee and customer support. For technical assistance, calibration questions, or replacement parts, our expert team is ready to help.\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41334062350423,"sku":"HI98121","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/combo-ph-orp-meter-Best-Seller-hi98121__24825.jpg?v=1730051251"},{"product_id":"hanna-hi1285-5-ph-ec-tds-probe","title":"Hanna HI1285-5 pH\/EC\/TDS Multiparameter Probe | 3-in-1 Pre-Amplified Sensor | DIN Connector","description":"\u003cp\u003eThe HI1285-5 is a 3-in-1 pre-amplified multiparameter probe that measures pH, EC\/TDS, and temperature within a single polypropylene body. The pH portion of this probe is constructed with a cloth junction, maintenance-free polymer gel electrolyte, and a low-temperature glass sensing bulb. The EC\/TDS portion of this probe utilizes two stainless steel pins for an amperometric determination of conductivity and total dissolved solids. A built-in temperature sensor ensures that both pH and EC\/TDS readings are compensated for temperature variations in both standards and samples. The design consideration for the HI1285-5 is ideal for measuring the pH, EC\/TDS, and temperature in greenhouses, hydroponics, environmental monitoring, water treatment, and boilers and cooling towers. The HI1285-5 is designed for use with Hanna's HI9813-5, HI9812-5, and HI9811-5 portable multiparameter meters.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePre-amplified pH electrode\u003c\/li\u003e\n\u003cli\u003eAmperometric EC\/TDS sensor\u003c\/li\u003e\n\u003cli\u003eBuilt-in temperature sensor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y align-right\"\u003e\n\u003cdiv class=\"cell small-12  border-after--blue-wide\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003eHanna Instruments offers a wide variety of electrodes that are designed for many different applications. The sensing material, body material, and connection type used are just some of the design considerations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto small-order-1 large-order-2\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/HI1285-6.jpg?width=418\u0026amp;name=HI1285-6.jpg\" alt=\"HI1285-6\" width=\"357\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/HI1285-6.jpg?width=209\u0026amp;name=HI1285-6.jpg 209w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/HI1285-6.jpg?width=418\u0026amp;name=HI1285-6.jpg 418w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/HI1285-6.jpg?width=627\u0026amp;name=HI1285-6.jpg 627w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/HI1285-6.jpg?width=836\u0026amp;name=HI1285-6.jpg 836w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/HI1285-6.jpg?width=1045\u0026amp;name=HI1285-6.jpg 1045w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/HI1285-6.jpg?width=1254\u0026amp;name=HI1285-6.jpg 1254w\" sizes=\"(max-width: 418px) 100vw, 418px\" height=\"357\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-details=\"\" class=\"cell small-12 large-auto small-order-2 large-order-1\"\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003ePre-Amplified pH Electrode\u003c\/h4\u003e\n\u003cp\u003eThe pH electrode circuit has a built-in amplifier that serves to reduce the effects of electrical noise on the high impedance-pH measurement. Electrical noise can come from motors and pumps that are common in greenhouses. The single reference junction design of the pH electrode has a cloth junction that allows ion movement between the inner gel electrolyte and the sample being measured. The advantage of the cloth junction is that it can be extracted from the probe, exposing a fresh surface when readings become drifty or erratic. These features make this probe ideal for use in fertilizer solutions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eAmperometric EC\/TDS Sensor\u003c\/h4\u003e\n\u003cp\u003eEC\/TDS readings are performed by a two-pin amperometric sensor. An alternating voltage is applied to the sensor and the amount of current that passes between the two stainless steel pins determines the amount of dissolved ionic solids present.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eBuilt-In Temperature Sensor\u003c\/h4\u003e\n\u003cp\u003epH and EC\/TDS readings must be temperature compensated in order to obtain accurate results. The built-in temperature sensor of the HI1285-5 provides a speedy temperature reading which is then used to adjust the pH and EC\/TDS results accordingly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003ePolypropylene Body\u003c\/h4\u003e\n\u003cp\u003eThe polypropylene body of the HI1285-5 houses all three sensors within a sturdy, single body design. This body material is suitable for a wide range of applications and excels in measurements with portable meters due to its durability. The fins around the spherical glass pH bulb minimizes breakage due to accidental bumping or dropping of the electrode. The polypropylene plastic is a high-quality plastic that is chemically resistant to many aggressive chemicals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eDIN Connector\u003c\/h4\u003e\n\u003cp\u003eThe HI1285-5 uses a DIN connector. This type of connector is generally proprietary to the meters they are supplied with and may not be interchangeable. The HI1285-5 is designed for use with Hanna’s HI9813-5, HI9812-5, and HI9811-5 portable multiparameter meters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41334064873559,"sku":"HI1285-5","price":174.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/hi1285-5_2100x2100_300_cmyk__68427.jpg?v=1730051734"},{"product_id":"hanna-hi1286-economy-ph-electrode","title":"HI1286 Economy pH Electrode | PEI Body | BNC Connector | Hanna Instruments","description":"\u003ch2\u003eAffordable, Durable pH Electrode for General Purpose Testing\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHanna Instruments HI1286 Economy pH Electrode\u003c\/strong\u003e delivers reliable pH measurement at an affordable price point. Featuring a durable polyetherimide (PEI) plastic body and spherical glass tip, the HI1286 is ideal for general purpose pH testing in laboratories, field applications, aquariums, hydroponics, and water quality monitoring.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable PEI Body:\u003c\/strong\u003e Shatter-resistant plastic construction protects against accidental breakage and drops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal BNC Connector:\u003c\/strong\u003e Compatible with any pH meter featuring a female BNC probe input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Suitable for samples from 0 to 80°C (32 to 176°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePTFE Junction:\u003c\/strong\u003e Hydrophobic junction resists clogging and chemical attack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble Junction Design:\u003c\/strong\u003e Prevents silver contamination in sensitive samples\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpherical Glass Tip:\u003c\/strong\u003e Large surface area ensures fast, accurate response in aqueous solutions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp\u003ePerfect for general purpose pH testing in laboratories, field measurements, aquariums, hydroponics systems, water quality monitoring, wastewater treatment, food and beverage testing, and educational settings where durability and affordability are essential.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HI1286\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Polyetherimide (PEI) plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlass Tip:\u003c\/strong\u003e Spherical shape for aqueous samples\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJunction Type:\u003c\/strong\u003e PTFE (polytetrafluoroethylene)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Double junction Ag\/AgCl\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e 0 to 80°C (32 to 176°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e Universal BNC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e General purpose aqueous solutions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdvanced Design Features\u003c\/h3\u003e\n\n\u003ch4\u003ePEI Plastic Body\u003c\/h4\u003e\n\u003cp\u003eThe HI1286 features a polyetherimide (PEI) resin body that offers exceptional durability for field and laboratory use. Unlike fragile glass-bodied electrodes, the PEI construction withstands accidental bumping and dropping. The protective shielding around the spherical glass tip minimizes breakage while maintaining measurement accuracy. PEI is chemically resistant to many aggressive chemicals, making this electrode suitable for a wide range of applications.\u003c\/p\u003e\n\n\u003ch4\u003ePTFE Junction\u003c\/h4\u003e\n\u003cp\u003eThe porous polytetrafluoroethylene (PTFE) junction is hydrophobic and chemically resistant, making it ideal for industrial applications and samples containing oils or organic solvents. The PTFE material resists clogging better than ceramic junctions, ensuring longer electrode life and more consistent measurements.\u003c\/p\u003e\n\n\u003ch4\u003eDouble Junction Reference\u003c\/h4\u003e\n\u003cp\u003eThe double junction design features an internal compartment surrounding the Ag\/AgCl reference wire. Silver ions remain in the internal electrolyte compartment, while the outer electrolyte is silver-free. This prevents silver contamination in your samples and eliminates silver precipitate formation on the junction, which is especially important when measuring samples containing proteins, sulfides, or other compounds that react with silver.\u003c\/p\u003e\n\n\u003ch4\u003eUniversal BNC Connector\u003c\/h4\u003e\n\u003cp\u003eThe HI1286 uses a standard BNC connector, making it compatible with virtually any pH meter featuring a female BNC probe input. This universal compatibility makes the HI1286 an excellent replacement electrode for meters from multiple manufacturers, unlike proprietary connectors (DIN, screw type, T-type, 3.5mm) that limit compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eProfessional Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShatter-resistant PEI plastic body for field durability\u003c\/li\u003e\n\u003cli\u003eSpherical glass tip with large surface area for fast response\u003c\/li\u003e\n\u003cli\u003ePTFE junction resists clogging and chemical attack\u003c\/li\u003e\n\u003cli\u003eDouble junction prevents silver contamination\u003c\/li\u003e\n\u003cli\u003eUniversal BNC connector for broad meter compatibility\u003c\/li\u003e\n\u003cli\u003eWide temperature range (0-80°C) for versatile applications\u003c\/li\u003e\n\u003cli\u003eChemically resistant construction for aggressive samples\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHI1286 pH Electrode with BNC connector\u003c\/li\u003e\n\u003cli\u003eProtective cap\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Romania by Hanna Instruments - trusted worldwide for precision pH measurement solutions.\u003c\/em\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41334105210967,"sku":"HI1286","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/ph-electrode-economy-pei--HI1286__04124.1570465195.1280.1280.jpg?v=1730054600"},{"product_id":"hanna-hi98304-dist-4-ec-tester-waterproof-conductivity-meter","title":"Hanna HI98304 DiST 4 EC Tester - Waterproof High Range Conductivity Meter 0-20 mS\/cm","description":"\u003cp\u003eThe Hanna Instruments HI98304 DiST\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003e4 is a high-range electrolytic conductivity (EC) tester that can measure up to 20.00 mS\/cm making it ideal for a variety of applications including water treatment, boilers and cooling towers, agricultural including hydroponics, and general laboratory use. The DiST\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003e4 is a rugged and reliable pocket-sized tester for use in the lab or field. This modern looking meter is only 0.7\" thick and extremely ergonomic, fitting comfortably in your hand. This tester keeps things simple with a two-button operation; one for ON\/OFF, the other for calibration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLarge Multi-level LCD\u003c\/li\u003e\n\u003cli\u003eExposed Temperature Probe for Fast Response\u003c\/li\u003e\n\u003cli\u003eSimple Two-Button Operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe DiST\u003c\/span\u003e\u003csup\u003e®\u003cspan\u003e \u003c\/span\u003e\u003c\/sup\u003e\u003cspan\u003e4 features a large multi-level LCD which displays both conductivity and temperature readings simultaneously. The EC readings are displayed with a 0.01 mS\/cm resolution and with an accuracy of ±2% full scale. The EC range of the HI98304 is from 0.00 to 20.00 mS\/cm. An exposed temperature sensor allows for rapid automatic temperature compensated conductivity measurements. Temperature can be set to display in ℃ or ℉. The LCD screen has stability and calibration tag indicators. The battery percent level is displayed at start up alerting the user to the remaining battery power that is available.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eConductivity readings are performed by an amperometric graphite electrode that resists oxidation, providing better repeatability in measurements. The use of graphite also reduces the polarization effect common with amperometric testers that use two stainless steel pins.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCalibration is performed by pressing the dedicated calibration button. Once in calibration mode submerge the probe in 12.88 mS\/cm calibration standard. When the standard value is recognized and stability reached, the meter will automatically accept and store the calibration value.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eSetup options include automatic shut-off timing and temperature unit displayed. Automatic shut-off options are to turn the meter off after 8 minutes, 60 minutes, or disabled. To enter the setup mode the user presses a button located in the battery compartment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv data-hs-cos-type=\"module\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" id=\"hs_cos_wrapper_widget_1563215317608\"\u003e\n\u003csection class=\"banner--product-features\"\u003e\n\u003cdiv class=\"grid-container features-container\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x align-center feature-block-list\"\u003e\n\u003cdiv class=\"cell small-12 large-10\"\u003e\n\u003ch2 class=\"section-header text-center\"\u003eOverview\u003c\/h2\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y small-up-1 medium-up-2 large-up-3\"\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"lcd-hi98304\" src=\"https:\/\/www.hannainst.com\/hubfs\/lcd-hi98304.jpg\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header h4\"\u003eMulti-Level LCD\u003c\/span\u003eThe large LCD displays EC, temperature, calibration tag, battery level and instability indicator.\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"sensors-hi98304\" src=\"https:\/\/www.hannainst.com\/hubfs\/sensors-hi98304.jpg\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header h4\"\u003eExposed Temperature Probe\u003c\/span\u003eAn exposed temperature probe allows for an extremely fast and stable EC measurement.\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"two-buttons-hi98304\" src=\"https:\/\/www.hannainst.com\/hubfs\/two-buttons-hi98304.jpg\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header h4\"\u003eTwo-Button Operation\u003c\/span\u003eOnly two buttons for meter operation. One for on\/off and one for calibration.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv data-hs-cos-type=\"module\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" id=\"hs_cos_wrapper_widget_1563215366559\"\u003e\n\u003csection class=\"banner--product-col2-details grid-container\"\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y align-right\"\u003e\n\u003cdiv class=\"cell small-12\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch3\u003eFeatures and Benefits\u003c\/h3\u003e\n\u003ch4\u003eSlim, Ergonomic Design\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eWith rounded edges and a case that is only 17 mm (0.7”) thick, the HI98304 is thin and fits comfortably in the hand or pocket.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eLarge Multi-level LCD\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThe LCD is 29 mm (1.125”) x 20 mm (0.81”) allowing the user to easily read both EC and temperature simultaneously.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTwo-button Operation\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOne for ON\/OFF, the other for calibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eExposed Temperature Sensor\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eExposed temperature sensor allows for quick Automatic Temperature Compensated measurements. Temperature can be displayed in either\u003cspan\u003e \u003c\/span\u003e\u003csup\u003eo\u003c\/sup\u003eC or\u003cspan\u003e \u003c\/span\u003e\u003csup\u003eo\u003c\/sup\u003eF.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eGraphite Sensor\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eReduces polarization effects and does not oxidize resulting in a reliable and accurate reading.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cell small-12 large-auto\" data-details=\"\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\" data-detail-item=\"\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eAutomatic Calibration\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatic calibration at 12.88 mS\/cm with a single push of a button.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStability Indicator\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eA clock tag stability indicator will disappear to alert the user when the reading is stable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAutomatic Shut-off\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eUser-selectable time until meter shuts off to conserve battery life. Options are 8 min, 60 min or disabled.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eLow Battery Indicator\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLow battery indicator that is displayed when less than 10% battery life is remaining.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBattery % Level at Startup\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eAt start-up, all the LCD segments are displayed for 1 second, then the percent indication of the remaining battery life is displayed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41348197318743,"sku":"HI98304","price":79.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/dist4-cover-hi98304__09792.jpg?v=1730830214"},{"product_id":"groline-hi981413-nutrient-dosing-system","title":"Hanna GroLine HI981413-00 Nutrient Dosing System - Automated EC Controller with Probe","description":"\u003ch2\u003eHanna GroLine HI981413-00 Nutrient Dosing System - Automated EC\/TDS Control for Hydroponics\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHanna GroLine HI981413-00 Nutrient Dosing System\u003c\/strong\u003e is engineered for maintaining precise fertilizer concentration in hydroponic nutrient solutions and irrigation water. This automated controller continuously monitors EC\/TDS levels and doses nutrients automatically to maintain optimal growing conditions. Simply insert the probe and injection valve in-line with your recirculation pump, provide the chemical to be dosed, and let the system maintain perfect nutrient levels 24\/7.\u003c\/p\u003e\n\n\u003ch3\u003eComplete Automated Dosing Solution\u003c\/h3\u003e\n\u003cp\u003eThe HI981413-00 arrives as a complete system with built-in peristaltic pump, HI30033 EC\/TDS\/temperature probe, calibration solutions, and everything needed for immediate installation. Perfect for small to medium hydroponics systems, greenhouses, and irrigation applications where consistent nutrient concentration is critical for successful plant propagation and growth.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomated Nutrient Control:\u003c\/strong\u003e Maintains precise EC\/TDS levels without manual intervention\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Peristaltic Pump:\u003c\/strong\u003e Powerful stepper motor design with no gears or brushes for long life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProportional Control:\u003c\/strong\u003e Advanced dosing algorithm prevents overshooting set points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Flow Rate:\u003c\/strong\u003e 0.5 to 3.5 L\/h (0.13 to 0.92 gal\/h) for precise dosing control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulticolored LCD Display:\u003c\/strong\u003e Green for normal operation, red for alarm states\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP65 Rated Enclosure:\u003c\/strong\u003e Wall-mounted design withstands humid grow environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Configurations:\u003c\/strong\u003e Easy integration into existing setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdvanced Dosing Pump Features\u003c\/h3\u003e\n\n\u003ch4\u003ePeristaltic Dosing Pump\u003c\/h4\u003e\n\u003cp\u003eThe powerful built-in peristaltic pump uses a stepper motor which does not have any gears or brushes, providing long operational life with minimal maintenance. The pump is integrated directly into the IP65-rated wall-mounted enclosure for a compact, all-in-one solution.\u003c\/p\u003e\n\n\u003ch4\u003eAutomatic Proportional Pump Control\u003c\/h4\u003e\n\u003cp\u003eThe peristaltic dosing pump can be controlled by simple on\/off or more advanced proportional control which helps prevent overshooting of the set point. This intelligent dosing algorithm ensures smooth, gradual adjustments to nutrient concentration without sudden spikes.\u003c\/p\u003e\n\n\u003ch4\u003eAdjustable Flow Rate\u003c\/h4\u003e\n\u003cp\u003eThe dosing pump flow rate is adjustable from 0.5 to 3.5 L\/h (0.13 to 0.92 gal\/h), allowing for better control in maintaining a desired set point. Manual control mode enables pump priming for initial setup and maintenance.\u003c\/p\u003e\n\n\u003ch4\u003eTank Level\/Flow Switch Input\u003c\/h4\u003e\n\u003cp\u003eA connection to an optional level controller or flow switch provides safety interlocks. This galvanically isolated input can be used to disable the dosing pump when there is no chemical left in the reservoir tank or there is no flow due to the recirculation pump being turned off.\u003c\/p\u003e\n\n\u003ch3\u003eIntelligent Monitoring \u0026amp; Alarms\u003c\/h3\u003e\n\n\u003ch4\u003eMulticolored LCD Display\u003c\/h4\u003e\n\u003cp\u003eThe multi-colored LCD provides instant visual status feedback. The display shows green when operating normally and red while in an alarm state, allowing you to assess system status from across the room.\u003c\/p\u003e\n\n\u003ch4\u003eProgrammable Alarm System\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh\/Low Alarms:\u003c\/strong\u003e Triggered after 5 seconds of consecutive readings over\/under threshold values\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLevel Alarm:\u003c\/strong\u003e Alerts when chemical reservoir is empty (with optional level controller)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvertime Protection:\u003c\/strong\u003e Adjustable from 1 to 180 minutes or off to prevent excessive dosing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Relay Output:\u003c\/strong\u003e SPDT 2.5A \/ 230 VAC for external alarm devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor-Coded Backlight:\u003c\/strong\u003e Intuitive red, light green, and green color system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHI30033 EC\/Temperature Probe\u003c\/h3\u003e\n\u003cp\u003eThe included HI30033 amplified probe incorporates both EC (TDS) and temperature sensors in a single waterproof Quick Connect DIN connector. The probe features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePVDF Body:\u003c\/strong\u003e Durable polyvinylidene fluoride construction resistant to chemicals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/2\" Threaded Fitting:\u003c\/strong\u003e For insertion into in-line \"T\" fitting or flow cell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Connect DIN:\u003c\/strong\u003e Waterproof seal reduces electrical noise in humid environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanically Isolated:\u003c\/strong\u003e Prevents ground loop interference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplified Design:\u003c\/strong\u003e Reduces signal degradation over cable length\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003ch4\u003eEC\/TDS Measurement\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 10.00 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Accuracy (@25°C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0-4500 ppm (0.45 CF) \/ 0-9900 ppm (0.99 CF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Accuracy (@25°C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Conversion Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelectable from 0.45 to 0.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eTemperature Measurement\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-5.0 to 105.0°C \/ 23.0 to 221.0°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C \/ 0.1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy (@25°C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5°C \/ ±0.9°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Coefficient\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eβ adjustable 0-2.4%\/°C (default 1.9%\/°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eCalibration Options\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC User Calibration:\u003c\/strong\u003e Automatic one-point with standard solution (1.413 or 5.000 mS\/cm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Calibration:\u003c\/strong\u003e Single point, adjustable (±0.50 mS\/cm around measured value)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTDS Calibration:\u003c\/strong\u003e Through EC calibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSystem Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI981413-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump Flow Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 to 3.5 L\/h (0.13 to 0.92 gal\/h), adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOn\/off or proportional with manual priming mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExternal Event Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLevel controller or flow switch (galvanically isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm Relay Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSPDT 2.5A \/ 230 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100-240 VAC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP65 (wall-mounted with built-in pump)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0-50°C (32-122°F); RH max 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90 x 142 x 80 mm (3.5 x 5.6 x 1.8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e910 g (32 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHI981413-00 nutrient dosing controller with built-in peristaltic pump\u003c\/li\u003e\n\u003cli\u003eHI30033 EC\/TDS\/temperature probe with Quick Connect DIN connector\u003c\/li\u003e\n\u003cli\u003eConductivity calibration solution sachets (3 x 20 mL)\u003c\/li\u003e\n\u003cli\u003ePower connection cable (100-240 VAC)\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003cli\u003eQuality certificates for instrument and probe\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSmall to medium hydroponic systems\u003c\/li\u003e\n\u003cli\u003eGreenhouse nutrient management\u003c\/li\u003e\n\u003cli\u003eAquaponic systems\u003c\/li\u003e\n\u003cli\u003eIrrigation water fertilization\u003c\/li\u003e\n\u003cli\u003eNursery and propagation facilities\u003c\/li\u003e\n\u003cli\u003eResearch and educational applications\u003c\/li\u003e\n\u003cli\u003eCommercial grow operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the GroLine HI981413-00?\u003c\/h3\u003e\n\u003cp\u003eEngineered by Hanna Instruments specifically for automated nutrient management, the HI981413-00 delivers professional-grade dosing control in a compact, wall-mounted package. The combination of proportional pump control, programmable alarms, and robust construction makes it ideal for growers who demand precision and reliability. The built-in peristaltic pump eliminates the need for external dosing equipment, while the IP65-rated enclosure ensures long-term durability in humid grow environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Hanna Instruments (GroLine Series)\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Romania\u003cbr\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e HI981413-00\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41351556464727,"sku":"HI981413-00","price":459.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI981413-720x720__99616.1585059930.1280.1280.jpg?v=1730998836"},{"product_id":"groline-hi981412-ph-dosing-system","title":"Hanna GroLine HI981412-00 pH Dosing System - Automated pH Controller with HI10063 Probe","description":"\u003ch2\u003eHanna GroLine HI981412-00 pH Dosing System - Automated pH Control for Pools, Aquaculture \u0026amp; Water Treatment\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHanna GroLine HI981412-00 pH Dosing System\u003c\/strong\u003e is a professional-grade automated pH controller engineered for precise pH management in swimming pools, aquaculture, hydroponics, and water treatment applications. This complete system continuously monitors pH levels and automatically doses acid or base to maintain optimal water chemistry 24\/7, eliminating manual testing and adjustment while ensuring consistent, accurate pH control.\u003c\/p\u003e\n\n\u003ch3\u003eComplete Automated pH Control Solution\u003c\/h3\u003e\n\u003cp\u003eThe HI981412-00 arrives as a complete system with built-in peristaltic dosing pump, HI10063 industrial pH probe, controller, and all necessary components for immediate installation. Simply mount the controller, install the probe in-line, connect to your chemical reservoir, program your setpoint, and let the system maintain perfect pH automatically.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomated pH Control:\u003c\/strong\u003e Continuous monitoring and automatic dosing—no manual testing required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Peristaltic Pump:\u003c\/strong\u003e Powerful stepper motor design with no gears or brushes for long life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProportional Control:\u003c\/strong\u003e Advanced dosing algorithm prevents overshooting set points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Flow Rate:\u003c\/strong\u003e 0.5 to 3.5 L\/h (0.13 to 0.92 gal\/h) for precise dosing control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial HI10063 Probe:\u003c\/strong\u003e Rugged pH probe designed for continuous monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable Alarms:\u003c\/strong\u003e Visual and audible alerts for out-of-range conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP65 Rated Enclosure:\u003c\/strong\u003e Wall-mounted design withstands humid environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24\/7 Operation:\u003c\/strong\u003e Built for continuous operation in demanding commercial applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdvanced Dosing Pump Features\u003c\/h3\u003e\n\n\u003ch4\u003ePeristaltic Dosing Pump\u003c\/h4\u003e\n\u003cp\u003eThe powerful built-in peristaltic pump uses a stepper motor which does not have any gears or brushes, providing long operational life with minimal maintenance. The pump is integrated directly into the IP65-rated wall-mounted enclosure for a compact, all-in-one solution.\u003c\/p\u003e\n\n\u003ch4\u003eAutomatic Proportional Pump Control\u003c\/h4\u003e\n\u003cp\u003eThe peristaltic dosing pump features advanced proportional control which helps prevent overshooting of the pH set point. This intelligent dosing algorithm ensures smooth, gradual adjustments without sudden pH swings that can stress aquatic life or damage equipment.\u003c\/p\u003e\n\n\u003ch4\u003eAdjustable Flow Rate\u003c\/h4\u003e\n\u003cp\u003eThe dosing pump flow rate is adjustable from 0.5 to 3.5 L\/h (0.13 to 0.92 gal\/h), allowing for precise control in maintaining your desired pH setpoint. Manual control mode enables pump priming for initial setup and maintenance.\u003c\/p\u003e\n\n\u003ch4\u003eTank Level\/Flow Switch Input\u003c\/h4\u003e\n\u003cp\u003eA connection to an optional level controller or flow switch provides safety interlocks. This galvanically isolated input can be used to disable the dosing pump when there is no chemical left in the reservoir tank or there is no flow due to the circulation pump being turned off.\u003c\/p\u003e\n\n\u003ch3\u003eIntelligent Monitoring \u0026amp; Alarms\u003c\/h3\u003e\n\n\u003ch4\u003eMulticolored LCD Display\u003c\/h4\u003e\n\u003cp\u003eThe multi-colored LCD provides instant visual status feedback. The display shows green when operating normally and red while in an alarm state, allowing you to assess system status from across the room.\u003c\/p\u003e\n\n\u003ch4\u003eProgrammable Alarm System\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh\/Low pH Alarms:\u003c\/strong\u003e Triggered after 5 seconds of consecutive readings over\/under threshold values\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLevel Alarm:\u003c\/strong\u003e Alerts when chemical reservoir is empty (with optional level controller)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvertime Protection:\u003c\/strong\u003e Adjustable from 1 to 180 minutes or off to prevent excessive dosing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Relay Output:\u003c\/strong\u003e SPDT 2.5A \/ 230 VAC for external alarm devices or system shutdown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor-Coded Backlight:\u003c\/strong\u003e Intuitive red, light green, and green color system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHI10063 Industrial pH Probe\u003c\/h3\u003e\n\u003cp\u003eThe included HI10063 is an industrial-grade pH probe designed for continuous monitoring in demanding applications. Key features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Construction:\u003c\/strong\u003e Built to withstand harsh pool, aquaculture, and industrial environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGel-Filled Reference:\u003c\/strong\u003e Provides stable, accurate readings with minimal maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Connect DIN:\u003c\/strong\u003e Waterproof seal reduces electrical noise in humid environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanically Isolated:\u003c\/strong\u003e Prevents ground loop interference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide pH Range:\u003c\/strong\u003e 0 to 14 pH for diverse water treatment applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Compensation:\u003c\/strong\u003e Automatic for accurate readings across temperature variations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\n\u003ch4\u003eSwimming Pool pH Control\u003c\/h4\u003e\n\u003cp\u003eMaintain optimal pH (7.2-7.8) automatically in residential and commercial pools. Prevents corrosion, scaling, and ensures effective chlorine sanitization while reducing chemical costs and labor.\u003c\/p\u003e\n\n\u003ch4\u003eAquaculture pH Management\u003c\/h4\u003e\n\u003cp\u003eCritical for fish farms, hatcheries, and aquaponics systems where stable pH is essential for aquatic health. Automated control prevents pH swings that stress or harm fish and other aquatic organisms.\u003c\/p\u003e\n\n\u003ch4\u003eHydroponic Nutrient Solutions\u003c\/h4\u003e\n\u003cp\u003eMaintains optimal pH for nutrient uptake in hydroponic and greenhouse systems. Consistent pH ensures maximum nutrient availability and plant health.\u003c\/p\u003e\n\n\u003ch4\u003eWater Treatment Plants\u003c\/h4\u003e\n\u003cp\u003eAutomates pH adjustment in municipal water treatment, wastewater treatment, cooling towers, and industrial process water applications.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003ch4\u003epH Measurement\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 14.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Accuracy (@25°C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.05 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic 1 or 2-point (pH 4.01, 7.01, 10.01)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, 0 to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eSystem Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI981412-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Probe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI10063 industrial pH probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump Flow Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 to 3.5 L\/h (0.13 to 0.92 gal\/h), adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOn\/off or proportional with manual priming mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExternal Event Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLevel controller or flow switch (galvanically isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm Relay Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSPDT 2.5A \/ 230 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100-240 VAC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP65 (wall-mounted with built-in pump)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0-50°C (32-122°F); RH max 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90 x 142 x 80 mm (3.5 x 5.6 x 1.8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e910 g (32 oz \/ 2 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHI981412-00 pH dosing controller with built-in peristaltic pump\u003c\/li\u003e\n\u003cli\u003eHI10063 industrial pH probe with Quick Connect DIN connector\u003c\/li\u003e\n\u003cli\u003epH calibration buffer solutions\u003c\/li\u003e\n\u003cli\u003ePower connection cable (100-240 VAC)\u003c\/li\u003e\n\u003cli\u003eInstallation hardware\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003cli\u003eQuality certificates for instrument and probe\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Setup\u003c\/h3\u003e\n\u003cp\u003eThe system is designed for straightforward installation:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eMount the controller in a suitable location near your water system\u003c\/li\u003e\n\u003cli\u003eInstall the HI10063 probe in-line with water flow or in a flow cell\u003c\/li\u003e\n\u003cli\u003eConnect the dosing pump tubing to your acid or base chemical reservoir\u003c\/li\u003e\n\u003cli\u003eConnect the injection point to your water system\u003c\/li\u003e\n\u003cli\u003eCalibrate the pH probe with buffer solutions\u003c\/li\u003e\n\u003cli\u003eProgram your desired pH setpoint and dosing parameters\u003c\/li\u003e\n\u003cli\u003eThe system automatically maintains your target pH 24\/7\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eProfessional installation recommended for commercial applications.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eRegular maintenance ensures optimal performance:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCalibrate the HI10063 probe monthly with pH 4.01, 7.01, and 10.01 buffer solutions\u003c\/li\u003e\n\u003cli\u003eCheck dosing pump operation and tubing condition\u003c\/li\u003e\n\u003cli\u003eInspect and refill chemical reservoirs as needed\u003c\/li\u003e\n\u003cli\u003eClean the probe periodically to remove deposits\u003c\/li\u003e\n\u003cli\u003eVerify alarm functions are operating correctly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose Automated pH Dosing?\u003c\/h3\u003e\n\u003cp\u003eManual pH testing and adjustment is time-consuming, inconsistent, and prone to human error. The HI981412-00 automated dosing system eliminates these problems by continuously monitoring pH and making precise adjustments 24\/7. Benefits include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsistent water chemistry for optimal conditions\u003c\/li\u003e\n\u003cli\u003eReduced chemical waste through precise dosing\u003c\/li\u003e\n\u003cli\u003ePrevention of equipment damage from pH extremes\u003c\/li\u003e\n\u003cli\u003eLabor cost savings—no manual testing or dosing required\u003c\/li\u003e\n\u003cli\u003eImproved safety for aquatic life in pools and aquaculture\u003c\/li\u003e\n\u003cli\u003eEnhanced equipment longevity through proper pH maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the GroLine HI981412-00?\u003c\/h3\u003e\n\u003cp\u003eEngineered by Hanna Instruments specifically for automated pH management, the HI981412-00 delivers professional-grade dosing control in a compact, wall-mounted package. 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They are the perfect accessory for your on-the-go testing, fitting easily into your pocket or carrying case.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupplied with Certificate of Analysis\u003c\/li\u003e\n\u003cli\u003eSingle-use sachets for convenience.\u003c\/li\u003e\n\u003cli\u003ePerfect for use with GroLine testers and portable meters!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHI70039G is a premium quality 5000 µS\/cm conductivity solution standardized with a conductivity meter that has been calibrated with potassium chloride NIST 2202 SRM (Standard Reference Material) in deionized water for analytical use in accordance with ISO 3696\/BS3978. Additional equipment used in preparation of the solutions include certified weight-checked balances, Class A glassware and certified thermometers.\u003c\/p\u003e\n\u003ch4\u003eEach sealed sachet holds just the right amount of solution making every sachet as fresh as the day it was packaged!\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolution does not contain any dyes that may stain the reference cell of a pH electrode.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eLight block foil packaging\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLight-tight packet helps to prevent against degradation by UV light.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eOne-time use sachet packets\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEnsures quality and freshness of solution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEach sachet marked with lot number and expiration date\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMany Hanna solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened sachet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe HI70039G is supplied with Certificate of Analysis\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProduct code\u003c\/li\u003e\n\u003cli\u003eLot number\u003c\/li\u003e\n\u003cli\u003eMean lot value\u003c\/li\u003e\n\u003cli\u003eSRMs that were used\u003c\/li\u003e\n\u003cli\u003eManufacturing date\u003c\/li\u003e\n\u003cli\u003eExpiration date\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":41357271138391,"sku":"HI70039G","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/5000-conductivity-stnadard-hi70039G__66635.jpg?v=1731266227"},{"product_id":"groline-ph-electrode-storage-solution-hi70300g-25-sachets","title":"HI70300G GroLine pH Electrode Storage Solution Sachets (25 x 20mL)","description":"\u003ch2\u003eHI70300G GroLine pH Electrode Storage Solution – 25 Sachets (20mL Each)\u003c\/h2\u003e\u003cp\u003ePremium electrode storage solution specially formulated for GroLine pH and ORP electrodes. Each box contains 25 single-use sachets designed for hydroponics, aquaponics, greenhouses, laboratories, and field testing applications.\u003c\/p\u003e\u003ch3\u003eWhy Choose HI70300G Storage Solution?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeeps electrodes ready\u003c\/strong\u003e – Maintains optimal moisture at the glass sensor tip and reference junction to ensure fast response times\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents electrode damage\u003c\/strong\u003e – Protects against drying out, which can permanently reduce electrode performance and lifespan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-use convenience\u003c\/strong\u003e – Pre-measured 20mL sachets eliminate guesswork and ensure fresh solution every time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-portable design\u003c\/strong\u003e – Lightweight, compact sachets fit easily in pockets or carrying cases for on-the-go testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight-block foil packaging\u003c\/strong\u003e – UV-resistant packaging prevents solution degradation and maintains quality\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo staining formula\u003c\/strong\u003e – Dye-free solution won't contaminate or stain the reference cell of pH electrodes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended shelf life\u003c\/strong\u003e – Unopened sachets remain fresh for up to 5 years from manufacture date\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull traceability\u003c\/strong\u003e – Each sachet marked with lot number and expiration date for quality assurance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eFor daily storage:\u003c\/strong\u003e Place your pH or ORP electrode in a small glass filled with HI70300G solution, or fill the protective cap with solution and replace on the electrode. Keep the sensor tip and reference junction fully submerged.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFor rehydration:\u003c\/strong\u003e After cleaning procedures or if the electrode has dried out, soak the electrode in HI70300G solution for at least one hour before taking measurements to restore optimal performance.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/rehydrate-electrode.png?width=600\u0026amp;name=rehydrate-electrode.png\" alt=\"Electrode rehydration process\" width=\"600\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Never store pH or ORP electrodes in distilled or deionized water, as this will shorten sensor life and reduce accuracy.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HI70300G\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSachets per box:\u003c\/strong\u003e 25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume per sachet:\u003c\/strong\u003e 20 mL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Light-block foil for UV protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e Up to 5 years (unopened)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormulation:\u003c\/strong\u003e Dye-free, specially designed for GroLine electrodes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e GroLine pH and ORP electrodes, testers, and portable meters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Manufactured in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eIdeal for maintaining pH and ORP electrodes used in hydroponics systems, aquaponics operations, greenhouse monitoring, aquarium testing, pool and spa maintenance, wastewater analysis, environmental field testing, and laboratory applications. Essential for any professional or hobbyist who relies on accurate pH measurements.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cp\u003eOne box containing 25 individually sealed 20mL sachets of HI70300G GroLine electrode storage solution, each marked with lot number and expiration date.\u003c\/p\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":41357280215127,"sku":"HI70300G","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/groline-storage-solution-25-sachets-of-20-ml-hi70300g__53245.jpg?v=1731266779"},{"product_id":"hanna-hi98128-phep5-waterproof-ph-temperature-tester","title":"Hanna HI98128 pHep5 pH Tester | Waterproof 0.01 Resolution Pocket Meter","description":"\u003cp\u003e\u003cstrong\u003eProfessional-grade pH and temperature testing in a compact, waterproof pocket design.\u003c\/strong\u003e The Hanna HI98128 pHep\u003csup\u003e®\u003c\/sup\u003e5 delivers laboratory-accurate measurements with 0.01 pH resolution and ±0.05 pH accuracy, featuring automatic calibration, temperature compensation, and a replaceable electrode system that extends the life of your tester for years.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh precision 0.01 pH resolution\u003c\/strong\u003e – Professional accuracy of ±0.05 pH for reliable results\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof \u0026amp; floats\u003c\/strong\u003e – IP67 rated, designed to float if dropped in water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable electrode\u003c\/strong\u003e – HI73127 cartridge design with extractable cloth junction extends tester life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto calibration\u003c\/strong\u003e – One, two, or three-point automatic calibration with dual buffer sets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature compensation\u003c\/strong\u003e – Automatic ATC displays pH and temperature (°C or °F) simultaneously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended pH range\u003c\/strong\u003e – Measures from -2.00 to 16.00 pH for versatile applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong battery life\u003c\/strong\u003e – Up to 300 hours continuous use with 4 AAA batteries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable \u0026amp; durable\u003c\/strong\u003e – Pocket-sized design perfect for field testing and on-the-go measurements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the pHep\u003csup\u003e®\u003c\/sup\u003e5?\u003c\/h3\u003e\n\u003cp\u003eThe HI98128 pHep\u003csup\u003e®\u003c\/sup\u003e5 combines advanced features typically found in expensive portable instrumentation with the convenience and affordability of a pocket tester. The innovative replaceable electrode design features a stainless steel round connector with no pins to align or break, making electrode replacement quick and foolproof. The extractable cloth junction can be renewed by simply pulling out ⅛\" of material, clearing any clogging and restoring response time without replacing the entire electrode.\u003c\/p\u003e\n\n\u003ch3\u003eAdvanced Features for Confident Testing\u003c\/h3\u003e\n\n\u003ch4\u003eWaterproof Design\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIP67 waterproof rating protects against water immersion\u003c\/li\u003e\n\u003cli\u003eDesigned to float if accidentally dropped in a tank or water body\u003c\/li\u003e\n\u003cli\u003eIdeal for wet environments, field testing, and marine applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eExpanded pH Range\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures from -2.00 to 16.00 pH – handles extreme acidic and alkaline solutions\u003c\/li\u003e\n\u003cli\u003ePerfect for diverse applications from aquariums to industrial testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAutomatic Temperature Compensation (ATC)\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eAll pH readings automatically compensated for temperature variations\u003c\/li\u003e\n\u003cli\u003eSimultaneous display of pH and temperature in °C or °F\u003c\/li\u003e\n\u003cli\u003eTemperature range: -5.0 to 60.0°C (23.0 to 140.0°F)\u003c\/li\u003e\n\u003cli\u003eTemperature accuracy: ±0.5°C \/ ±1°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eStability Indicator\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOn-screen clock icon disappears when reading achieves stability\u003c\/li\u003e\n\u003cli\u003eEnsures accurate, reliable measurements every time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eHOLD Button\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFreezes reading on display for easy recording and documentation\u003c\/li\u003e\n\u003cli\u003ePerfect for logging measurements in challenging environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eBEPS (Battery Error Prevention System)\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatically shuts off if battery power is insufficient for accurate measurement\u003c\/li\u003e\n\u003cli\u003ePrevents false readings due to low battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAuto-Off Function\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatically powers down after 8 minutes of non-use\u003c\/li\u003e\n\u003cli\u003eMaximizes battery life and prevents accidental drain\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFlexible Calibration Options\u003c\/h3\u003e\n\u003cp\u003eThe pHep\u003csup\u003e®\u003c\/sup\u003e5 offers automatic one, two, or three-point calibration with two selectable buffer sets for maximum flexibility:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuffer Set 1:\u003c\/strong\u003e pH 4.01, 7.01, 10.01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuffer Set 2:\u003c\/strong\u003e pH 4.01, 6.86, 9.18\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eChoose the buffer set that best matches your testing requirements and application.\u003c\/p\u003e\n\n\u003ch3\u003eReplaceable Electrode System\u003c\/h3\u003e\n\u003cp\u003eThe HI73127 pH electrode features an innovative cartridge design with a stainless steel round connector – no fragile pins to align or break. The extractable cloth junction allows you to renew the junction by simply pulling out ⅛\" of material, clearing clogs and restoring fast response time. This extends electrode life significantly, reducing long-term costs.\u003c\/p\u003e\n\n\u003ch3\u003eComplete Kit - Ready to Test\u003c\/h3\u003e\n\u003cp\u003eYour HI98128 pHep\u003csup\u003e®\u003c\/sup\u003e5 arrives with everything needed for immediate testing:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHI73127 replaceable pH electrode\u003c\/li\u003e\n\u003cli\u003eHI73128 electrode removal tool\u003c\/li\u003e\n\u003cli\u003epH 4.01 buffer solution sachets (2 × 20 mL)\u003c\/li\u003e\n\u003cli\u003epH 7.01 buffer solution sachets (2 × 20 mL)\u003c\/li\u003e\n\u003cli\u003eHI700601 electrode cleaning solution sachet (20 mL)\u003c\/li\u003e\n\u003cli\u003eHI70300N storage solution sachet (20 mL)\u003c\/li\u003e\n\u003cli\u003e1.5V AAA batteries (4 pcs.)\u003c\/li\u003e\n\u003cli\u003eInstrument quality certificate\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI98128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-2.00 to 16.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Accuracy (@25°C\/77°F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.05 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, at one, two, or three points with two sets of standard buffers (pH 4.01\/7.01\/10.01 or pH 4.01\/6.86\/9.18)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Temperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic (ATC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-5.0 to 60.0°C \/ 23.0 to 140.0°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C \/ 0.1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5°C \/ ±1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Electrode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI73127 replaceable pH electrode with extractable cloth junction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic Shut-Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAuto-off after 8 minutes of non-use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type \/ Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5V AAA (4) \/ Approximately 300 hours of continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-5 to 50°C (23 to 122°F); RH max 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP67 (waterproof and floats)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e163 × 40 × 26 mm (6.4 × 1.6 × 1.0\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 g (3.5 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAquariums and aquaculture\u003c\/li\u003e\n\u003cli\u003eHydroponics and agriculture\u003c\/li\u003e\n\u003cli\u003eWater quality testing\u003c\/li\u003e\n\u003cli\u003eSwimming pools and spas\u003c\/li\u003e\n\u003cli\u003eLaboratory and educational use\u003c\/li\u003e\n\u003cli\u003eFood and beverage production\u003c\/li\u003e\n\u003cli\u003eEnvironmental monitoring\u003c\/li\u003e\n\u003cli\u003eMarine and reef keeping\u003c\/li\u003e\n\u003cli\u003eWastewater treatment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Hanna Instruments?\u003c\/h3\u003e\n\u003cp\u003eHanna Instruments is a world leader in analytical instrumentation, trusted by professionals in over 140 countries. The pHep\u003csup\u003e®\u003c\/sup\u003e5 represents decades of innovation in portable pH testing, combining professional accuracy with user-friendly operation and exceptional value.\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41357287555159,"sku":"HI98128","price":154.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/water-ph-tester-best-seller-hi98128__65277.jpg?v=1731267348"},{"product_id":"hanna-hi991301-ph-ec-tds-meter","title":"Hanna Instruments Portable Waterproof pH\/EC\/TDS Meter (High Range)","description":"\u003cp\u003eDesigned to bring simplicity to testing, the HI991301 pH\/EC\/TDS Meter is designed specifically for use in manufacturing and environmental testing protocols. The specialized electrode combines 3 sensors in a single rugged probe body featuring a polypropylene body, integrated temperature sensor, and cloth junction.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3-in-1 probe measures pH, EC\/TDS, and temperature.\u003c\/li\u003e\n\u003cli\u003eComes with all the necessary solutions and batteries- everything you need to get started measuring right away.\u003c\/li\u003e\n\u003cli\u003ePerfect for water quality testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eProbe Condition \u003c\/h4\u003e\n\u003cp\u003eAn on-screen indicator provides visual confirmation that your probe is working at its best.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eLow Battery Indicator\u003c\/h4\u003e\n\u003cp\u003eThe included batteries provide 1400 hours of continuous use. When the battery level is below 10%, a warning symbol will blink to indicate low battery condition. When low battery power may affect your results, the meter will shut down to avoid erroneous readings caused by low battery level.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eAutomatic Shut-off\u003c\/h4\u003e\n\u003cp\u003eThe auto-off feature can be set to shut the meter off at 8 or 60 minutes, or it can be disabled so that the meter continuously stays on. The auto-off feature prolongs battery life for peace-of-mind and energy savings if the meter is accidentally left on.\u003c\/p\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eBuilt to be Durable\u003c\/h4\u003e\n\u003cp\u003eDesigned to withstand the knocks, drops, and spills of real life, the new IP67 body ensures top performance in any environment. These meters are protected against dust and water intrusion from any direction.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003ePortable Design\u003c\/h4\u003e\n\u003cp\u003eMade to fit comfortably in your hand for on-the-go testing, the multilevel LCD display provides at-a-glance readings of pH and temperature from any angle and dual button operation streamlines the testing process for any user.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eQuick Connect Probe\u003c\/h4\u003e\n\u003cp\u003eA Quick Connect DIN connector makes attaching and removing the probe simple and easy. The rubber coating protects the cable and provides a water-tight seal without twisting.\u003c\/p\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003eYour measurements require detailed attention; so should your electrode. The HI991301 pH\/EC\/TDS Meter features a replaceable HI12883 probe that has been carefully designed specifically for measurements encountered in manufacturing and environmental testing protocols.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003ePolypropylene Body\u003c\/h4\u003e\n\u003cp\u003eThe polypropylene body of the HI12883 houses all three sensors within a sturdy, single body design. The plastic body protects the electrode from damage, is easy to clean, and is chemically resistant to many aggressive chemicals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003ePre-Amplified pH Electrode\u003c\/h4\u003e\n\u003cp\u003eThe pH sensor in the probe is a single junction electrode with gelled electrolyte and a retractable cloth junction. When readings appear sluggish, simply pull out some of the cloth material from out from its position t renew the junction with an uncontaminated, fresh surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eAmperometric EC\/TDS Sensor\u003c\/h4\u003e\n\u003cp\u003eThe EC\/TDS portion is a two-ring probe that comes with the HI991301, offering an accurate solution for high range EC and TDS readings. An integrated temperature probe ensures fast, accurately compensated readings even during sudden temperature fluctuations.\u003c\/p\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12  border-after--blue-wide\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv data-details=\"\" class=\"cell small-12 large-auto small-order-2 large-order-1\"\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003eWe believe that buying a meter should be simple. Your Portable pH\/EC\/TDS Meter is equipped with everything you need for successful testing right out of the box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eGeneral Electrode Cleaning Solution\u003c\/h4\u003e\n\u003cp\u003eYour Portable pH\/EC\/TDS Meter comes with a cleaning solution that has been engineered to keep your electrode free from debris and build up. This concentrated combination of detergents cleans your meter quickly and effectively so that your meter stays in optimum condition.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003epH 4 \u0026amp; 7 Buffer Sachets\u003c\/h4\u003e\n\u003cp\u003eWhen performing a pH calibration it is important that the correct buffers are used. We include some start buffers to get you going. The single-use sachets are individually sealed so you use fresh buffer each time you calibrate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003e12880 μS\/cm and 6.44 ppt Conductivity Standard (1 each)\u003c\/h4\u003e\n\u003cp\u003eWhen performing an EC\/TDS calibration it is important that the correct standards are used. We include some starter standards to get you going. The single-use sachets are individually sealed so you use fresh buffer each time you calibrate.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Name\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003esku\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI991301\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-2.00 to 16.00 pH \/ -2.0 to 16.0 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 pH \/ 0.1 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Accuracy @ 25°C \/ 77°F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.02 pH \/ ±0.1 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, 1 or 2 points choose between 2 sets of buffers (standard: 4.01; 7.01; 10.01 or NIST: 4.01; 6.86; 9.18)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003emV Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±825 mV (pH-mV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003emV Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003emV Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±1 mV (pH-mV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-5.0 to 105.0 °C \/ 23.0 to 221.0 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 °C \/ 0.1 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy @ 25°C \/ 77°F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5 °C \/ ±1.0 °F Temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 20.00 mS\/cm**\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Accuracy @25°C\/77°F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, one-point at 12.88 mS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 to 10.00 ppt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 ppt (g\/L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Accuracy @ 25°C \/ 77°F\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Conversion Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelectable from 0.45 to 1.00 with 0.01 increments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, one-point at 6.44 ppt (CONV=0.5) or 9.02 ppt (CONV=0.7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003epH - Automatic EC\/TDS - Automatic, with β selectable from 0.0 to 2.4 %\/ °C with 0.1 increments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5V AAA batteries(3 pcs.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 600 hours of continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50 °C (32 to 122 °F) RH max. 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e154 x 63 x 30 mm (6.1 x 2.5 x 1.2”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e196 g (6.91 oz.) with batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrdering Information\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEach meter is supplied complete with: • HI12883 pH\/EC\/TDS probe with built‑in temperature sensor, DIN connector and 1m (3.3’) cable • pH 4.01 \u0026amp; 7.01 Buffer sachet • HI70030 12880 μS\/cm and HI70038 6.44 ppt 1 sachet each for HI991301 • HI700601 Electrode cleaning solution (2 sachets) • 100 mL beaker (1 pcs.) • Alkaline batteries: 1.5V AAA (3 pcs.) • Rugged carrying case • Calibration certificate of meter • Calibration certificate of probe • Instruction manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Probe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI12883 pH\/EC\/TDS probe with built‑in temperature sensor, DIN connector and 1m (3.3’) cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41357292372055,"sku":"HI991301","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/portable-waterproof-ph-ec-tds-meter-high-range-case-hi991301__86330.jpg?v=1731267986"},{"product_id":"groline-storage-solution-sachets-20-ml-2-pcs","title":"GroLine Storage Solution Sachets, 20 mL (2 pcs.)","description":"\u003cp\u003eHI70300G is a high quality storage solution designed with hydroponics, aquaponics, and greenhouses in mind.\u003c\/p\u003e\n\u003cp\u003eSingle-use sachets are highly portable, with a small footprint and a lightweight design. They are the perfect accessory for your on-the-go testing, fitting easily into your pocket or carrying case.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpecially formulated for storing GroLine electrodes.\u003c\/li\u003e\n\u003cli\u003eSingle-use sachets for convenience.\u003c\/li\u003e\n\u003cli\u003ePerfect for use with GroLine testers and portable meters!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGroLine storage solution that can be used to store your pH electrode*. To ensure an optimum response time, the glass sensor tip and the reference junction of the pH electrode should be kept moist and not be allowed to dry out when not in use. Placing the electrode in a small glass filled with storage solution or replacing the solution in the protective cap is a suitable way to store the electrode. The HI70300G should also be used to rehydrate the electrode after a cleaning procedure by soaking for at least one hour before taking measurements.\u003c\/p\u003e\n\u003cp\u003e\u003cimg sizes=\"(max-width: 600px) 100vw, 600px\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/rehydrate-electrode.png?width=300\u0026amp;name=rehydrate-electrode.png 300w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/rehydrate-electrode.png?width=600\u0026amp;name=rehydrate-electrode.png 600w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/rehydrate-electrode.png?width=900\u0026amp;name=rehydrate-electrode.png 900w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/rehydrate-electrode.png?width=1200\u0026amp;name=rehydrate-electrode.png 1200w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/rehydrate-electrode.png?width=1500\u0026amp;name=rehydrate-electrode.png 1500w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/rehydrate-electrode.png?width=1800\u0026amp;name=rehydrate-electrode.png 1800w\" width=\"600\" alt=\"rehydrate-electrode\" src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/001-website\/images\/rehydrate-electrode.png?width=600\u0026amp;name=rehydrate-electrode.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e* Never store pH or ORP electrodes in distilled or deionized water. Doing so will shorten the life of the sensor.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eEach sealed sachet holds just the right amount of solution making every sachet as fresh as the day it was packaged!\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolution does not contain any dyes that may stain the reference cell of a pH electrode.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eLight block foil packaging\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLight-tight packet helps to prevent against degradation by UV light.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eOne-time use sachet packets\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEnsures quality and freshness of solution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEach sachet marked with lot number and expiration date\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMany Hanna solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened sachet.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Groline","offers":[{"title":"Default Title","offer_id":41361620729943,"sku":"HI70300G-2","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/hi70300g__17803_ab73e1be-5565-497c-a1b2-9a114edd02bc.jpg?v=1731448163"},{"product_id":"hanna-hi1285-6-ph-ec-tds-probe-cal-check","title":"Hanna Instruments pH\/EC\/TDS Multiparameter Probe with CAL Check - HI1285-6","description":"\u003cp\u003eMeasure pH, conductivity (EC), and TDS (ppm) with the HI1285-6 multiparameter probe. Perfect for measurements in greenhouses, water treatment, and boilers and cooling towers with a polypropylene body, built in temperature sensor, and pre-amplified pH electrode. The HI1285-6 is designed for use with HI9813-6 Portable pH\/EC\/TDS\/Temperature Meter with CAL Check™.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3 in 1 probe with pH, conductivity (EC), TDS (ppm), \u0026amp; temperature sensors.\u003c\/li\u003e\n\u003cli\u003ePre-amplified for more accurate readings.\u003c\/li\u003e\n\u003cli\u003eGreat for hydroponics, aquariums, pools, \u0026amp; ponds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eHanna Instruments offers a wide variety of electrodes that are designed for many different applications. The sensing material, body material, and connection type used are just some of the design considerations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\" data-detail-item=\"\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003ePre-Amplified Multiparameter pH Probe\u003c\/h4\u003e\n\u003cp\u003eThe pH electrode circuit has a built-in amplifier that serves to reduce the effects of electrical noise on the high impedance-pH measurement. Electrical noise can come from motors and pumps that are common in greenhouses. The single reference junction design of the pH electrode has a cloth junction that allows ion movement between the inner gel electrolyte and the sample being measured. The advantage of the cloth junction is that it can be extracted from the probe, exposing a fresh surface when readings become drifty or erratic. These features make this probe ideal for use in fertilizer solutions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\" data-detail-item=\"\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eAmperometric EC\/TDS Sensor\u003c\/h4\u003e\n\u003cp\u003eEC\/TDS readings are performed by a two-pin amperometric sensor. An alternating voltage is applied to the sensor and the amount of current that passes between the two stainless steel pins determines the amount of dissolved ionic solids present.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\" data-detail-item=\"\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eBuilt-In Temperature Sensor\u003c\/h4\u003e\n\u003cp\u003epH and EC\/TDS readings must be temperature compensated in order to obtain accurate results. The built-in temperature sensor of the HI1285-6 provides a speedy temperature reading which is then used to adjust the pH and EC\/TDS results accordingly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\" data-detail-item=\"\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003ePolypropylene Body\u003c\/h4\u003e\n\u003cp\u003eThe polypropylene body of the HI1285-6 multiparameter pH probe houses all three sensors within a sturdy, single body design. This body material is suitable for a wide range of applications and excels in measurements with portable meters due to its durability. The fins around the spherical glass pH bulb minimizes breakage due to accidental bumping or dropping of the electrode. The polypropylene plastic is a high-quality plastic that is chemically resistant to many aggressive chemicals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\" data-detail-item=\"\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eDIN Connector with CAL Check\u003c\/h4\u003e\n\u003cp\u003eThe HI1285-6 uses a DIN connector. This type of connector is generally proprietary to the meters they are supplied with and may not be interchangeable. The connection of the HI1285-6 enables the CAL Check function on the HI9813-6 portable multiparameter meter.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41420313067607,"sku":"HI1285-6","price":174.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/ph-ec-tds-multiparameter-probe-with-cal-check-hi1285-6__84689.1559321292.1280.1280.jpg?v=1733446545"},{"product_id":"hanna-hi740200-ph-electrode-storage-cap-12mm-5-pack","title":"Hanna Instruments pH Electrode Storage Cap HI740200 - 12mm Compression Fitting (5-Pack)","description":"\u003cp\u003e\u003cstrong\u003eProtect and extend the life of your pH electrodes\u003c\/strong\u003e with the Hanna Instruments HI740200 storage cap system. Designed specifically for 12mm diameter probes, these professional-grade storage caps maintain optimal electrode hydration between measurements.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision fit:\u003c\/strong\u003e Compression fitting design for standard 12mm diameter electrodes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimal hydration:\u003c\/strong\u003e Holds 1cm of HI70300 storage solution to keep probe tips properly conditioned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded collar:\u003c\/strong\u003e Secure, leak-resistant seal protects during storage and transport\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional quality:\u003c\/strong\u003e Manufactured in Romania by Hanna Instruments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValue pack:\u003c\/strong\u003e Includes 5 storage caps for multiple probes or replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProper Storage Protocol:\u003c\/h4\u003e\n\u003cp\u003eAfter each use, rinse your electrode with recommended cleaner, blot gently with soft tissue, then add 1cm of HI70300 storage solution to the cap. Insert the probe tip and tighten the threaded collar to create an airtight seal.\u003c\/p\u003e\n\n\u003ch4\u003eBefore Next Use:\u003c\/h4\u003e\n\u003cp\u003eUnscrew the top collar to vent the cap before removing the probe. Rinse off any storage solution or salt deposits from the glass body. Always save the cap and collar for continued probe protection.\u003c\/p\u003e\n\n\u003ch4\u003eCare Instructions:\u003c\/h4\u003e\n\u003cp\u003eHandle probes with care during maintenance and measurement. Never drop on hard surfaces as this permanently damages the electrode. Always use the storage cap to protect and hydrate the pH tip during storage or transportation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eCompatible with Hanna Instruments pH electrodes and other standard 12mm probes. Storage solution sold separately (HI70300).\u003c\/em\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41420429623383,"sku":"HI740200","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/hi740200__43627.1559321315.1280.1280.jpg?v=1733454349"},{"product_id":"hanna-dist5-ec-tds-temperature-tester-hi98311","title":"Hanna DiST5 EC TDS Temperature Tester - Waterproof 3-in-1 Pen HI98311","description":"\u003ch1\u003e\u003cstrong\u003e3-IN-1 WATERPROOF EC, TDS \u0026amp; TEMPERATURE TESTING\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe Hanna DiST\u003csup\u003e®\u003c\/sup\u003e 5 (HI98311) is an advanced, waterproof conductivity and TDS tester that delivers quick, accurate measurements in a single pocket-sized device. Measure conductivity (0–3999 µS\/cm), TDS (0–2000 ppm), and temperature without switching between multiple meters—perfect for on-the-go testing in hydroponics, aquariums, pools, ponds, and water quality applications.\u003c\/p\u003e\n\n\u003ch2\u003eWHY CHOOSE THE DiST\u003csup\u003e®\u003c\/sup\u003e 5?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact waterproof design\u003c\/strong\u003e – Floats and fits in your pocket for ultimate portability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable graphite electrode\u003c\/strong\u003e – Extends tester life for years of reliable use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-in-1 convenience\u003c\/strong\u003e – EC, TDS, and temperature in one device\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for multiple applications\u003c\/strong\u003e – Hydroponics, aquariums, pools, ponds, and general water testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTHE STANDARD IN EC \u0026amp; TDS MEASUREMENT\u003c\/h2\u003e\n\u003cp\u003eWhen Hanna first introduced the original DiST\u003csup\u003e®\u003c\/sup\u003e (Dissolved Solids Tester), conductivity and total dissolved solids measurements became easy and affordable for everyone. The DiST\u003csup\u003e®\u003c\/sup\u003e's combination of simplicity and value made it the industry standard in EC and TDS measurement. Hanna continues this legacy with the DiST\u003csup\u003e®\u003c\/sup\u003e 5—packed with advanced features while maintaining the ease of use that made the original famous.\u003c\/p\u003e\n\n\u003ch2\u003eADVANCED FEATURES FOR ACCURATE TESTING\u003c\/h2\u003e\n\n\u003ch3\u003eReplaceable Graphite Electrode\u003c\/h3\u003e\n\u003cp\u003eThe HI73311 graphite conductivity electrode delivers superior accuracy by resisting contamination from salt deposits in your samples. Unlike fixed electrodes, this replaceable design extends the life of your tester for years of dependable measurements.\u003c\/p\u003e\n\n\u003ch3\u003eAdjustable TDS Conversion Ratio\u003c\/h3\u003e\n\u003cp\u003eCustomize the EC-to-TDS conversion factor (0.45 to 1.00) to match your specific application, ensuring accurate TDS readings for your unique water chemistry.\u003c\/p\u003e\n\n\u003ch3\u003eAutomatic Temperature Compensation (ATC)\u003c\/h3\u003e\n\u003cp\u003eBuilt-in ATC with adjustable β (0.0 to 2.4%\/°C) automatically corrects EC and TDS readings based on temperature, eliminating manual calculations and ensuring accuracy across varying conditions.\u003c\/p\u003e\n\n\u003ch3\u003eDual Temperature Display\u003c\/h3\u003e\n\u003cp\u003eSwitch between °C and °F for convenient temperature measurement in your preferred unit.\u003c\/p\u003e\n\n\u003ch3\u003eSmart Battery Management (BEPS)\u003c\/h3\u003e\n\u003cp\u003eThe Battery Error Prevention System alerts you when low battery power could affect reading accuracy, preventing unreliable measurements. Get approximately 100 hours of continuous use from four 1.5V batteries (included).\u003c\/p\u003e\n\n\u003ch3\u003eAutomatic Calibration\u003c\/h3\u003e\n\u003cp\u003eOne-point automatic calibration at 1413 µS\/cm or 1382 mg\/L (ppm) ensures your tester stays accurate with minimal effort.\u003c\/p\u003e\n\n\u003ch3\u003eWaterproof \u0026amp; Floating Design\u003c\/h3\u003e\n\u003cp\u003eThe IP67-rated waterproof casing protects against water intrusion and the tester floats—so you'll never lose it in a pool, pond, or tank. Built to withstand real-world testing environments.\u003c\/p\u003e\n\n\u003ch2\u003eCONVENIENT OPERATION FEATURES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHOLD button\u003c\/strong\u003e – Freeze readings on the display for easy recording\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStability indicator\u003c\/strong\u003e – Know when your reading has stabilized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery level indicator\u003c\/strong\u003e – Monitor power status at a glance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic shut-off\u003c\/strong\u003e – Powers down after 8 minutes of non-use to conserve battery life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eUNMATCHED VERSATILITY\u003c\/h2\u003e\n\u003cp\u003eAll these professional features are packed into a lightweight, floating, waterproof casing that fits comfortably in your hand or pocket. The DiST\u003csup\u003e®\u003c\/sup\u003e 5 is unmatched for EC, TDS, and temperature measurements in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHydroponic nutrient solutions\u003c\/li\u003e\n\u003cli\u003eAquarium water quality monitoring\u003c\/li\u003e\n\u003cli\u003eSwimming pool and spa maintenance\u003c\/li\u003e\n\u003cli\u003ePond water testing\u003c\/li\u003e\n\u003cli\u003eDrinking water quality checks\u003c\/li\u003e\n\u003cli\u003eAgricultural irrigation water\u003c\/li\u003e\n\u003cli\u003eLaboratory and field testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTECHNICAL SPECIFICATIONS\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI98311 (DiST\u003csup\u003e®\u003c\/sup\u003e 5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 3999 µS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 µS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% Full Scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC Calibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, one point at 1413 µS\/cm or 1382 mg\/L (ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 2000 mg\/L (ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 mg\/L (ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% Full Scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC\/TDS Temperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic, with β adjustable from 0.0 to 2.4%\/°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEC to TDS Conversion Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable from 0.45 to 1.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0 to 60.0°C \/ 32.0 to 140.0°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C \/ 0.1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5°C \/ ±1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI73311 replaceable EC\/TDS graphite electrode (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic Shut-Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAfter 8 minutes of non-use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFour 1.5V batteries (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 100 hours of continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50°C (32 to 122°F); RH max 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWaterproof and floats\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e163 × 40 × 26 mm (6.4\" × 1.6\" × 1.0\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 g (3.5 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e793573622341\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWHAT'S INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHI98311 DiST\u003csup\u003e®\u003c\/sup\u003e 5 EC\/TDS\/Temperature Tester\u003c\/li\u003e\n\u003cli\u003eHI73311 replaceable graphite electrode\u003c\/li\u003e\n\u003cli\u003eFour 1.5V batteries\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eThe DiST\u003csup\u003e®\u003c\/sup\u003e 5 continues Hanna's tradition of making professional-grade water testing accessible, affordable, and reliable for everyone from hobbyists to professionals.\u003c\/em\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41420468944983,"sku":"HI98311","price":154.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/dist-5-tds-tester-hi98311__65995.jpg?v=1733456072"},{"product_id":"digital-refractometer-for-seawater-analysis-hi96822","title":"HI96822 Digital Seawater Refractometer | Salinity \u0026 Specific Gravity | Hanna","description":"\u003cp\u003eThe HI96822 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater. The HI96822 displays results in three popular measurement units: Practical Salinity Units (PSU), salinity in parts per thousands (ppt) and specific gravity (S.G. (20\/20)). The instrument's high accuracy and simple operation gives reliable results each and every time. All readings are automatically compensated for temperature variations and displayed within a 1.5 second response time. The sealed flint glass prism and stainless steel well are easy to clean. Just wipe with a soft cloth in preparation for the next sample.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSample size as small as 2 metric drops (100 μl)\u003c\/li\u003e\n\u003cli\u003eSealed stainless steel well with high-grade optical prism made of flint glass\u003c\/li\u003e\n\u003cli\u003eFast 1.5 second response time for temperature compensated readings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\" data-detail-item=\"\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003eThe HI96822 Digital Refractometer eliminates the uncertainty associated with mechanical refractometers by measuring the refractive index to determine the salinity of natural and artificial seawater including brackish, ocean water or saltwater aquarium. The instrument converts the refractive index of a sample to PSU, ppt and specific gravity. These conversions are based on respected scientific publications using the physical properties of seawater (not sodium chloride). The HI96822 is an easy to use tool for measuring salinity in natural and artificial seawater whether in the field, lab or at home.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for seawater salinity analysis (not NaCl)\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation\u003c\/li\u003e\n\u003cli\u003eHigh accuracy measurements displayed as PSU, ppt and specific gravity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\" data-detail-item=\"\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eMaking a Standard Solution\u003c\/h4\u003e\n\u003cp\u003eSodium Chloride solutions can be used to check the accuracy of the meter. The table below lists two Sodium Chloride solutions and their expected ppt Seawater value.\u003cbr\u003e\u003cbr\u003eTo make a Standard NaCl Solution (g\/100 g), follow the procedure below\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlace container (such as a glass vial or dropper bottle that has a cover) on an analytical balance.\u003c\/li\u003e\n\u003cli\u003eTare the balance.\u003c\/li\u003e\n\u003cli\u003eTo make an X NaCl solution weigh out X grams of high purity dried Sodium Chloride (CAS #: 7647-14-5: MW 58.44) directly into the container.\u003c\/li\u003e\n\u003cli\u003eAdd distilled or deionized water to the beaker so the total weight of the solution is 100g.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExample Standard NaCl Solution \u003c\/p\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNaCl (g)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eWater (g)\u003cbr\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTotal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eExpected Seawater value (ppt)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e3.5% NaCl\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.50\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e96.50\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100.000\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e34\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e10% NaCl\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10.00\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e90.00\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100.000\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e96\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eRefractive Index\u003c\/h4\u003e\n\u003cp\u003eThe HI96822 takes measurements based on a sample’s refractive index. Refractive index is a measurement of how light behaves as it passes through the sample. Depending on the sample’s composition, the light will refract and reflect differently. By measuring this activity with a linear image sensor, the sample’s refractive index can be assessed and used to determine its physical properties such as concentration and density. In addition to the linear image sensor, the HI96822 uses an LED light, prism and lens to make measurement possible.\u003c\/p\u003e\n\u003cp\u003eVariations in temperature will affect the accuracy of refractometry readings, so the use of temperature compensation is highly recommended for reliable results. The HI96822 contains a built-in temperature sensor and is programmed specialized algorithms then apply temperature compensation to the measurement and convert the refractive index to PSU (Practical Salinity Units), ppt (part per thousand) or S.G. (Specific Gravity) (20\/20). PSU is defined as the conductivity ratio of seawater to a standard KCl solution. It is based upon the work of the UNESCO, ICES, SCOR, and IAPSO. This information is published in The Joint Panel of Oceanographic Tables and Standards. An older salinity scale is ppt (10-3), where salinity is defined by “the salt content is the weight of the inorganic salts contained in 1 kg of seawater if all bromide and iodide are replaced by an equivalent amount of oxides” (Knudsen, 1901). Specific Gravity (20\/20) is based upon the published relationship between density at 20 °C and the mass of dissolved salts in the seawater sample (CRC Handbook of Chemistry and Physics, 87th Edition).\u003c\/p\u003e\n\u003cp\u003e\u003cimg sizes=\"(max-width: 912px) 100vw, 912px\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=456\u0026amp;name=Refractive_Index_Diagrams.jpg 456w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=912\u0026amp;name=Refractive_Index_Diagrams.jpg 912w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=1368\u0026amp;name=Refractive_Index_Diagrams.jpg 1368w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=1824\u0026amp;name=Refractive_Index_Diagrams.jpg 1824w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=2280\u0026amp;name=Refractive_Index_Diagrams.jpg 2280w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=2736\u0026amp;name=Refractive_Index_Diagrams.jpg 2736w\" width=\"912\" alt=\"Refractive_Index_Diagrams\" src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=912\u0026amp;name=Refractive_Index_Diagrams.jpg\"\u003e\u003c\/p\u003e\n\u003ch2 class=\"section-header border-after--green text-center\"\u003eFeatures-at-a-glance\u003c\/h2\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96822-digital-refractometer-for-seawater-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eOne-point calibration\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eCalibrate with distilled or deionized water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96822-digital-refractometer-for-seawater-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eSmall sample size\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eSample size can be as small as 2 metric drops (100 μl)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96822-digital-refractometer-for-seawater-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eQuick, accurate results\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eReadings are displayed in approximately 1.5 seconds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96822-digital-refractometer-for-seawater-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eDual-level LCD\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eThe dual-level LCD displays measurement and temperature readings simultaneously\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96822-digital-refractometer-for-seawater-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eBattery indicators\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eBattery percent level remaining at startup and low battery indicator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96822-digital-refractometer-for-seawater-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eAutomatic shut-off\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eTo conserve battery life the meter shuts off automatically after three minutes of non-use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96822-digital-refractometer-for-seawater-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eIP65 water-resistant protection\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eWater resistant ABS plastic casing designed to perform under laboratory and field conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96822-digital-refractometer-for-seawater-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eStainless steel sample well\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eEasy to clean and corrosion-resistant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96822-digital-refractometer-for-seawater-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eAutomatic Temperature Compensation (ATC)\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eSamples automatically compensated for temperature variations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Name\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI96822\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSalinity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50 PSU; 0 to 150 ppt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSalinity Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 PSU; 1 ppt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSalinity Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2 PSU; ±2 ppt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecific Gravity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.000 to 1.114\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecific Gravity Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecific Gravity Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0 to 80.0°C (32.0 to 176.0°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C (0.1°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.3°C (±0.5°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic Shut-Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eafter three minutes of non-use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type \/ Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9V \/ approximately 5000 readings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e192 x 102 x 67 mm (7.6 x 4.01 x 2.6”)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e420 g (14.8 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefractometer Light Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eyellow LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefractometer Temperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eautomatic between 10 and 40°C (50 to 104°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Sample Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 μL (to cover prism totally)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSample Cell\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003estainless steel ring and flint glass prism\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapproximately 1.5 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrdering Information\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupplied with battery and instruction manual.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41466850574423,"sku":"HI96822","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI96822_2024-1200x1200-fd60c99a-009a-48f7-b0ac-9a2e79246b53__98540.jpg?v=1742679068"},{"product_id":"digital-refractometer-for-sugar-brix-analysis-in-must-and-juice-hi96811","title":"Hanna Instruments Digital Refractometer for Sugar (% Brix) Analysis in Must and Juice","description":"\u003cp\u003eThe HI96811 is a rugged, portable digital refractometer designed for sugar measurement of juice and must. The HI96811 reports sugar content as % Brix and has a high accuracy of ±0.2%. The operation of the meter is simplified with only two buttons: one button is to calibrate with distilled or deionized water and the other to take a measurement. All readings are automatically compensated for temperature variations according to the ICUMSA Methods Book standard and displayed within a 1.5 second response time. The sealed flint glass prism and stainless steel well are easy to clean. Just wipe with a soft cloth in preparation for the next sample.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSample size as small as 2 metric drops (100 μl)\u003c\/li\u003e\n\u003cli\u003eSealed stainless steel well with high-grade optical prism made of flint glass\u003c\/li\u003e\n\u003cli\u003eFast 1.5 second response time for temperature compensated readings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003eThe HI96811 Digital Refractometer converts the refractive index of a juice or must sample to % Brix. This conversion is based on the tables found in the ICUMSA Methods Book (International Commission for Uniform Methods of Sugar Analysis) that documents the changes in the refractive index with temperature for a percent by weight sucrose solution. Since the majority of sugar in grape juice and must is fructose and glucose instead of sucrose, the reading is sometimes referred to as “Apparent Brix”. Typical grapes at harvest will be between 19-24% Brix or degrees Brix (°Bx). The HI96811 is an easy-to-use tool for winemakers for measuring sugar in grapes or must, in the field or in the lab.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for winemaking sugar analysis\u003c\/li\u003e\n\u003cli\u003eTemperature Compensation algorithms based on sucrose solution\u003c\/li\u003e\n\u003cli\u003e0 to 50% Brix range with an accuracy of +\/- 0.2% Brix\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eMaking a Standard % Brix (Sucrose) Solution\u003c\/h4\u003e\n\u003cp\u003eTo make a Brix Solution, follow the procedure below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlace container (such as a glass vial or dropper bottle that has a cover) on an analytical balance.\u003c\/li\u003e\n\u003cli\u003eTare the balance.\u003c\/li\u003e\n\u003cli\u003eWeigh out X grams of high purity sucrose (CAS #: 57-50-1) directly into a beaker.\u003c\/li\u003e\n\u003cli\u003eAdd distilled or deionized water to the beaker so the total weight of the solution is 100g.\u003c\/li\u003e\n\u003cli\u003eNote: Solutions above 65% may need to be vigorously stirred or shaken and heated in a water bath to roughly 40°C (104°F).\u003c\/li\u003e\n\u003cli\u003eRemove solution when sucrose has dissolved and allow to cool before use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExample to prepare as 25% sucrose solution:\u003c\/p\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e%Brix\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSucrose (g)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eWater (g)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTotal (g)\u003cbr\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e25\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25.000\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e75.000\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100.00\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=912\u0026amp;name=Refractive_Index_Diagrams.jpg\" alt=\"Refractive_Index_Diagrams\" width=\"912\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=456\u0026amp;name=Refractive_Index_Diagrams.jpg 456w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=912\u0026amp;name=Refractive_Index_Diagrams.jpg 912w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=1368\u0026amp;name=Refractive_Index_Diagrams.jpg 1368w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=1824\u0026amp;name=Refractive_Index_Diagrams.jpg 1824w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=2280\u0026amp;name=Refractive_Index_Diagrams.jpg 2280w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=2736\u0026amp;name=Refractive_Index_Diagrams.jpg 2736w\" sizes=\"(max-width: 912px) 100vw, 912px\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv data-details=\"\" class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eRefractive Index\u003c\/h4\u003e\n\u003cp\u003eThe HI96811 takes measurements based on a sample’s refractive index. The refractive index is a measurement of how light behaves as it passes through the sample. Depending on the sample’s composition, the light will refract and reflect differently. By measuring this activity with a linear image sensor, the sample’s refractive index can be assessed and used to determine its physical properties such as concentration and density. In addition to the linear image sensor, the HI96811 uses an LED light, prism and lens to make measurement possible.\u003cbr\u003e\u003cbr\u003eVariations in temperature will affect the accuracy of refractometry readings, so the use of temperature compensation is highly recommended for reliable results. The HI96811 contains a built-in temperature sensor and is programmed with temperature compensation algorithms in accordance with the ICUMSA Methods Book Standard for a percent by weight sucrose solution.\u003c\/p\u003e\n\u003ch2 class=\"section-header border-after--green text-center\"\u003eFeatures-at-a-glance\u003c\/h2\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96811-digital-refractometer-for-brix-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eOne-point calibration\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eCalibrate with distilled or deionized water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96811-digital-refractometer-for-brix-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eSmall sample size\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eSample size can be as small as 2 metric drops (100 μl)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96811-digital-refractometer-for-brix-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eQuick, accurate results\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eReadings are displayed in approximately 1.5 seconds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96811-digital-refractometer-for-brix-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eDual-level LCD\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eThe dual-level LCD displays % Brix and temperature readings simultaneously\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96811-digital-refractometer-for-brix-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eBattery indicators\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eBattery percent level remaining at startup and low battery indicator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96811-digital-refractometer-for-brix-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eAutomatic shut-off\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eTo conserve battery life the meter shuts off automatically after three minutes of non-use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96811-digital-refractometer-for-brix-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eStainless steel sample well\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eEasy to clean and corrosion-resistant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96811-digital-refractometer-for-brix-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eIP65 water-resistant protection\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eWater resistant ABS plastic casing designed to perform under laboratory and field conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96811-digital-refractometer-for-brix-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eAutomatic Temperature Compensation (ATC)\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eSamples automatically compensated for temperature variations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Name\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI96811\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSugar Content Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50% Brix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSugar Content Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1% Brix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSugar Content Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.2% Brix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0 to 80.0°C (32.0 to 176.0°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C (0.1°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.3°C (±0.5°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic Shut-Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eafter three minutes of non-use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type \/ Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9V \/ approximately 5000 readings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e192 x 102 x 67 mm (7.6 x 4.01 x 2.6”)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e420 g (14.8 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefractometer Light Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eyellow LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefractometer Temperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eautomatic between 10 and 40°C (50 to 104°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Sample Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 μL (to cover prism totally)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSample Cell\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003estainless steel ring and flint glass prism\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapproximately 1.5 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrdering Information\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupplied with battery and instruction manual.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41466866892887,"sku":"HI96811","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI96811_2024-1200x1200-94967eac-3712-4bcf-9372-ccb095c39b4e__04588.jpg?v=1746810958"},{"product_id":"hanna-instruments-digital-refractometer-for-brewing-hi96841","title":"Hanna Instruments Digital Refractometer for Brewing - HI96841","description":"\u003cp\u003eHanna's digital refractometer for brewing measures the sugar content of wort and converts it to °Plato with the push of a single button. The HI96841 is built tough for use in a brewing environment, fast (1.5-second response), simple to use \/ clean and accurate to ±0.2 °Plato with automatic temperature compensation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSmall sample size, as small as two metric drops of wort (0.1 mL).\u003c\/li\u003e\n\u003cli\u003eOne-button calibration makes setup quick and easy.\u003c\/li\u003e\n\u003cli\u003eQuick, precise results are displayed in 1.5 seconds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y align-right\"\u003e\n\u003cdiv class=\"cell small-12  border-after--blue-wide\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003eHanna Instruments HI96841 Digital Refractometer combines form and function into one compact unit. Featuring a 1.5 second response time, the HI96841 measures the refractive index of wort and converts it to °Plato with temperature compensation. The improved easy-to-read LCD screen displays temperature units (°C or °F) and measurements simultaneously. The HI96841’s IP65 water-resistant casing and sealed sample well are built to perform under harsh conditions, making it suitable for use in any brewery.\u003cbr\u003e\u003cbr\u003eThe °Plato scale is a way to quantify the concentration of sugars and dissolved solids in wort. This measurement can indicate the potential alcohol content of finished beer. The HI96841 converts the refractive index reading to °Plato based on the tables maintained by the International Commission for Uniform Methods of Sugar Analysis (ICUMSA) and the American Society of Brewing Chemists (ASBC).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for wort sugar analysis\u003c\/li\u003e\n\u003cli\u003eTemperature compensation algorithms based on sucrose solution\u003c\/li\u003e\n\u003cli\u003e0 to 30 °Plato range with ± 0.2 °Plato\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-6\"\u003e\n\u003ch2 class=\"section-header\"\u003eRefractive Index\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cell small-12\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto small-order-1 large-order-2\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=912\u0026amp;name=Refractive_Index_Diagrams.jpg\" alt=\"Refractive_Index_Diagrams\" width=\"912\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=456\u0026amp;name=Refractive_Index_Diagrams.jpg 456w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=912\u0026amp;name=Refractive_Index_Diagrams.jpg 912w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=1368\u0026amp;name=Refractive_Index_Diagrams.jpg 1368w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=1824\u0026amp;name=Refractive_Index_Diagrams.jpg 1824w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=2280\u0026amp;name=Refractive_Index_Diagrams.jpg 2280w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=2736\u0026amp;name=Refractive_Index_Diagrams.jpg 2736w\" sizes=\"(max-width: 912px) 100vw, 912px\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-details=\"\" class=\"cell small-12 large-auto small-order-2 large-order-1\"\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003eThe HI96841 takes measurements based on a sample’s refractive index. Refractive index is a measurement of how light behaves as it passes through the sample. Depending on the sample’s composition, light will refract and reflect differently. By measuring this activity with a linear image sensor, the sample’s refractive index can be assessed and used to determine its physical properties such as concentration and density. In addition to the linear image sensor, the HI96841 uses a LED light, prism, and lens to make measurement possible.\u003cbr\u003e\u003cbr\u003eVariations in temperature will affect the density of a solution based on the compound that is present. In digital refractometry, the use of temperature compensation is necessary for accurate results. The HI96841 contains a built-in temperature sensor and is programmed with temperature compensation algorithms in accordance with the ICUMSA Methods Book for a percent by weight sucrose solution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eAlcohol Interference\u003c\/h4\u003e\n\u003cp\u003eIt should be noted that once fermentation begins, ethanol and the residual sugar interfere with each other and prevent an accurate reading of the Brix value of your residual sugar.. For this reason, this refractometer cannot be used with finished beer or other fermented beverages. It is designed for use with wort only.\u003c\/p\u003e\n\u003ch2 class=\"section-header text-center\"\u003eFeatures-at-a-glance\u003c\/h2\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y small-up-1 medium-up-2 large-up-3\"\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96841-digital-refractometer-for-beer.html\" alt=\"\"\u003e\u003cspan class=\"feature-header h4\"\u003eOne-point calibration\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eCalibrate with distilled or deionized water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96841-digital-refractometer-for-beer.html\" alt=\"\"\u003e\u003cspan class=\"feature-header h4\"\u003eSmall sample size\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eSample size can be as small as two metric drops (0.1 mL).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96841-digital-refractometer-for-beer.html\" alt=\"\"\u003e\u003cspan class=\"feature-header h4\"\u003eAutomatic Temperature Compensation (ATC)\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eSamples automatically compensated for temperature variations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96841-digital-refractometer-for-beer.html\" alt=\"\"\u003e\u003cspan class=\"feature-header h4\"\u003eQuick, accurate results\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eReadings are displayed in approximately 1.5 seconds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96841-digital-refractometer-for-beer.html\" alt=\"\"\u003e\u003cspan class=\"feature-header h4\"\u003eDual-level LCD\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eThe dual-level LCD displays measurement and temperature readings simultaneously.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96841-digital-refractometer-for-beer.html\" alt=\"\"\u003e\u003cspan class=\"feature-header h4\"\u003eStainless steel sample well\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eEasy to clean and corrosion-resistant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96841-digital-refractometer-for-beer.html\" alt=\"\"\u003e\u003cspan class=\"feature-header h4\"\u003eBattery indicators\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eBattery percent level remaining at startup and low battery indicator.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96841-digital-refractometer-for-beer.html\" alt=\"\"\u003e\u003cspan class=\"feature-header h4\"\u003eAutomatic shut-off\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eTo conserve battery life the meter shuts off automatically after three minutes of non-use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96841-digital-refractometer-for-beer.html\" alt=\"\"\u003e\u003cspan class=\"feature-header h4\"\u003eIP65 water resistant protection\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eWater resistant ABS plastic casing designed to perform under laboratory and field conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Name\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI96841\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSugar Content Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 30 °Plato\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSugar Content Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 °Plato\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSugar Content Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.2 °Plato\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0 to 80.0°C (32.0 to 176.0°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C (0.1°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.3°C (±0.5°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic Shut-Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eafter three minutes of non-use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type \/ Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9V \/ approximately 5000 readings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e192 x 102 x 67 mm (7.6 x 4.01 x 2.6”)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e420 g (14.8 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefractometer Light Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eyellow LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefractometer Temperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eautomatic between 10 and 40°C (50 to 104°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Sample Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 μL (to cover prism totally)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSample Cell\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003estainless steel ring and flint glass prism\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapproximately 1.5 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrdering Information\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupplied with battery and instruction manual.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41472914292823,"sku":"HI96841","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI96841_2024-1200x1200-6649a0cc-e4f9-43da-b516-40b9bd97b0dc__99701.jpg?v=1736120497"},{"product_id":"digital-refractometer-for-brix-and-potential-alcohol-v-v-analysis-in-wine-must-and-juice","title":"HI96813 Digital Wine Refractometer | Brix \u0026 Potential Alcohol | Hanna Instruments","description":"\u003cp\u003eThe HI96813 is a rugged, portable digital refractometer designed for sugar (% Brix) measurement and potential alcohol measurement (% V\/V) of wine, juice and must. The HI96813 features a high accuracy of ±0.2% Brix and 0.2% V\/V potential alcohol. All readings are automatically compensated for temperature variations according to the ICUMSA Methods Book standard and displayed within a 1.5 second response time. The sealed flint glass prism and stainless steel well are easy to clean. Just wipe with a soft cloth in preparation for the next sample.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSample size as small as 2 metric drops (100\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eμl\u003c\/span\u003e)\u003c\/li\u003e\n\u003cli\u003eSealed stainless steel well with high-grade optical prism made of flint glass\u003c\/li\u003e\n\u003cli\u003eFast 1.5 second response time for temperature compensated readings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe HI96813 Digital Wine Refractometer converts the refractive index of the sample to sucrose concentration in units of percent by weight, % Brix (also referred to as °Brix). The conversion used is based on the ICUMSA Methods Book (International Commission for Uniform Methods of Sugar Analysis). Since the majority of sugar in grape juice is fructose and glucose and not sucrose, the reading is sometimes referred to as “Apparent Brix”.\u003c\/p\u003e\n\u003cp\u003eThe HI 96813 allows the user to tailor the instrument to their specific needs based on their experience since no fixed conversion factor is universally applicable. The first conversion is based on the % Brix value and an adjustable conversion factor between 0.50 and 0.70 (0.55 is a common value).\u003c\/p\u003e\n\u003cp\u003ePotential alcohol (%V\/V) = (0.50 to 0.70) x % Brix\u003c\/p\u003e\n\u003cp\u003eOne drawback of the above equation is that it does not take into account the non-fermentable sugars and extract. A second equation is also available that takes these factors into account and can give a more accurate estimate of the alcohol content in the finished wine. This conversion is named “C1” on the meter, and uses the following equation:\u003c\/p\u003e\n\u003cp\u003ePotential Alcohol (%V\/V) = 0.059 x [(2.66 x °Oe) - 30] (C1)\u003cbr\u003e* 1°Oe is roughly equal 0.2% Brix\u003c\/p\u003e\n\u003cp\u003eThe HI96813 is an easy to use tool for winemakers for measuring sugar and potential alcohol in grapes or must, in the field or in the lab.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for wine sugar and potential alcohol analysis\u003c\/li\u003e\n\u003cli\u003eTemperature Compensation algorithms based on sucrose solution\u003c\/li\u003e\n\u003cli\u003e0 to 50 % Brix range with an accuracy of ± 0.2% Brix\u003c\/li\u003e\n\u003cli\u003e0-25 % potential alcohol range with an accuracy of ± 0.2% potential alcohol\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12  border-after--blue-wide\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv data-details=\"\" class=\"cell small-12 large-auto small-order-2 large-order-1\"\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eMaking a Standard % Brix (Sucrose) Solution\u003c\/h4\u003e\n\u003cp\u003eTo make a Brix Solution, follow the procedure below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlace container (such as a glass vial or dropper bottle that has a cover) on an analytical balance.\u003c\/li\u003e\n\u003cli\u003eTare the balance.\u003c\/li\u003e\n\u003cli\u003eWeigh out X grams of high purity sucrose (CAS #: 57-50-1) directly into a beaker.\u003c\/li\u003e\n\u003cli\u003eAdd distilled or deionized water to the beaker so the total weight of the solution is 100g.\u003c\/li\u003e\n\u003cli\u003eNote: Solutions above 65% may need to be vigorously stirred or shaken and heated in a water bath to roughly 40°C (104°F).\u003c\/li\u003e\n\u003cli\u003eRemove solution when sucrose has dissolved and allow to cool before use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExample to prepare as 25% sucrose solution:\u003c\/p\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e%Brix\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSucrose (g)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eWater (g)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTotal (g)\u003cbr\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e25\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25.000\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e75.000\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100.00\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y align-right\"\u003e\n\u003cdiv class=\"cell small-12\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=912\u0026amp;name=Refractive_Index_Diagrams.jpg\" alt=\"Refractive_Index_Diagrams\" width=\"912\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=456\u0026amp;name=Refractive_Index_Diagrams.jpg 456w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=912\u0026amp;name=Refractive_Index_Diagrams.jpg 912w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=1368\u0026amp;name=Refractive_Index_Diagrams.jpg 1368w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=1824\u0026amp;name=Refractive_Index_Diagrams.jpg 1824w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=2280\u0026amp;name=Refractive_Index_Diagrams.jpg 2280w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=2736\u0026amp;name=Refractive_Index_Diagrams.jpg 2736w\" sizes=\"(max-width: 912px) 100vw, 912px\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv data-details=\"\" class=\"cell small-12 large-auto\"\u003e\n\u003cdiv data-detail-item=\"\" class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eRefractive Index\u003c\/h4\u003e\n\u003cp\u003eThe HI96813 takes measurements based on a sample’s refractive index. Refractive index is a measurement of how light behaves as it passes through the sample. Depending on the sample’s composition, light will refract and reflect differently. By measuring this activity with a linear image sensor, the sample’s refractive index can be assessed and used to determine its physical properties such as concentration and density. In addition to the linear image sensor, the HI96813 uses an LED light, prism and lens to make measurement possible.\u003c\/p\u003e\n\u003cp\u003eVariations in temperature will affect the accuracy of refractometry readings, so the use of temperature compensation is highly recommended for reliable results. The HI96813 contains a built-in temperature sensor and is programmed with temperature compensation algorithms in accordance with the ICUMSA Methods Book Standard for a percent by weight sucrose solution at 20°C. These compensation algorithms vary based on the parameter being measured.\u003c\/p\u003e\n\u003ch2 class=\"section-header border-after--green text-center\"\u003eFeatures-at-a-glance\u003c\/h2\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96813-digital-refractometer-for-brix-and-potential-alcohol-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eOne-point calibration\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eCalibrate with distilled or deionized water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96813-digital-refractometer-for-brix-and-potential-alcohol-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eSmall sample size\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eSample size can be as small as 2 metric drops (100 μl)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96813-digital-refractometer-for-brix-and-potential-alcohol-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eQuick, accurate results\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eReadings are displayed in approximately 1.5 seconds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96813-digital-refractometer-for-brix-and-potential-alcohol-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eDual-level LCD\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eThe dual-level LCD displays measurement and temperature readings simultaneously\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96813-digital-refractometer-for-brix-and-potential-alcohol-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eBattery indicators\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eBattery percent level remaining at startup and low battery indicator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96813-digital-refractometer-for-brix-and-potential-alcohol-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eAutomatic shut-off\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eTo conserve battery life the meter shuts off automatically after three minutes of non-use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96813-digital-refractometer-for-brix-and-potential-alcohol-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eIP65 water-resistant protection\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eWater resistant ABS plastic casing designed to perform under laboratory and field conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96813-digital-refractometer-for-brix-and-potential-alcohol-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eStainless steel sample well\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eEasy to clean and corrosion-resistant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg class=\"feature-image float-center\" src=\"https:\/\/www.hannainst.com\/hi96813-digital-refractometer-for-brix-and-potential-alcohol-analysis-in-wine.html\" alt=\"\"\u003e\u003cspan class=\"feature-header border-after--green-fade h4\"\u003eAutomatic Temperature Compensation (ATC)\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eSamples automatically compensated for temperature variations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Name\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI96813\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSugar Content Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50% Brix; 0 to 25% V\/V Potential Alcohol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSugar Content Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1% Brix; 0.1% V\/V Potential Alcohol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSugar Content Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.2% Brix; ±0.2 %V\/V Potential Alcohol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0 to 80.0°C (32.0 to 176.0°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C (0.1°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.3°C (±0.5°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic Shut-Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eafter three minutes of non-use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type \/ Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9V \/ approximately 5000 readings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e192 x 102 x 67 mm (7.6 x 4.01 x 2.6”)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e420 g (14.8 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefractometer Light Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eyellow LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefractometer Temperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eautomatic between 10 and 40°C (50 to 104°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Sample Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 μL (to cover prism totally)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSample Cell\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003estainless steel ring and flint glass prism\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapproximately 1.5 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrdering Information\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupplied with battery and instruction manual.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41472937853015,"sku":"HI96813","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI96813_2024-1200x1200-38d1cb6d-6d10-44f0-b0da-03e8062eed20__62774.jpg?v=1746120858"},{"product_id":"hanna-instruments-digital-refractometer-for-ethylene-glycol-analysis","title":"Hanna Instruments Digital Refractometer for Ethylene Glycol Analysis","description":"\u003cp\u003eThe HI96831 is a rugged, portable digital refractometer designed for the measurement of percent volume and freezing point of ethylene glycol based solutions. The HI96831 has a high accuracy of ±0.2% volume and ±0.5\u003cspan\u003e°\u003c\/span\u003eC freezing point and features simple operation that gives reliable results each and every time. All readings are automatically compensated for temperature variations and displayed within a 1.5 second response time. The sealed flint glass prism and stainless steel well are easy to clean. Just wipe with a soft cloth in preparation for the next sample.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSample size as small as 2 metric drops (100 μl)\u003c\/li\u003e\n\u003cli\u003eSealed stainless steel well with high-grade optical prism made of flint glass\u003c\/li\u003e\n\u003cli\u003eFast 1.5 second response time for temperature compensated readings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003eThe HI96831 Digital Refractometer utilizes the measurement of refractive index to determine the percent volume and freezing points of ethylene glycol based solutions. Ethylene glycol is used in glycol cooling systems for industrial applications. Maintaining the appropriate percent of glycol is important in glycol chillers as too low of a percentage could lead to the system freezing and rupturing while too much glycol will reduce the systems efficiency. The instrument converts the refractive index of a sample to percent volume or freezing point. These conversions are based on internationally recognized references for unit conversion and temperature compensation for glycol solutions (e.g. CRC Handbook of Chemistry and Physics, 87th Edition). The HI96831 is an easy-to-use tool for measuring freezing point and percent volume in ethylene glycol solutions, in the field or in the lab.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for ethylene glycol analysis\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation\u003c\/li\u003e\n\u003cli\u003e0 - 100% Volume range with ±0.2% accuracy\u003c\/li\u003e\n\u003cli\u003e0 to -50 °C freezing point range with ±0.5 °C accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cell small-12 large-auto\" data-details=\"\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\" data-detail-item=\"\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003ch4\u003eMaking a Standard Solution\u003c\/h4\u003e\n\u003cp\u003eTo make an Ethylene Glycol Solution, follow the procedure below:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlace container (such as a glass vial or dropper bottle that has a cover) on an analytical balance.\u003c\/li\u003e\n\u003cli\u003eTare the balance.\u003c\/li\u003e\n\u003cli\u003eVolumetrically add X mL of high purity ethylene glycol (CAS #: 107-21-1; MW 62.068) to a 100 mL Grade A volumetric flask.\u003c\/li\u003e\n\u003cli\u003eUse distilled or deionized water to bring the flask close to the total volume, mix, allow the solution to return to room temperature.\u003c\/li\u003e\n\u003cli\u003eOnce the solution has returned to room temperature use distilled or deionized water to bring the total volume to 100 mL. Mix solution well before use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eEthylene Glycol\u003c\/td\u003e\n\u003ctd\u003eTotal Volume\u003c\/td\u003e\n\u003ctd\u003eExpected Freezing Point Value\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10 % V\/V\u003c\/td\u003e\n\u003ctd\u003e10.00 mL\u003c\/td\u003e\n\u003ctd\u003e100.00 mL\u003c\/td\u003e\n\u003ctd\u003e-3.8 °C (25.2 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e40 % V\/V\u003c\/td\u003e\n\u003ctd\u003e40.00 mL\u003c\/td\u003e\n\u003ctd\u003e100.00 mL\u003c\/td\u003e\n\u003ctd\u003e-26.3 °C (-15.4 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv data-hs-cos-type=\"module\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" id=\"hs_cos_wrapper_widget_1562866390569\"\u003e\n\u003csection class=\"banner--product-col2-details grid-container\"\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-6\"\u003e\n\u003ch2 class=\"section-header\"\u003eMeasurement Units\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cell small-12  border-after--blue-wide\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto small-order-1 large-order-2\"\u003e\n\u003cp\u003e\u003cimg sizes=\"(max-width: 1200px) 100vw, 1200px\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/brix-measurement-unit-chart.png?width=600\u0026amp;name=brix-measurement-unit-chart.png 600w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/brix-measurement-unit-chart.png?width=1200\u0026amp;name=brix-measurement-unit-chart.png 1200w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/brix-measurement-unit-chart.png?width=1800\u0026amp;name=brix-measurement-unit-chart.png 1800w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/brix-measurement-unit-chart.png?width=2400\u0026amp;name=brix-measurement-unit-chart.png 2400w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/brix-measurement-unit-chart.png?width=3000\u0026amp;name=brix-measurement-unit-chart.png 3000w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/brix-measurement-unit-chart.png?width=3600\u0026amp;name=brix-measurement-unit-chart.png 3600w\" width=\"1200\" alt=\"brix-measurement-unit-chart\" src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/brix-measurement-unit-chart.png?width=1200\u0026amp;name=brix-measurement-unit-chart.png\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cell small-12 large-auto small-order-2 large-order-1\" data-details=\"\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\" data-detail-item=\"\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003eFreezing point is displayed as a temperature from 0.0 to -50.0 °C corresponding to 0-58 % by volume. The display blinks the freezing point when the concentration of Ethylene glycol is greater than 78 % concentration by volume. When the display shows “LO”, the freezing point is at a minimum (below -50 °C).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col2-detail-group grid-x grid-padding-x grid-padding-y align-right\"\u003e\n\u003cdiv class=\"cell small-12 large-6\"\u003e\n\u003ch2 class=\"section-header\"\u003eRefractive Index\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cell small-12\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003e\u003cimg sizes=\"(max-width: 912px) 100vw, 912px\" srcset=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=456\u0026amp;name=Refractive_Index_Diagrams.jpg 456w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=912\u0026amp;name=Refractive_Index_Diagrams.jpg 912w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=1368\u0026amp;name=Refractive_Index_Diagrams.jpg 1368w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=1824\u0026amp;name=Refractive_Index_Diagrams.jpg 1824w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=2280\u0026amp;name=Refractive_Index_Diagrams.jpg 2280w, https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=2736\u0026amp;name=Refractive_Index_Diagrams.jpg 2736w\" width=\"912\" alt=\"Refractive_Index_Diagrams\" src=\"https:\/\/www.hannainst.com\/hs-fs\/hubfs\/Refractive_Index_Diagrams.jpg?width=912\u0026amp;name=Refractive_Index_Diagrams.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cell small-12 large-auto\" data-details=\"\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y\" data-detail-item=\"\"\u003e\n\u003cdiv class=\"cell small-12 large-auto\"\u003e\n\u003cp\u003eThe HI96831 takes measurements based on a sample’s refractive index. Refractive index is a measurement of how light behaves as it passes through the sample. Depending on the sample’s composition, light will refract and reflect differently. By measuring this activity with a linear image sensor, the sample’s refractive index can be assessed and used to determine its physical properties such as concentration and density. In addition to the linear image sensor, the HI96831 uses an LED light, prism and lens to make measurement possible.\u003cbr\u003e\u003cbr\u003eVariations in temperature will affect the accuracy of refractometry readings, so the use of temperature compensation is highly recommended for reliable results. The HI96831 contains a built-in temperature sensor and is programmed with temperature compensation algorithms in accordance with internationally recognized references which vary based on the parameter being measured.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv data-hs-cos-type=\"module\" data-hs-cos-general-type=\"widget\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" id=\"hs_cos_wrapper_widget_1562866407847\"\u003e\n\u003csection class=\"banner--product-features\"\u003e\n\u003cdiv class=\"grid-container features-container\"\u003e\n\u003cdiv class=\"grid-x grid-padding-x align-center feature-block-list\"\u003e\n\u003cdiv class=\"cell small-12 large-10\"\u003e\n\u003ch2 class=\"section-header text-center\"\u003eFeatures-at-a-glance\u003c\/h2\u003e\n\u003cdiv class=\"grid-x grid-padding-x grid-padding-y small-up-1 medium-up-2 large-up-3\"\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96831-digital-refractometer-for-ethylene-glycol-freezing-point-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header h4\"\u003eOne-point calibration\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eCalibrate with distilled or deionized water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96831-digital-refractometer-for-ethylene-glycol-freezing-point-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header h4\"\u003eSmall sample size\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eSample size can be as small as 2 metric drops (100 μl)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96831-digital-refractometer-for-ethylene-glycol-freezing-point-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header h4\"\u003eAutomatic Temperature Compensation (ATC)\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eSamples automatically compensated for temperature variations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96831-digital-refractometer-for-ethylene-glycol-freezing-point-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header h4\"\u003eQuick, accurate results\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eReadings are displayed in approximately 1.5 seconds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96831-digital-refractometer-for-ethylene-glycol-freezing-point-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header h4\"\u003eDual-level LCD\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eThe dual-level LCD displays measurements and temperature readings simultaneously\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96831-digital-refractometer-for-ethylene-glycol-freezing-point-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header h4\"\u003eStainless steel sample well\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eEasy to clean and corrosion-resistant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96831-digital-refractometer-for-ethylene-glycol-freezing-point-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header h4\"\u003eBattery indicators\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eBattery percent level remaining at startup and low battery indicator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96831-digital-refractometer-for-ethylene-glycol-freezing-point-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header h4\"\u003eAutomatic shut-off\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eTo conserve battery life the meter shuts off automatically after three minutes of non-use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature cell\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/www.hannainst.com\/hi96831-digital-refractometer-for-ethylene-glycol-freezing-point-analysis.html\" class=\"feature-image float-center\"\u003e\u003cspan class=\"feature-header h4\"\u003eIP65 water resistant protection\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eWater resistant ABS plastic casing designed to perform under laboratory and field conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Name\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI96831\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEthylene Glycol Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEthylene Glycol Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEthylene Glycol Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.2 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFreezing Point (FP) Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to -50°C (32 to -58°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFreezing Point (FP) Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C (0.1°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFreezing Point (FP) Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5°C (±1.0°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0 to 80.0°C (32.0 to 176.0°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C (0.1°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.3°C (±0.5°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic Shut-Off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eafter three minutes of non-use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type \/ Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9V \/ approximately 5000 readings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e192 x 102 x 67 mm (7.6 x 4.01 x 2.6”)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e420 g (14.8 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefractometer Light Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eyellow LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefractometer Temperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eautomatic between 10 and 40°C (50 to 104°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Sample Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 μL (to cover prism totally)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSample Cell\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003estainless steel ring and flint glass prism\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapproximately 1.5 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrdering Information\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupplied with battery and instruction manual.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41485065879639,"sku":"HI96831","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI96831_2024-1200x1200-d3a7008a-4830-434c-b2ea-0177bf3033ee__17842.jpg?v=1736561865"},{"product_id":"hanna-instruments-zero-oxygen-solution-set-500-ml","title":"Hanna Instruments Zero Oxygen Solution Set (500 mL)","description":"\u003cp\u003eHI7040L is a high quality, bicomponent zero oxygen solution made from reagent grade chemicals. Hanna dissolved oxygen solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePrepared with reagent grade chemicals\u003c\/li\u003e\n\u003cli\u003eHassle-free, easy to mix chemical component bottles\u003c\/li\u003e\n\u003cli\u003eAir-tight seal to ensure the quality of the solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHI7040L is a bicomponent zero oxygen solution designed for calibrating both polarographic and galvanic dissolved oxygen sensors. By simply immersing the dissolved oxygen probe in the solution users can quickly calibrate to 0% oxygen concentration, allowing for accurate follow-up measurements of dissolved oxygen in their sample. Hanna dissolved oxygen solutions are produced in our state-of-the-art manufacturing facility using reagent grade chemicals in a temperature controlled environment.  \u003c\/p\u003e\n\u003ch4\u003eThe HI7040L bottle is labeled with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProduct code\u003c\/li\u003e\n\u003cli\u003eLot number\u003c\/li\u003e\n\u003cli\u003eExpiration date\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAir tight bottle with tamper-proof seal\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEnsures quality and freshness of solution\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41488256630871,"sku":"HI7040L","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI7040L.jpg?v=1736729570"},{"product_id":"dissolved-oxygen-probe-electrolyte-solution-230ml-bottle","title":"Hanna Instruments Dissolved Oxygen probe electrolyte solution (230mL) bottle","description":"\u003cp\u003eThe HI7041M electrolyte fill solution has been developed for Hanna's polarographic dissolved oxygen probes. Having the correct electrolyte solution is crucial to the performance of your dissolved oxygen probe.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade with reagent grade chemicals\u003c\/li\u003e\n\u003cli\u003eLong-lasting supply of electrolyte\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eHI7041M is designed to refill the electrolyte solution for polarographic dissolved oxygen probes. Polarographic sensor technology is based on the Ross and Clark polarographic measurement method. An oxygen probe is composed of a platinum electrode and a solid silver electrode. The HI7041M is a concentrated Potassium Chloride solution held in place over the electrode by a PTFE (Polytetrafluoroethylene) membrane. With polarographic technology, an external voltage is applied to the platinum cathode, silver anode, electrolyte solution and gas-permeable membrane to establish a current that is proportional to the concentration of oxygen in a solution.\u003c\/span\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41613426032727,"sku":"HI7041M","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/electrolyte-solution-hi7041m__90317.jpg?v=1742256358"}],"url":"https:\/\/getultimatenow.com\/collections\/hanna-instruments\/hi98100+high-range-reagents+photometer-accessories.oembed","provider":"Get Ultimate Now ","version":"1.0","type":"link"}