{"title":"Milwaukee Digital Pen Testers","description":"\u003ch2\u003eMilwaukee Digital Pen Testers — Simple, Affordable pH, EC \u0026amp; TDS Testing\u003c\/h2\u003e\u003cp\u003eMilwaukee Instruments digital pen testers make professional water quality testing accessible to everyone. Designed around a philosophy of simplicity — quality hardware, super simple operation, and affordable pricing — Milwaukee digital pens deliver accurate pH, EC, TDS, and temperature readings without the complexity of full-featured meters. Say goodbye to unreliable test strips and hello to fast, digital results.\u003c\/p\u003e\u003ch3\u003eMilwaukee Digital Pen Range\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Pen Testers:\u003c\/strong\u003e Pocket-sized digital pH meters with automatic temperature compensation (ATC) for accurate pH readings in water, nutrient solutions, pools, and aquariums\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Pen Testers:\u003c\/strong\u003e Compact electrical conductivity pens for fast nutrient concentration checks in hydroponic and aquaculture applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTDS Pen Testers:\u003c\/strong\u003e Total dissolved solids pens for quick water purity and mineral content checks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH \u0026amp; EC Combo Pens:\u003c\/strong\u003e Dual-parameter pens measuring both pH and EC\/TDS in a single compact instrument\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSalinity Pen Testers:\u003c\/strong\u003e Digital salinity pens for marine aquariums, aquaculture, and food processing applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose Milwaukee Digital Pens?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital. Simple. Compact:\u003c\/strong\u003e Clear digital display replaces guesswork of test strips — fast, accurate, repeatable readings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAffordable Professional Quality:\u003c\/strong\u003e Lab-grade measurement technology at entry-level price points — accessible for hobbyists and professionals alike\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePocket-Ready Portability:\u003c\/strong\u003e Slim pen form factor fits in a shirt pocket — always ready for a quick spot check\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Compensation (ATC):\u003c\/strong\u003e Accurate readings regardless of solution temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable Probes:\u003c\/strong\u003e Select models feature replaceable electrodes to extend instrument lifespan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Cables, No Complexity:\u003c\/strong\u003e Self-contained, battery-powered operation — ready to use straight out of the box\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHydroponics \u0026amp; greenhouse nutrient solution monitoring\u003c\/li\u003e\n\u003cli\u003eAquariums, ponds, and aquaculture water quality checks\u003c\/li\u003e\n\u003cli\u003ePool and spa pH and TDS testing\u003c\/li\u003e\n\u003cli\u003eDrinking water and tap water quality verification\u003c\/li\u003e\n\u003cli\u003eFood and beverage pH spot checks\u003c\/li\u003e\n\u003cli\u003eSoil and compost pH testing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eShop Milwaukee digital pen testers at Get Ultimate Now — genuine instruments, simple operation, and fast shipping.\u003c\/p\u003e","products":[{"product_id":"milwaukee-ph600aq-digital-ph-pen","title":"Milwaukee pH600AQ Digital pH Pen","description":"\u003ch1 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eDIGITAL. SIMPLE. COMPACT.\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eOver 200,000 people\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003ehave relied on the Milwaukee pH600AQ compact pH pen tester to move from difficult to use and interpret pH strips to digital testing.\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eSUMMARY\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee pH600AQ compact pen tester is specifically designed to help maintain aquariums and aquaculture. Keeping the proper pH improves results for aquarium fish and quality in a range of fish raised in aqulculture.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eUse digital accuracy to keep pH in your target range for better results.\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eWHAT PEOPLE ARE SAYING\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\"Accurate results and calibrated right out of the box.\"\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\"Must have for any aquarium owner.\"\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\"Good value. Easy to use. Consistent.\"\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eDESIGN FEATURES\u003c\/h2\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFast, accurate results with digital LCD readout\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eEasy measurement: just place the probe in the sample, gently stir and wait for the reading to stabilize\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSimple one-point calibration with an easy-to-use trimmer located on the back of the pH tester to protect from accidental splashes\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eCap to protect the pH sensor and keep it wet when stored upright\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eLow power demand for extended battery life (batteries included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eUSE AND CARE\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maitenance Kit code\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cb data-mce-fragment=\"1\"\u003ePH-Main\u003c\/b\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eat checkout time!  This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHere are our top four tips. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e1. Always store upright with the cap full of buffer or storage solution MA9015 not water.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e2. Clean your pH Pen Tester regularly by soaking in cleaning solution MA9016.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e3. Calibrate after cleaning and\/or storage before testing to adjust for changes in the pH sensor.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e4. Gently stir the Pen in the sample for a faster result.\u003c\/p\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003epH range: 0.0 to 14.0 pH\u003c\/li\u003e\n\u003cli\u003eResolution: 0.1 pH\u003c\/li\u003e\n\u003cli\u003eAccuracy: +\/- 0.1 pH\u003c\/li\u003e\n\u003cli\u003eTypical EMC Deviation: +\/- 0.2 pH\u003c\/li\u003e\n\u003cli\u003eCalibration: Manual, 1 Point\u003c\/li\u003e\n\u003cli\u003eEnvironment: 32 F to 122 F, 95% RH\u003c\/li\u003e\n\u003cli\u003eApproximate dimensions: 6 x 1.2 x 0.95 inches\u003c\/li\u003e\n\u003cli\u003eWeight: 3 ounce\u003c\/li\u003e\n\u003cli\u003eBattery Life: 700 hours\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003ciframe title=\"pH 600 Calibration\" src=\"https:\/\/www.youtube.com\/embed\/BLWUhpop3P4\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":39990207905879,"sku":"PH600AQ","price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/pH600_incl__68934.jpg?v=1709320840"},{"product_id":"milwaukee-ph600aq-digital-ph-pen-aquarium-tester","title":"Milwaukee pH600-BOX Digital pH Pen","description":"\u003ch1 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eDIGITAL. SIMPLE. COMPACT.\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eOver 200,000 people\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003ehave relied on the Milwaukee pH600AQ compact pH pen tester to move from difficult to use and interpret pH strips to digital testing.\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eSUMMARY\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee pH600AQ compact pen tester is specifically designed to help maintain aquariums and aquaculture. Keeping the proper pH improves results for aquarium fish and quality in a range of fish raised in aqulculture.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eUse digital accuracy to keep pH in your target range for better results.\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eWHAT PEOPLE ARE SAYING\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\"Accurate results and calibrated right out of the box.\"\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\"Must have for any aquarium owner.\"\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\"Good value. Easy to use. Consistent.\"\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eDESIGN FEATURES\u003c\/h2\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFast, accurate results with digital LCD readout\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eEasy measurement: just place the probe in the sample, gently stir and wait for the reading to stabilize\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSimple one-point calibration with an easy-to-use trimmer located on the back of the pH tester to protect from accidental splashes\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eCap to protect the pH sensor and keep it wet when stored upright\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eLow power demand for extended battery life (batteries included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eUSE AND CARE\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maitenance Kit code\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cb data-mce-fragment=\"1\"\u003ePH-Main\u003c\/b\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eat checkout time!  This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHere are our top four tips. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e1. Always store upright with the cap full of buffer or storage solution MA9015 not water.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e2. Clean your pH Pen Tester regularly by soaking in cleaning solution MA9016.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e3. Calibrate after cleaning and\/or storage before testing to adjust for changes in the pH sensor.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e4. Gently stir the Pen in the sample for a faster result.\u003c\/p\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003epH range: 0.0 to 14.0 pH\u003c\/li\u003e\n\u003cli\u003eResolution: 0.1 pH\u003c\/li\u003e\n\u003cli\u003eAccuracy: +\/- 0.1 pH\u003c\/li\u003e\n\u003cli\u003eTypical EMC Deviation: +\/- 0.2 pH\u003c\/li\u003e\n\u003cli\u003eCalibration: Manual, 1 Point\u003c\/li\u003e\n\u003cli\u003eEnvironment: 32 F to 122 F, 95% RH\u003c\/li\u003e\n\u003cli\u003eApproximate dimensions: 6 x 1.2 x 0.95 inches\u003c\/li\u003e\n\u003cli\u003eWeight: 3 ounce\u003c\/li\u003e\n\u003cli\u003eBattery Life: 700 hours\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/PH600-Box_480x480.png?v=1672938703\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":40116040204375,"sku":"PH600BOXB","price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/pH600-front-cap__99700_068147db-90a5-4201-9133-079d5e854993.webp?v=1709320803"},{"product_id":"milwaukee-cd611-digital-conductivity-pen-ec-meter","title":"Milwaukee CD611 Digital Conductivity Pen - EC Meter for Water Quality Testing","description":"\u003ch2\u003eMilwaukee CD611 Digital Conductivity Pen – Precision EC Measurement\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eMilwaukee CD611 Digital Conductivity Pen\u003c\/strong\u003e is a compact, portable EC (electrical conductivity) meter designed for fast, accurate water quality testing in hydroponics, pool maintenance, aquariums, food \u0026amp; beverage production, and water treatment applications. This handheld pen combines lab-grade accuracy with field-ready convenience, making it ideal for professionals and enthusiasts who need reliable conductivity measurement on the go.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital EC measurement\u003c\/strong\u003e – precise electrical conductivity readings for water quality analysis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable pen design\u003c\/strong\u003e – compact and easy to use in the field or lab\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple operation\u003c\/strong\u003e – easy-to-read digital display with intuitive interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast results\u003c\/strong\u003e – quick readings for efficient testing workflows\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e – built to withstand demanding environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery powered\u003c\/strong\u003e – portable operation without AC power requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFood \u0026amp; beverage grade\u003c\/strong\u003e – suitable for quality control in food and beverage production\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003ePerfect for hydroponic nutrient monitoring, pool and spa water quality, aquarium salinity management, food and beverage quality control, drinking water testing, reverse osmosis system performance, and industrial water treatment. Whether you're a grower, water treatment professional, food QC technician, or aquarium enthusiast, the CD611 delivers the precision you need for confident EC measurement.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: CD611\u003c\/li\u003e\n\u003cli\u003eParameter: Electrical Conductivity (EC)\u003c\/li\u003e\n\u003cli\u003eProduct Type: Digital Conductivity Pen\u003c\/li\u003e\n\u003cli\u003eDisplay: Digital LCD\u003c\/li\u003e\n\u003cli\u003ePower: Battery operated\u003c\/li\u003e\n\u003cli\u003eWeight: 5 oz\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: Romania\u003c\/li\u003e\n\u003cli\u003eSKU: CD611\u003c\/li\u003e\n\u003cli\u003eBarcode: 810666001697\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTrust Milwaukee Instruments for durable, accurate water testing solutions that meet the demands of professionals in hydroponics, food \u0026amp; beverage, aquaculture, and water quality management.\u003c\/p\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":40230652739671,"sku":"CD611","price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/CD611.jpg?v=1736819130"},{"product_id":"milwaukee-cd610-high-range-tds-meter-pen","title":"Milwaukee CD610 High Range TDS Meter Pen - 0-10000 ppm Digital Water Tester","description":"\u003ch1 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eDIGITAL. SIMPLE. COMPACT.\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee CD610 Total Dissolved Solids High Range (PPM)  Pen is designed for aquariums, pools and education and many other applications. The CD610 helps make sure that you keep your fish tank water clean and healthy. It is a cost effective tool for teacher's science labs. Keep PPM in your target range to help your achieve better results.\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eDESIGN FEATURES\u003c\/h2\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMeasures Total Dissovled Solids (PPM) direct and with automatic temperature compensation.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIdeal range for aquariums and pools (0 to 10000 ppm).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eUnits in ppm easily convertable to uS\/cm.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAutomatic Temperature Compensation (ATC).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e350 hours continuous use (4 x 1.5V batteries included).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSimple one point calibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eCARE AND USE\u003c\/h2\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMAINTENANCE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eEC\/PPM electrodes can develop nutrient build up over time. To miminize build up, always rinse the probe in fresh tap or DI water after every use.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eCONVERTING TDS TO EC\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee TDS\/PPM Pen, like all TDS meters, provides a reading  measured in parts per million of contaminates per unit of volume in a solution.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eTDS\/PPM is often converted to uS\/cm. Different scales include the 500 scale, 650 scale and the 700 scale. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eYour TDS\/PPM reading can be approximately converted to uS\/cm as shown in the examples below.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e1 ppm = 2 uS\/cm on the 0.5 factor scale\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1 ppm = 1.43 µ\u003c\/span\u003eS\/cm on the 442 scale or .70 factor scale\u003c\/p\u003e\n\u003cdiv class=\"uCalc_222669 uc-frame-show\" data-mce-fragment=\"1\"\u003e\u003ciframe class=\"uCalc-frame_222669\" src=\"https:\/\/api.ucalc.pro\/api\/222669?bg_color=transparent\u0026amp;TID=S1FdXkRd#https%3A%2F%2Fmilwaukeeinstruments.com%2Fmilwaukee-cd610-digital-high-range-tds-pen%2F\" data-mce-fragment=\"1\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv class=\"uCalc_222669 uc-frame-show\" data-mce-fragment=\"1\"\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0 to 10000 ppm\u003c\/li\u003e\n\u003cli\u003eResolution: 100 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy@20°C (68°F): ±2% full Scale\u003c\/li\u003e\n\u003cli\u003eTypical EMC Deviation: ±2% full Scale\u003c\/li\u003e\n\u003cli\u003eCalibration: Manual, at 1 point through trimmer\u003c\/li\u003e\n\u003cli\u003eTemperature Compensation: Automatic from 5 to 50°C (41 to 122°F), with ß=2%\/°C\u003c\/li\u003e\n\u003cli\u003eEnvironment: 0 to 50°C \/ 32 to 122°F; max RH 100%\u003c\/li\u003e\n\u003cli\u003eBattery Type: 4 x 1.5V Alkaline (included)\u003c\/li\u003e\n\u003cli\u003eBattery Life: Approx. 350 hours of continuous use\u003c\/li\u003e\n\u003cli\u003eCalibration Solution: M10038B (25 sachets 20 mL ea.)\u003c\/li\u003e\n\u003cli\u003eDimensions: 6 x 1.2 x 0.95 inches (180 x 65 x 32 mm)\u003c\/li\u003e\n\u003cli\u003eWeight: 3.5 ounces (0.99 g)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uCalc_222669 uc-frame-show\" data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":40230658474071,"sku":"CD610","price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/CD610.jpg?v=1736818967"},{"product_id":"milwaukee-cd600-digital-total-dissolved-solids-pen-tds","title":"Milwaukee CD600 Digital Total Dissolved Solids Pen (TDS)","description":"\u003ch1 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eDIGITAL. SIMPLE. COMPACT.\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee CD600 Total Dissolved Solids (TDS) Pen is designed for hydroponics, aquariums, horticulture, water conditioning and many other applications. The CD600 helps you make sure that your plants are receiving the right amount of nutrient or helps you keep your filters up-to-date and clean for water filtration. Keep TDS in your target range to help your achieve better results.\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eDESIGN FEATURES\u003c\/h2\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMeasures Total Disolved (TDS) direct and with automatic temperature compensation.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIdeal range for hydroponics (0 to 1990 ppm).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eUnits in ppm easily convertable to uS\/cm.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAutomatic Temperature Compensation (ATC).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e350 hours continuous use (4 x 1.5V batteries included).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSimple one point calibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eCARE AND USE\u003c\/h2\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMAINTENANCE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eTDS\/PPM electrodes can develop nutrient build up over time. To miminize build up, always rinse the probe in fresh tap or DI water after every use.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eCONVERTING TDS TO EC\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee TDS Pen, like all TDS meters, provides a measure of Total Dissolved Solids (ppm) reading, of contaminates per unit of volume in a solution.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eTDS\/PPM is often converted to uS\/cm. Different scales include the 500 scale, 650 scale and the 700 scale. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eYour TDS\/PPM readings can be approximately converted to uS\/cm as shown in the examples below.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e1 ppm = 2 uS\/cm on the 0.5 factor scale\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1 ppm = 1.43 µ\u003c\/span\u003eS\/cm on the 442 scale or .70 factor scale\u003c\/p\u003e\n\u003cdiv class=\"uCalc_222669 uc-frame-show\" data-mce-fragment=\"1\"\u003eSPECIFICATIONS\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uCalc_222669 uc-frame-show\" data-mce-fragment=\"1\"\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0 to 1990 ppm\u003c\/li\u003e\n\u003cli\u003eResolution: 10 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±2% Full Scale\u003c\/li\u003e\n\u003cli\u003eTypical EMC Deviation: ±2% Full Scale\u003c\/li\u003e\n\u003cli\u003eCalibration: Manual, at 1 point through trimmer\u003c\/li\u003e\n\u003cli\u003eTemperature Compensation: Automatic from 5 to 50°C, with ß=2%\/°C\u003c\/li\u003e\n\u003cli\u003eEnvironment: 0 to 50°C \/ 32 to 122°F; max RH 100%\u003c\/li\u003e\n\u003cli\u003eBattery Type: 4 x 1.5V Alkaline (included)\u003c\/li\u003e\n\u003cli\u003eBattery Life: Approx. 350 hours of continuous use\u003c\/li\u003e\n\u003cli\u003eCalibration Solution: M10032B (25 sachets 20 mL ea.)\u003c\/li\u003e\n\u003cli\u003eDimensions: 6 x 1.2 x 0.95 inches (180 x 65 x 32 mm)\u003c\/li\u003e\n\u003cli\u003eWeight: 3.5 ounces (0.99 g)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":40239416508503,"sku":"CD600","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/CD600.jpg?v=1736818700"},{"product_id":"milwaukee-cd601-digital-conductivity-pen-ec","title":"Milwaukee CD601 Digital Conductivity Pen (EC)","description":"\u003ch1 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eDIGITAL. SIMPLE. COMPACT.\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee CD601 digital electrical conductivity (EC)  Pen is designed for aquariums, aquaculture, pools, water conditioning and many other applications. The CD601 helps you make sure that your water has the right amount of nutrient to help keep fish tanks healthy or helps you keep your filters up-to-date and clean for water filtration. Keep EC in your target range to help your achieve better results.\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eDESIGN FEATURES\u003c\/h2\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMeasures microSiemens (uS\/cm) direct and with automatic temperature compensation.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIdeal range for aquariums (0 to 1990 uS\/cm).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eUnits in uS\/cm are easily convertable to (ppm).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAutomatic Temperature Compensation (ATC).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e350 hours continuous use (4 x 1.5V batteries included).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSimple one point calibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eCARE AND USE\u003c\/h2\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMAINTENANCE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eEC electrodes can develop nutrient build up over time. To miminize build up, always rinse the probe in fresh tap or DI water after every use.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eCONVERTING EC TO TDS\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee EC Pen, like all conductivity meters, provides a measure of electrically charged ions in a solution and is an absolute measure of conductivity.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eEC is often converted to TDS in parts per million (ppm). Different scales include the 500 scale, 650 scale and the 700 scale. However, true PPM can only be determined through chemical analysis.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eYour mS\/cm reading can be approximately converted to TDS (ppm) as shown in the examples below.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e2,000\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eµ\u003c\/span\u003eS\/cm = 2.0 mS\/cm = 1000 ppm on .50 factor scale\u003cbr data-mce-fragment=\"1\"\u003e2,000\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eµ\u003c\/span\u003eS\/cm = 2.0 mS\/cm = 1400 ppm on the 442 scale or .70 factor scale\u003c\/p\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"uCalc_222669 uc-frame-show\"\u003eSPECIFICATIONS\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"uCalc_222669 uc-frame-show\"\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0 to 1990 uS\/cm\u003c\/li\u003e\n\u003cli\u003eResolution: 10 uS\/cm\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±2% Full Scale\u003c\/li\u003e\n\u003cli\u003eTypical EMC Deviation: ±1% Full Scale\u003c\/li\u003e\n\u003cli\u003eCalibration: Manual, at 1 point through trimmer\u003c\/li\u003e\n\u003cli\u003eTemperature Compensation: Automatic from 5 to 50°C (41 to 122°F), with ß=2%\/°C\u003c\/li\u003e\n\u003cli\u003eEnvironment: 0 to 50°C \/ 32 to 122°F; max RH 100%\u003c\/li\u003e\n\u003cli\u003eCalibration Solution: M10031B (25 sachets x 20 mL ea.)\u003c\/li\u003e\n\u003cli\u003eBattery Type: 4 x 1.5V Alkaline (included)\u003c\/li\u003e\n\u003cli\u003eBattery Life: Approx. 350 hours of continuous use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":40239436202071,"sku":"CD601","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/CD601.jpg?v=1736818823"},{"product_id":"milwaukee-ec59-pro-waterproof-3-in-1-conductivity-tds-temperature-tester-with-replaceable-probe","title":"Milwaukee EC59 PRO Waterproof 3-in-1 Conductivity \/ TDS \u0026 Temperature Tester with Replaceable Probe","description":"\u003ch2 data-mce-fragment=\"1\"\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee EC59 PRO Conductivity (EC) \u0026amp; Total Dissolved Solids (TDS) Tester is designed for aquaculture, food, wine, laboratory, water treament and many other applications. It is the ideal meter to help make sure that your EC\/TDS\/Temp. needs are being met and are reliable results for your analysis. Keep EC\/TDS\/TEMP. in your target range to help your achieve best results.\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eDESIGN FEATURES\u003c\/h2\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMeasures EC\/TDS\/Temp. with automatic temperature compensation (ATC).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIdeal range for all different applications (0 to 3999 uS\/cm) | 0 to  2000 ppm | 0.0 to 60°C (32.0 to 140.0°F). \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eUnits in uS\/cm or ppm easily convertable to other ranges.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReplaceable electrode Mi59P.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eFully waterproof to IP65.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eApproximately 100 hours of use (4 x 1.5V batteries included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eCARE AND USE\u003c\/h2\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMAINTENANCE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eEC electrodes can develop nutrient build up over time. To miminize build up, always rinse the probe in fresh tap water after every use.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eCONVERTING EC TO TDS\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee PRO Conductivity Tester, like all conductivity meters, provides a measure of electrically charged ions in a solution and is an absolute measure of conductivity.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eEC\/TDS can converted. Different scales include the 500 scale, 650 scale and the 700 scale. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eYour uS\/cm reading can be approximately converted to other scales as shown in the examples below.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e2.00 mS\/cm = 2000 uS\/cm = 1000 ppm on .50 factor scale\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e2.00 mS\/cm = 2000 uS\/cm = 1400 ppm on the 442 scale or .70 factor scale\u003c\/p\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEC Range: 0 - 3999 uS\/cm\u003c\/li\u003e\n\u003cli\u003eTDS Range: 0 - 2000 ppm\u003c\/li\u003e\n\u003cli\u003eTemp Range: 0.0 to 60.0°C \/ 32.0 to 140.0°F\u003c\/li\u003e\n\u003cli\u003eEC Resolution: 1 uS\/cm\u003c\/li\u003e\n\u003cli\u003eTDS Resolution: 1 ppm\u003c\/li\u003e\n\u003cli\u003eTemp Resolution: 0.1°C \/ 0.1°F\u003c\/li\u003e\n\u003cli\u003eEC Accuracy: 2% Full Scale\u003c\/li\u003e\n\u003cli\u003eTDS Accuracy: 2% Full Scale\u003c\/li\u003e\n\u003cli\u003eTemp Accuracy: ±0.5°C \/ ±1°F\u003c\/li\u003e\n\u003cli\u003eEC Typical EMC Deviation: 2% Full Scale\u003c\/li\u003e\n\u003cli\u003eTDS Typical EMC Deviation: 2% Full Scale Temp\u003cbr\u003eTypical EMC Deviation Temperature: ±0.5°C \/ ±1°F\u003c\/li\u003e\n\u003cli\u003eCalibration: Automatic, 1 point\u003c\/li\u003e\n\u003cli\u003eTemperature Compensation: Automatic, with β=0.0 to 2.4%\/°C\u003c\/li\u003e\n\u003cli\u003eProbe: Mi59P (replaceable)\u003c\/li\u003e\n\u003cli\u003eEnvironment: 0 to 50°C \/ 32 to 122°F; max RH 100%\u003c\/li\u003e\n\u003cli\u003eBattery Type: 4 x 1.5V; IEC LR44, A76 (included)\u003c\/li\u003e\n\u003cli\u003eBattery Life: Approx. 100 hours of use\u003c\/li\u003e\n\u003cli\u003eAuto-off: After 8 minutes of non-use\u003c\/li\u003e\n\u003cli\u003eDimensions: 7.9 × dia 1.5 inches\u003c\/li\u003e\n\u003cli\u003eWeight: 3.5 ounces\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":40239452422231,"sku":"EC59","price":77.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/EC59_Pro.jpg?v=1736878897"},{"product_id":"milwaukee-ec60-pro-waterproof-3-in-1-ec-tds-temp-tester-with-replaceable-probe","title":"Milwaukee EC60 PRO Waterproof 3-in-1 EC \/ TDS\/Temp Tester with Replaceable Probe","description":"\u003ch2 data-mce-fragment=\"1\"\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee EC60 PRO Conductivity Tester is designed for hydroponic and other growers to help you make sure that your plants have the ideal amount of nutrient avaiable. Keep EC in your target range to help your achieve better results.\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eDESIGN FEATURES\u003c\/h2\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMeasures conductivity and TDS with automatic temperature compensation.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIdeal range for hydroponic and other growers (0.00 to 20.00 mS\/cm).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eUnits in mS\/cm or ppt easily convertable to ppm.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReplaceable electrode.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eFully waterproof to IP65.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eApproximately 100 hours of use (4 x 1.5V batteries included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eCARE AND USE\u003c\/h2\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMAINTENANCE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eEC electrodes can develop nutrient build up over time. To miminize build up, always rinse the probe in fresh tap water after every use.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eCONVERTING EC TO TDS\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee EC60 PRO Conductivity Tester, like all conductivity meters, provides a measure of electrically charged ions in a solution and is an absolute measure of conductivity.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eIn Hydroponics, EC is often converted to TDS in parts per million (ppm). Different scales include the 500 scale, 650 scale and the 700 scale. However, true PPM can only be determined through chemical analysis.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eYour mS\/cm reading can be approximately converted to TDS (ppm) as shown in the examples below.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e2.00 mS\/cm = 2000 uS\/cm = 1000 ppm on .50 factor scale\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e2.00 mS\/cm = 2000 uS\/cm = 1400 ppm on the 442 scale or .70 factor scale\u003c\/p\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEC Range: 0.00-20.00 mS\/cm\u003c\/li\u003e\n\u003cli\u003eTDS Range: 0.00-10.00 ppt\u003c\/li\u003e\n\u003cli\u003eTemp Range: 0.0 to 60.0°C \/ 32.0 to 140.0°F\u003c\/li\u003e\n\u003cli\u003eEC Resolution: 0.01 mS\/cm\u003c\/li\u003e\n\u003cli\u003eTDS Resolution: 0.01 ppt\u003c\/li\u003e\n\u003cli\u003eTemp Resolution: 0.1°C \/ 0.1°F\u003c\/li\u003e\n\u003cli\u003eEC Accuracy: 2% Full Scale\u003c\/li\u003e\n\u003cli\u003eTDS Accuracy: 2% Full Scale\u003c\/li\u003e\n\u003cli\u003eTemp Accuracy: ±0.5°C \/ ±1°F\u003c\/li\u003e\n\u003cli\u003eEC Typical EMC Deviation: 2% Full Scale\u003c\/li\u003e\n\u003cli\u003eTDS Typical EMC Deviation: 2% Full Scale Temp\u003cbr\u003eTypical EMC Deviation Temperature: ±0.5°C \/ ±1°F\u003c\/li\u003e\n\u003cli\u003eCalibration: Automatic, 1 point\u003c\/li\u003e\n\u003cli\u003eTemperature Compensation: Automatic, with β=0.0 to 2.4%\/°C\u003c\/li\u003e\n\u003cli\u003eProbe: Mi59P (replaceable)\u003c\/li\u003e\n\u003cli\u003eEnvironment: 0 to 50°C \/ 32 to 122°F; max RH 100%\u003c\/li\u003e\n\u003cli\u003eBattery Type: 4 x 1.5V; IEC LR44, A76 (included)\u003c\/li\u003e\n\u003cli\u003eBattery Life: Approx. 100 hours of use\u003c\/li\u003e\n\u003cli\u003eAuto-off: After 8 minutes of non-use\u003c\/li\u003e\n\u003cli\u003eDimensions: 7.9 × dia 1.5 inches\u003c\/li\u003e\n\u003cli\u003eWeight: 3.5 ounces\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":40239455305815,"sku":"EC60","price":77.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/EC60.jpg?v=1736879108"},{"product_id":"milwaukee-t75-waterproof-low-range-tds-pen-total-dissolved-solids-meter","title":"Milwaukee T75 Waterproof Low Range TDS Pen - Total Dissolved Solids Meter 0-999 ppm","description":"\u003ch2\u003eMilwaukee T75 Waterproof Low Range TDS Pen\u003c\/h2\u003e\u003cp\u003eThe Milwaukee Instruments T75 is a professional-grade waterproof TDS (Total Dissolved Solids) pen designed for accurate low-range measurements from 0 to 999 ppm. Built for water quality professionals, aquarium enthusiasts, hydroponics growers, and field technicians who need reliable, portable TDS testing.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Range Precision\u003c\/strong\u003e – Optimized for 0-999 ppm measurements with ±2% full-scale accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Design (IP67)\u003c\/strong\u003e – Fully submersible and built to withstand harsh testing environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Compensation (ATC)\u003c\/strong\u003e – Ensures accurate readings across varying water temperatures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Touch Calibration\u003c\/strong\u003e – Simple push-button calibration at 500 ppm for quick field setup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable \u0026amp; Durable\u003c\/strong\u003e – Compact pen design with rugged construction for on-the-go testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Off Function\u003c\/strong\u003e – Conserves battery life with automatic shutdown after 8 minutes of non-use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eIdeal for drinking water quality testing, aquarium and aquaculture monitoring, hydroponics nutrient solution management, reverse osmosis system verification, and general water purity assessment. The low range makes it perfect for applications requiring precise measurements in cleaner water samples.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by professionals\u003c\/strong\u003e in laboratories, water treatment facilities, agriculture operations, and aquatic systems worldwide. Milwaukee Instruments delivers reliable, affordable water testing solutions backed by decades of analytical expertise.\u003c\/p\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":40246481616983,"sku":"T75","price":48.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/T75.jpg?v=1736819502"},{"product_id":"milwaukee-ph54-waterproof-ph-tester-replaceable-probe-pen-meter","title":"Milwaukee pH54 Waterproof pH Tester | Replaceable Probe Pen Meter | ±0.1 pH Accuracy","description":"\u003ch2 data-mce-fragment=\"1\"\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee Waterproof pH54 Tester is one of our most accurate low cost, rugged and reliable pH testers in the market featuring the ability to easily replace the probe providing for years of carefree use.  It's simple 2 point manual calibration is simple-to-use.  Ideal for use in aquariums, hydroponics, horticulture, education and many other applications.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee Waterproof pH54 pH tester offers:\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eACCURACY\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Waterproof pH54 tester is accurate to\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e±\u003c\/span\u003e0.1 pH and is easy to read.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWith easy 2 point manual calibration, this pH tester is quickly calibrated to an accuracy of much more expensive meters.  Simple design and rugged, it brings great value for any application.  Why guess at your readings using litmus paper when you can have guaranteed accurate, digital LCD results.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eLONG LIFE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe tester comes with a replaceable pH probe with a double junction probe designed for longer life.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFAST RESPONSE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe probe is double junction allowing quick, accurate pH readings and respose times.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eWATERPROOF CONSTRUCTION\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eNo more worries about dropping your tester while measuring. The pH54 is waterproof to IP65.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eLIGHT WEIGHT\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAt just 3.5 ounces, the pH54 is easy to handle at up to half the weight of other testers.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eEASE-OF-USE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eA large LCD screen makes reading results easy while calibrating or reading your measurement.  This takes the  takes the guess work out of litmus paper.\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eDESIGN FEATURES\u003c\/h2\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFast easy to read results with large digital LCD readout.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExtreme pH accuracy to\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan class=\"single-product-meta-item-value\" data-mce-fragment=\"1\"\u003e±\u003c\/span\u003e0.1 pH with a pH range (0.00 pH to 14.00 pH).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExtra Resolution to 0.01 pH.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eLightweight and portable.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eEasy measurement: just place the probe in the sample, gently stir, wait for the stability indication to show a stable reading and then freeze the reading.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSimple manual one or two-point calibration.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eGel-filled, double junction pH electrode for low maintenance and high performance.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eFully waterproof to IP65.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eOver 1500 hours of continious battery life (batteries included).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReplaceable pH electrode MA73600.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eCARE AND USE\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maitenance Kit code\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cstrong data-mce-fragment=\"1\"\u003ePH-Main\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eat checkout time!  This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHere are our top four tips.\u003cbr data-mce-fragment=\"1\"\u003e1. Always store with the cap full of buffer or storage solution MA9015 not water.\u003cbr data-mce-fragment=\"1\"\u003e2. Clean your Tester regularly by soaking in cleaning solution MA9016.\u003cbr data-mce-fragment=\"1\"\u003e3. Calibrate after cleaning and\/or storage before testing to adjust for changes in the pH sensor.\u003cbr data-mce-fragment=\"1\"\u003e4. Gently stir the Tester in the sample for a faster result.\u003c\/p\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003epH Range: 0.00 to 14.00 pH\u003c\/li\u003e\n\u003cli\u003epH Resolution: 0.01 pH\u003c\/li\u003e\n\u003cli\u003epH Accuracy: ±0.1 pH\u003c\/li\u003e\n\u003cli\u003eTypical EMC Deviation: ±0.1\u003c\/li\u003e\n\u003cli\u003eCalibration: Manual, 1 or 2 points\u003c\/li\u003e\n\u003cli\u003eProbe: Replaceable double junction for extended life (MA73600)\u003c\/li\u003e\n\u003cli\u003eEnvironment: 0 to 50°C \/ 32 to 122°F; max RH 100%\u003c\/li\u003e\n\u003cli\u003eBattery Type: 3 x 1.5V; IEC LR44, A76 (included)\u003c\/li\u003e\n\u003cli\u003eBattery Life: Approx. 1500 hours of continuous use\u003c\/li\u003e\n\u003cli\u003eDimensions: 7.9 inches × 1.5 inches (diameter)\u003c\/li\u003e\n\u003cli\u003eWeight: 3.5 ounces (99.22 g)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":40254443257943,"sku":"PH54","price":50.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/PH54.jpg?v=1736616591"},{"product_id":"milwaukee-ph56-pro-waterproof-ph-temp-tester-replaceable-probe","title":"Milwaukee PH56 PRO Waterproof 2-in-1 pH\/Temp Tester with Replaceable Probe","description":"\u003ch2 data-mce-fragment=\"1\"\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee pH56 PRO pH and Temperature Tester is our most accurate tester with the ability to easily replace the probe for years of use.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee pH56 PRO pH and temperature tester offers:\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eACCURACY\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe PH56 PRO tester is accurate to\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e±\u003c\/span\u003e0.05 pH and\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e±\u003c\/span\u003e0.5 C \/\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e±\u003c\/span\u003e1.0 F for temperature.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWith automatic calibration and 6 calibration points in memory, the tester can be quickly and easily be calibrated to a higher accuracy compared with manual calibration.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eLONG LIFE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe tester comes with a replaceable pH probe with a double junction probe design for longer life.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFAST RESPONSE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAn exposed temperature probe is located close to the pH probe for fast temperature compensation\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eWATERPROOF CONSTRUCTION\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eNo more worries about dropping your tester while measuring. The PH56 is fully waterproof to IP65.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eLIGHT WEIGHT\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAt just 3.5 ounces, the PH56 PRO is easy to handle at up to half the weight of other testers.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eEASE-OF-USE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eA large dual level LCD screen makes reading results easy while a stability indicator and hold function that freezes the display takes the guess work out.\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eDESIGN FEATURES\u003c\/h2\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFast easy to read results with large digital dual LCD readout\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExtreme pH accuracy to\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan class=\"single-product-meta-item-value\" data-mce-fragment=\"1\"\u003e±\u003c\/span\u003e0.05 pH with an extended pH range (-2.00 pH to 16.00 pH)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eLightweight and portable\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eEasy measurement: just place the probe in the sample, gently stir, wait for the stability indication to show a stable reading and then freeze the reading\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSimple push button, automatic one or two-point calibration with 6 saved calibration points\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eGel-filled, double junction pH electrode for low maintenance and high performance\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAuto shut off and low power demand for a 300 hour extended battery life (batteries included)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eWaterproof to IP65.\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eCARE AND USE\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maitenance Kit code\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cstrong data-mce-fragment=\"1\"\u003ePH-Main\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eat checkout time!  This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHere are our top four tips.\u003cbr data-mce-fragment=\"1\"\u003e1. Always store with the cap full of buffer or storage solution MA9015 not water.\u003cbr data-mce-fragment=\"1\"\u003e2. Clean your Tester regularly by soaking in cleaning solution MA9016.\u003cbr data-mce-fragment=\"1\"\u003e3. Calibrate after cleaning and\/or storage before testing to adjust for changes in the pH sensor.\u003cbr data-mce-fragment=\"1\"\u003e4. Gently stir the Tester in the sample for a faster result.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003epH Range: -2.00 to 16.00 pH\u003c\/li\u003e\n\u003cli\u003eTemp Range: -5.0 to 60.0°C \/ 23.0 to 140.0°F\u003c\/li\u003e\n\u003cli\u003epH Resolution: 0.01 pH\u003c\/li\u003e\n\u003cli\u003eTemp Resolution: 0.1°C \/ 0.1°F\u003c\/li\u003e\n\u003cli\u003epH Accuracy: ±0.05 pH\u003c\/li\u003e\n\u003cli\u003eTemp Accuracy: ±0.5°C \/ ±1°F\u003c\/li\u003e\n\u003cli\u003epH: Typical EMC Deviation ±0.02 pH\u003c\/li\u003e\n\u003cli\u003eTemp: Typical EMC Deviation ±0.3°C \/ ±0.6°F\u003c\/li\u003e\n\u003cli\u003eCalibration automatic, 1 or 2 points with 2 sets of memorized buffers (pH 4.01, 7.01, 10.01 or 4.01, 6.86, 9.18)\u003c\/li\u003e\n\u003cli\u003eTemperature Compensation:  Automatic from -5 to 60°C\u003c\/li\u003e\n\u003cli\u003eProbe: Replaceable double junction for extended life (Mi56P)\u003c\/li\u003e\n\u003cli\u003eEnvironment: -5 to 50°C \/ 32 to 122°F; max RH 100%\u003c\/li\u003e\n\u003cli\u003eBattery Type: 4 x 1.5V; IEC LR44, A76 (included)\u003c\/li\u003e\n\u003cli\u003eBattery Life: Approx. 300 hours of use\u003c\/li\u003e\n\u003cli\u003eAuto-off: After 8 minutes of non-use\u003c\/li\u003e\n\u003cli\u003eDimensions: 7.9 inches × 1.5 inches (diameter)\u003c\/li\u003e\n\u003cli\u003eWeight: 3.5 ounces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":40254448304215,"sku":"PH56","price":127.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/PH56_PRO.jpg?v=1736872384"},{"product_id":"milwaukee-ph51-waterproof-ph-tester-replaceable-probe","title":"Milwaukee pH51 Waterproof pH Tester with Replaceable Probe - Industrial pH Meter","description":"\u003ch2\u003eMilwaukee pH51 Waterproof pH Tester – Rugged Industrial pH Measurement\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eMilwaukee pH51 Waterproof pH Tester\u003c\/strong\u003e is a professional-grade pH meter designed for demanding industrial and laboratory environments. Featuring a \u003cstrong\u003ereplaceable probe\u003c\/strong\u003e, this rugged tester delivers years of accurate pH measurement while offering the flexibility to replace the electrode when needed, making it a cost-effective solution for long-term use.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable probe design\u003c\/strong\u003e – extend instrument life by replacing the electrode instead of the entire unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof construction\u003c\/strong\u003e – fully sealed for use in wet environments and harsh conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial-grade durability\u003c\/strong\u003e – built to withstand demanding lab, field, and production settings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate pH measurement\u003c\/strong\u003e – reliable readings for critical water quality applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple operation\u003c\/strong\u003e – easy-to-use interface for fast, efficient testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable design\u003c\/strong\u003e – compact tester for benchtop and field use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003ePerfect for industrial water treatment, laboratory pH analysis, pool and spa maintenance, hydroponics nutrient management, aquaculture water quality, food and beverage production, and wastewater monitoring. Whether you're a lab technician, water treatment professional, or grower, the pH51 delivers the precision and durability you need.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: pH51\u003c\/li\u003e\n\u003cli\u003eProbe: Replaceable electrode\u003c\/li\u003e\n\u003cli\u003eConstruction: Waterproof\u003c\/li\u003e\n\u003cli\u003eWeight: 3.5 oz\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: Romania\u003c\/li\u003e\n\u003cli\u003eSKU: PH51\u003c\/li\u003e\n\u003cli\u003eBarcode: 305393764578\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTrust Milwaukee Instruments for rugged, accurate pH testing solutions that meet the demands of professionals in industrial, laboratory, and agricultural water quality management.\u003c\/p\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":40278729293911,"sku":"PH51","price":48.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/pH51.jpg?v=1736819265"},{"product_id":"milwaukee-c65-waterproof-conductivity-ec-tds-meter-pen-atc","title":"Milwaukee C65 Waterproof Conductivity Pen - EC\/TDS Meter with ATC \u0026 Replaceable Electrode","description":"\u003ch2\u003eProfessional Waterproof Conductivity Pen for EC \u0026amp; TDS Testing\u003c\/h2\u003e\u003cp\u003eThe Milwaukee C65 is a rugged, waterproof conductivity pen designed for accurate EC (electrical conductivity) and TDS (total dissolved solids) measurement in aquariums, hydroponics, pools, and water quality applications. With automatic temperature compensation (ATC) and a replaceable electrode, this portable tester delivers reliable readings in any environment.\u003c\/p\u003e\u003ch3\u003eKey Features:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Design:\u003c\/strong\u003e IP67-rated protection allows testing in wet environments and withstands accidental submersion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Measurement:\u003c\/strong\u003e Measures both EC (0-1990 µS\/cm) and TDS (0-995 ppm) with the push of a button\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Compensation (ATC):\u003c\/strong\u003e Built-in sensor ensures accurate readings from 32 to 122°F (0 to 50°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable Electrode:\u003c\/strong\u003e MA830R electrode can be replaced for long-term use and cost-effective maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Calibration:\u003c\/strong\u003e Simple one-point calibration with 1413 µS\/cm solution for optimal accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable \u0026amp; Convenient:\u003c\/strong\u003e Compact pen design fits in your pocket for on-the-go testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Off Function:\u003c\/strong\u003e Conserves battery life with automatic 8-minute shutdown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge LCD Display:\u003c\/strong\u003e Easy-to-read screen shows measurements and temperature simultaneously\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEC Range: 0 to 1990 µS\/cm\u003c\/li\u003e\n\u003cli\u003eTDS Range: 0 to 995 ppm (mg\/L)\u003c\/li\u003e\n\u003cli\u003eResolution: 10 µS\/cm (EC), 5 ppm (TDS)\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±2% Full Scale\u003c\/li\u003e\n\u003cli\u003eTemperature Range: 32 to 122°F (0 to 50°C)\u003c\/li\u003e\n\u003cli\u003eTemperature Compensation: Automatic (ATC)\u003c\/li\u003e\n\u003cli\u003eCalibration: 1-point at 1413 µS\/cm\u003c\/li\u003e\n\u003cli\u003eWaterproof Rating: IP67\u003c\/li\u003e\n\u003cli\u003eBattery: 4 x 1.5V button cell (included)\u003c\/li\u003e\n\u003cli\u003eAuto-Off: 8 minutes\u003c\/li\u003e\n\u003cli\u003eDimensions: Compact pen design\u003c\/li\u003e\n\u003cli\u003eWeight: 12 oz\u003c\/li\u003e\n\u003cli\u003eReplaceable Electrode: MA830R\u003c\/li\u003e\n\u003cli\u003eSKU: C65\u003c\/li\u003e\n\u003cli\u003eBarcode: 810666001651\u003c\/li\u003e\n\u003cli\u003eMade in Romania\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications:\u003c\/h3\u003e\u003cp\u003ePerfect for aquarium hobbyists monitoring water quality, hydroponic growers testing nutrient solutions, pool and spa maintenance, drinking water quality checks, environmental water testing, laboratory use, and field testing applications. The waterproof design makes it ideal for wet environments and outdoor use.\u003c\/p\u003e\u003ch3\u003eWhat's Included:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMilwaukee C65 Conductivity Pen\u003c\/li\u003e\n\u003cli\u003eMA830R Replaceable Electrode\u003c\/li\u003e\n\u003cli\u003e4 x 1.5V Button Cell Batteries\u003c\/li\u003e\n\u003cli\u003eProtective Cap\u003c\/li\u003e\n\u003cli\u003eUser Manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMaintenance \u0026amp; Calibration:\u003c\/h3\u003e\u003cp\u003eFor best results, calibrate regularly using Milwaukee MA9071 1413 µS\/cm calibration solution. The replaceable MA830R electrode ensures long-term accuracy and cost-effective maintenance. Clean the electrode after each use and store with the protective cap in place.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNote: Calibration solution sold separately. Regular calibration recommended for optimal accuracy.\u003c\/em\u003e\u003c\/p\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":40278944251991,"sku":"C65","price":48.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/C65.jpg?v=1736872891"},{"product_id":"milwaukee-t76-waterproof-high-range-tds-pen-0-9990-ppm","title":"Milwaukee T76 Waterproof High Range TDS Pen - 0-9990 ppm Total Dissolved Solids Meter","description":"\u003ch2\u003eMilwaukee T76 Waterproof High Range TDS Pen – Precision Total Dissolved Solids Testing\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eMilwaukee T76 Waterproof High Range TDS Pen\u003c\/strong\u003e delivers fast, accurate measurements of total dissolved solids (TDS) from \u003cstrong\u003e0 to 9990 ppm\u003c\/strong\u003e, making it ideal for hydroponics, pool maintenance, aquariums, drinking water testing, and industrial water treatment applications. This rugged, waterproof pen combines lab-grade accuracy with field-ready durability.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh range 0-9990 ppm\u003c\/strong\u003e – measures elevated TDS levels in industrial and agricultural applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof IP67 design\u003c\/strong\u003e – fully submersible and built for harsh environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-off function\u003c\/strong\u003e – conserves battery life during extended use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory calibrated\u003c\/strong\u003e – ready to use out of the box with reliable accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact pen design\u003c\/strong\u003e – portable and easy to use in the field or lab\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold function\u003c\/strong\u003e – freezes readings for easy recording\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003ePerfect for hydroponic nutrient monitoring, pool and spa water quality, aquarium salinity management, drinking water safety testing, reverse osmosis system performance, and industrial water treatment. Whether you're a grower, water treatment professional, or aquarium enthusiast, the T76 delivers the precision you need.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: T76\u003c\/li\u003e\n\u003cli\u003eRange: 0-9990 ppm (mg\/L)\u003c\/li\u003e\n\u003cli\u003eResolution: 10 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±2% full scale\u003c\/li\u003e\n\u003cli\u003eWaterproof rating: IP67\u003c\/li\u003e\n\u003cli\u003eAuto-off: After 8 minutes of non-use\u003c\/li\u003e\n\u003cli\u003eBattery: 4 x 1.5V button cell (included)\u003c\/li\u003e\n\u003cli\u003eWeight: 3.5 oz\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: Romania\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTrust Milwaukee Instruments for durable, accurate water testing solutions that meet the demands of professionals and enthusiasts in hydroponics, aquaculture, and water quality management.\u003c\/p\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":40278948446295,"sku":"T76","price":48.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/T76.jpg?v=1736819659"},{"product_id":"milwaukee-cd97-low-range-tds-pen-tester-0-999-ppm-atc","title":"Milwaukee CD97 Low Range TDS Pen Tester | 0–999 ppm | ATC | Water Conditioning, RO \u0026 Education","description":"\u003ch2\u003eMilwaukee CD97 Low Range TDS Pen – Digital PPM Tester with ATC\u003c\/h2\u003e\n\u003cp\u003eMonitor water purity with confidence using the \u003cstrong\u003eMilwaukee CD97\u003c\/strong\u003e — a compact, digital \u003cstrong\u003eTotal Dissolved Solids (TDS) pen tester\u003c\/strong\u003e engineered for water conditioning, reverse osmosis (RO) system verification, hydroponics, aquarium maintenance, drinking water testing, and science education. Simple, accurate, and built to last, the CD97 delivers reliable ppm readings with \u003cstrong\u003eAutomatic Temperature Compensation (ATC)\u003c\/strong\u003e in a pocket-sized form factor.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Range TDS Measurement (0–999 ppm)\u003c\/strong\u003e — Ideal for water conditioning, RO filter verification, and drinking water quality monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Compensation (ATC)\u003c\/strong\u003e — Corrects readings automatically from 5–50°C (41–122°F) for accurate results regardless of sample temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Calibrated\u003c\/strong\u003e — Ready to use out of the box; manual 1-point recalibration available via trimmer when needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±10 ppm Accuracy\u003c\/strong\u003e — Precise enough for water conditioning targets, filter change decisions, and educational demonstrations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300-Hour Battery Life\u003c\/strong\u003e — 4 × 1.5V alkaline batteries included; long runtime minimizes downtime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eppm to µS\/cm Convertible\u003c\/strong\u003e — Readings easily converted to EC using 0.5 (500 scale), 0.7 (700 scale), or 442 scale factors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Pen Form Factor\u003c\/strong\u003e — Lightweight (3.5 oz) and pocket-sized for field, lab, or classroom use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTDS Range:\u003c\/strong\u003e 0 – 999 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 1 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±10 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Compensation:\u003c\/strong\u003e Automatic (ATC), 5–50°C (41–122°F), β = 2%\/°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e Factory calibrated; manual 1-point via trimmer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration Solution:\u003c\/strong\u003e M10080B — 800 ppm TDS sachets (25 × 20 mL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 4 × 1.5V alkaline (included) | Battery Life: ~300 hours continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Environment:\u003c\/strong\u003e 0–50°C (32–122°F); max RH 100%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6.0 × 1.2 × 0.95 in (180 × 65 × 32 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.5 oz (99 g)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e CD97 | Barcode: 810666001680\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Romania\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTDS to EC Conversion Guide\u003c\/h2\u003e\n\u003cp\u003eTDS (ppm) readings can be converted to electrical conductivity (µS\/cm) using the following common scale factors:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.5 Factor (500 Scale):\u003c\/strong\u003e 1 ppm = 2.0 µS\/cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.7 Factor (700 Scale):\u003c\/strong\u003e 1 ppm ≈ 1.43 µS\/cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e442 Scale:\u003c\/strong\u003e 1 ppm ≈ 1.43 µS\/cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReverse osmosis (RO) system filter verification\u003c\/li\u003e\n\u003cli\u003eDrinking water \u0026amp; tap water quality monitoring\u003c\/li\u003e\n\u003cli\u003eWater conditioning \u0026amp; softener performance testing\u003c\/li\u003e\n\u003cli\u003eHydroponics nutrient solution monitoring\u003c\/li\u003e\n\u003cli\u003eAquarium \u0026amp; reef tank water quality\u003c\/li\u003e\n\u003cli\u003eScience education \u0026amp; classroom labs\u003c\/li\u003e\n\u003cli\u003ePool \u0026amp; spa water testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProbe Care \u0026amp; Maintenance\u003c\/h2\u003e\n\u003cp\u003eEC\/TDS electrodes can develop mineral and nutrient buildup over time. To maintain accuracy and extend probe life:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAlways rinse the probe in fresh tap or deionized (DI) water after every use\u003c\/li\u003e\n\u003cli\u003eRecalibrate periodically using M10080B 800 ppm calibration solution sachets\u003c\/li\u003e\n\u003cli\u003eStore the pen with the protective cap on to prevent probe damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Milwaukee Instruments?\u003c\/h2\u003e\n\u003cp\u003eMilwaukee Instruments is trusted worldwide by water treatment professionals, hydroponics growers, aquaculture specialists, and educators. The CD97 combines Milwaukee’s proven build quality, factory-calibrated accuracy, and long battery life in one of the most cost-effective TDS pen testers on the market.\u003c\/p\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":40489778053207,"sku":"CD97","price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/CD97.jpg?v=1736818579"},{"product_id":"milwaukee-ph58-max-waterproof-3-in-1-ph-orp-temp-tester-with-replaceable-probe","title":"Milwaukee pH58 MAX Waterproof 3-in-1 pH\/ORP\/Temp Tester with Replaceable Probe","description":"\u003ch2 data-mce-fragment=\"1\"\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee pH58 MAX Waterproof 3-in-1 pH\/ORP\/Temp. Tester is one of our most accurate cost effective, well rounded, rugged and reliable testers in the market featuring dual level LCD readouts, easily replaceable probe and extended pH ranges to meet almost any application. It's simple 1 or 2 point automatic calibration is simple-to-use and offers TWO sets of memorized buffers to select.  Ideal for use in beer, food, wine, education, water treatment, pools and many other applications.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee pH58 Waterproof 3-in-1 tester offers:\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eACCURACY\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe pH58 MAX Waterproof 3-in-1 tester is accurate to\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e±\u003c\/span\u003e0.05 pH | +\/- 1000 mV | +\/-0.5°C (+\/-1°F) and is easy to read.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWith easy 2 point automatic calibration, this pH tester is quickly calibrated to an accuracy of much more expensive meters.  Simple design and rugged, it brings great value for any application.  Why guess at your readings using litmus paper when you can have guaranteed accurate, digital LCD results.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eLONG LIFE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe tester comes with a replaceable pH probe with a double junction probe designed for longer life.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFAST RESPONSE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe probe is double junction allowing quick, accurate pH readings and respose times.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eWATERPROOF CONSTRUCTION\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eNo more worries about dropping your tester while measuring. The pH58 MAX is waterproof to IP65.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eLIGHT WEIGHT\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAt just 3.5 ounces, the pH58 MAX is easy to handle at up to half the weight of other testers.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eEASE-OF-USE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eA large Dual Level LCD screen with easy-to-read graphic symbols, makes it easy while calibrating or reading your measurement.  This takes the  takes the guess work out of litmus paper.\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eDESIGN FEATURES\u003c\/h2\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFast easy to read results with large digital LCD readout.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExtreme pH accuracy to\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan class=\"single-product-meta-item-value\" data-mce-fragment=\"1\"\u003e±\u003c\/span\u003e0.05 pH and +\/- 2 mV with an extended pH range (-2.0 pH to 16.0 pH).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExtended Resolution to 0.01 pH.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eLightweight and portable.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eEasy measurement: just place the probe in the sample, gently stir, wait for the stability indication to show a stable reading and then freeze the reading.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSimple Automatic one or two-point calibration.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e2 Sets of pre-memorized buffers.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eGel-filled, double junction pH electrode for low maintenance and high performance.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eOver 250 hours of battery life (batteries included).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFully waterproof to IP65.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReplaceable pH electrode Mi58P.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eCARE AND USE\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAll pH\/ORP sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maitenance Kit code\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cstrong data-mce-fragment=\"1\"\u003ePH-Main\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eat checkout time!  This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eStore the pH probe in storage solution \u003ca href=\"https:\/\/www.getultimatenow.com\/products\/milwaukee-ma9015-storage-solution-for-ph-orp-electrodes?_pos=3\u0026amp;_sid=73a9f69a3\u0026amp;_ss=r\" title=\"MA9015\"\u003eMA9015\u003c\/a\u003e.  Only use tap water short-term if\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.getultimatenow.com\/products\/milwaukee-ma9015-storage-solution-for-ph-orp-electrodes?_pos=3\u0026amp;_sid=73a9f69a3\u0026amp;_ss=r\" title=\"MA9015\"\u003eMA9015\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eis not immediately available and\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cstrong data-mce-fragment=\"1\"\u003eNEVER store in distilled Water (DI) or Reverse Osmosis (RO) water. This will damage the sensitivity of the probe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHere are our top four tips. \u003c\/p\u003e\n\u003col data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAlways store upright with the cap full of\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.getultimatenow.com\/products\/milwaukee-ma9015-storage-solution-for-ph-orp-electrodes?_pos=3\u0026amp;_sid=73a9f69a3\u0026amp;_ss=r\" title=\"MA9015\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMA9015 Storage solution\u003c\/strong\u003e\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003efor\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cstrong data-mce-fragment=\"1\"\u003eBEST RESULTS\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eClean your Tester regularly by soaking in cleaning solution MA9016.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eCalibrate after cleaning and\/or storage before testing to adjust for changes in the pH sensor.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eGently stir the Tester in the sample for a faster result.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003epH Range: -2.0 to 16.0 pH\u003c\/li\u003e\n\u003cli\u003eORP Range: ±1000 mV\u003c\/li\u003e\n\u003cli\u003eTemperature Range: -5.0 to 60.0°C (23 to 140°F)\u003c\/li\u003e\n\u003cli\u003epH Resolution: 0.01 pH\u003c\/li\u003e\n\u003cli\u003eORP Resolution: 1 mV\u003c\/li\u003e\n\u003cli\u003eTemperature Resolution: 0.1°C (0.1°F)\u003c\/li\u003e\n\u003cli\u003epH Accuracy: ±0.05 pH @25°C (77°F)\u003c\/li\u003e\n\u003cli\u003eORP Accuracy: ±1 mV\u003c\/li\u003e\n\u003cli\u003eTemperature Accuracy: ±0.5°C (±1°F)\u003c\/li\u003e\n\u003cli\u003eTypical EMC Deviation: ±0.02\u003c\/li\u003e\n\u003cli\u003eTypical EMC Deviation: ±2 mV\u003c\/li\u003e\n\u003cli\u003eTypical EMC Temperature Deviation: ±0.3°C (±0.6°F)\u003c\/li\u003e\n\u003cli\u003eTemperature Compensation: Automatic from -5 to 60°C (23 to 140°F)\u003c\/li\u003e\n\u003cli\u003eCalibration Automatic: 1 or 2 points with 2 sets of pre-memorized buffers (pH 4.01, 7.01, 10.01) or (pH 4.01, 6.86, 9.18)\u003c\/li\u003e\n\u003cli\u003eProbe: Replaceable double junction for extended life (Mi58P)\u003c\/li\u003e\n\u003cli\u003eEnvironment: -5 to 50°C \/ 23 to 122°F; max RH 100%\u003c\/li\u003e\n\u003cli\u003eBattery Type: 4 x 1.5V; IEC LR44, A76 (included)\u003c\/li\u003e\n\u003cli\u003eBattery Life: Approx. 250 hours of use\u003c\/li\u003e\n\u003cli\u003eAuto-off: after 8 minutes on non-use\u003c\/li\u003e\n\u003cli\u003eDimensions: 7.9 inches × 1.5 inches (diameter)\u003c\/li\u003e\n\u003cli\u003eWeight: 3.5 ounces (99.22 g)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":40493248905303,"sku":"PH58","price":219.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/PH58.jpg?v=1736879451"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/collections\/milwaukee-instruments-pens-text-only.png?v=1774544733","url":"https:\/\/getultimatenow.com\/collections\/milwaukee-pens\/aquarium-tds-meter.oembed","provider":"Get Ultimate Now ","version":"1.0","type":"link"}