{"title":"pH\/ORP\/EC\/TDS\/DO\/Temperature\/Chlorine Meters","description":"\u003cp\u003e\u003cspan class=\"citation-22 citation-end-22\"\u003eThese are all important parameters for water quality and process control, and meters exist for each of them, as well as multi-parameter meters that can measure several at once.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-22 citation-end-22\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/Groline_HeaderNew_c16cb600-6342-45c7-af4e-b5e8965624a7.png?v=1749575282\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"hm-digital-zt-2-basic-tds-tester","title":"HM Digital ZT-2 Basic TDS Tester","description":"\u003cp id=\"teaser\"\u003eThe ZT-2 is the first of HM Digital's new HMD line. It's a low-cost TDS meter that's perfect as a promotional item. Though inexpensive, this meter does not skimp on quality, features and design.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEconomy model that is ideal for end-users and retail products.\u003c\/li\u003e\n\u003cli\u003eHighly efficient and accurate due to its advanced microprocessor technology.\u003c\/li\u003e\n\u003cli\u003eAuto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.\u003c\/li\u003e\n\u003cli\u003eMeasurement Range: 0-999 ppm.\u003c\/li\u003e\n\u003cli\u003eDisplay: large and easy-to-read LCD screen.\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated : our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated.\u003c\/li\u003e\n\u003cli\u003eNeed help deciding which meter is right for you?  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRange:\u003c\/strong\u003e 0 - 999 ppm (mg\/L)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e 1 ppm (0-999 ppm)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e +\/- 3%\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEC-to-TDS Conversion Factor:\u003c\/strong\u003e NaCl (avg. 0.5)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower source:\u003c\/strong\u003e 2 x 1.5V button cell batteries (included)  (357A or equivalent)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBattery life:\u003c\/strong\u003e Approx. 1000 hours of usage\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 14 x 2.3 x 1.5 cm (5.5 x 0.9 x 0.75 inches)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMeter weight:\u003c\/strong\u003e 31.2g (1.1 oz)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUPC: \u003c\/strong\u003e188781000294\u003c\/p\u003e","brand":"Get Ultimate Now LLC","offers":[{"title":"Default Title","offer_id":31969326404,"sku":"50001","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/51aTMMVyGqL._AC_SL1000.jpg?v=1675619565"},{"product_id":"hm-digital-tds-ez-water-quality-tester","title":"HM Digital TDS-EZ Water Quality Tester","description":"\u003cp id=\"teaser\"\u003eIdeal for all basic water testing applications. The best value meter in the world!\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEconomy model that is ideal for end-users.\u003c\/li\u003e\n\u003cli\u003eHighly efficient and accurate due to its advanced microprocessor technology.\u003c\/li\u003e\n\u003cli\u003eHold Function: saves measurements for convenient reading and recording.\u003c\/li\u003e\n\u003cli\u003eAuto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.\u003c\/li\u003e\n\u003cli\u003eMeasurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image.\u003c\/li\u003e\n\u003cli\u003eDisplay: large and easy-to-read LCD screen.\u003c\/li\u003e\n\u003cli\u003eour meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.\u003c\/li\u003e\n\u003cli\u003eFun, translucent blue housing that's very strong and durable.\u003c\/li\u003e\n\u003cli\u003eIncludes a TDS chart sticker on the back of the meter that explains TDS values.\u003c\/li\u003e\n\u003cli\u003e\u003cimg alt=\"\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HM_TDSEZ_large.jpg?v=1477922736\" style=\"margin-right: auto; margin-left: auto; display: block;\"\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRange:\u003c\/strong\u003e 0 - 9990 ppm (mg\/L)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e 0-999: 1 ppm; 1000-9990: 10 ppm (indicated by a 'x10' icon)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e +\/- 3%\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEC-to-TDS Conversion Factor:\u003c\/strong\u003e NaCl (avg. 0.5)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower source:\u003c\/strong\u003e 2 x 1.5V button cell batteries (included)  (LR44 or equivalent)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBattery life:\u003c\/strong\u003e Approx. 1000 hours of usage\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 15.5 x 3.1 x 2.3cm (6.1 x 1.25 x 1 inches)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMeter weight:\u003c\/strong\u003e 56.7g (2 oz)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight with package:\u003c\/strong\u003e 76.5g (2.7 oz)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"153\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr height=\"20\"\u003e\n\u003ctd width=\"153\" height=\"20\" class=\"xl64\"\u003e\n\u003cstrong\u003eUPC: \u003c\/strong\u003e891144000168\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Get Ultimate Now LLC","offers":[{"title":"Default Title","offer_id":31969607556,"sku":"50015","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/HM_TDSEZ.jpg?v=1556812106"},{"product_id":"hm-digital-tds-3-handheld-tds-meter-carrying-case-0-9990-ppm-atc","title":"HM Digital TDS-3 Handheld TDS Meter with Carrying Case – 0–9990 ppm, ATC, Thermometer","description":"\u003ch2\u003eHM Digital TDS-3 Handheld TDS Meter with Carrying Case\u003c\/h2\u003e\n\u003cp\u003eMonitor water purity anywhere with the \u003cstrong\u003eHM Digital TDS-3\u003c\/strong\u003e — a professional-grade, pocket-sized \u003cstrong\u003eTotal Dissolved Solids (TDS) meter\u003c\/strong\u003e trusted for water purification, hydroponics, aquaculture, reverse osmosis (RO) system verification, colloidal silver production, pool \u0026amp; spa testing, and wastewater regulation. Powered by advanced microprocessor technology, the TDS-3 delivers fast, accurate ppm readings with \u003cstrong\u003eAutomatic Temperature Compensation (ATC)\u003c\/strong\u003e and a built-in digital thermometer — all in a rugged, belt-clip carrying case.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Measurement Range: 0–9990 ppm\u003c\/strong\u003e — 0–999 ppm at 1 ppm resolution; 1000–9990 ppm at 10 ppm resolution (indicated by blinking ‘x10’ icon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Digital Thermometer\u003c\/strong\u003e — Measures temperature from 0–80°C simultaneously with TDS for complete water quality snapshots\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Compensation (ATC)\u003c\/strong\u003e — Corrects readings automatically from 1–50°C (33–122°F) for accurate results regardless of sample temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold Function\u003c\/strong\u003e — Freezes the measurement on screen for convenient reading and recording without keeping the probe submerged\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Off\u003c\/strong\u003e — Shuts off automatically after 10 minutes of non-use to conserve battery life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1000-Hour Battery Life\u003c\/strong\u003e — 2 × 1.5V LR44 button cell batteries included; exceptional runtime for field and commercial use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Calibrated\u003c\/strong\u003e — Calibrated with 342 ppm NaCl solution; recalibration available via mini-screwdriver trimmer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge, Easy-to-Read LCD Display\u003c\/strong\u003e — Clear readout in any lighting condition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarrying Case with Belt Clip\u003c\/strong\u003e — Protective case keeps the meter safe and accessible; ideal for field technicians and commercial use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Microprocessor Technology\u003c\/strong\u003e — Highly efficient and accurate readings across the full measurement range\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 – 9990 ppm (mg\/L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 0–999 ppm: 1 ppm | 1000–9990 ppm: 10 ppm (‘x10’ icon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±2%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC-to-TDS Conversion Factor:\u003c\/strong\u003e NaCl (avg. 0.5)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e 0 – 80°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Resolution:\u003c\/strong\u003e 0.1°C (Celsius only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATC Range:\u003c\/strong\u003e 1 – 50°C (33 – 122°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 2 × 1.5V LR44 button cell batteries (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Life:\u003c\/strong\u003e ~1,000 hours continuous use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 15.5 × 3.1 × 2.3 cm (6.1 × 1.25 × 1 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (with case):\u003c\/strong\u003e 76.5 g (2.7 oz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (without case):\u003c\/strong\u003e 56.7 g (2.0 oz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 50017 | Barcode: 809390006537\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e South Korea\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 and performance monitoring\u003c\/li\u003e\n\u003cli\u003eDrinking water \u0026amp; tap water purity testing\u003c\/li\u003e\n\u003cli\u003eHydroponics nutrient solution TDS monitoring\u003c\/li\u003e\n\u003cli\u003eAquaculture \u0026amp; aquarium water quality management\u003c\/li\u003e\n\u003cli\u003eColloidal silver concentration measurement\u003c\/li\u003e\n\u003cli\u003eSwimming pool \u0026amp; spa water chemistry\u003c\/li\u003e\n\u003cli\u003eWastewater regulation and environmental testing\u003c\/li\u003e\n\u003cli\u003eWater conditioning \u0026amp; softener performance testing\u003c\/li\u003e\n\u003cli\u003eCommercial and field water quality inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy HM Digital TDS-3?\u003c\/h2\u003e\n\u003cp\u003eThe HM Digital TDS-3 is one of the most trusted handheld TDS meters on the market — combining a wide 0–9990 ppm range, built-in thermometer, ATC, hold function, and an exceptional 1000-hour battery life in a compact, belt-clip case. Whether you’re a water treatment professional, hydroponics grower, aquaculture specialist, or home user verifying your RO filter, the TDS-3 delivers the accuracy and reliability you need at an unbeatable value.\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":31969960644,"sku":"50017","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/TDS-3.jpg?v=1556611217"},{"product_id":"hm-digital-ec-3-electrical-conductivity-tester-with-case","title":"HM Digital EC-3 Electrical Conductivity Tester with Case","description":"\u003cp id=\"teaser\"\u003eIdeal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times!\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for commercial use. Includes a carrying case with belt clip.\u003c\/li\u003e\n\u003cli\u003eHighly efficient and accurate due to its advanced microprocessor technology.\u003c\/li\u003e\n\u003cli\u003eHold Function: saves measurements for convenient reading and recording.\u003c\/li\u003e\n\u003cli\u003eAuto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.\u003c\/li\u003e\n\u003cli\u003eMeasurement Range: 0-9990 \u003cem\u003eµ\u003c\/em\u003eS. From 0-999 \u003cem\u003eµ\u003c\/em\u003eS, the resolution is in increments of 1 \u003cem\u003eµ\u003c\/em\u003eS. From 1000 to 9990 \u003cem\u003eµ\u003c\/em\u003eS, the resolution is in increments of 10 \u003cem\u003eµ\u003c\/em\u003eS, indicated by a blinking 'x10' image.\u003c\/li\u003e\n\u003cli\u003eBuilt-in digital thermometer\u003c\/li\u003e\n\u003cli\u003eDisplay: large and easy-to-read LCD screen.\u003c\/li\u003e\n\u003cli\u003eThe EC-3 has been factory calibrated to a 1413 \u003cem\u003eµ\u003c\/em\u003eS KCl solution. Meters can be recalibrated with a mini-screwdriver.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/EC-3_large.jpg?v=1477924873\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEC Range:\u003c\/strong\u003e 0 - 9990 \u003cem\u003eµ\u003c\/em\u003eS (\u003cem\u003eµ\u003c\/em\u003eS\/cm)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTemp. Range:\u003c\/strong\u003e 0 - 80 degrees Celsius\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e 0-999: 1 \u003cem\u003eµ\u003c\/em\u003eS; 1000-9990: 10 \u003cem\u003eµ\u003c\/em\u003eS (indicated by a 'x10' icon)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature Resolution:\u003c\/strong\u003e 0.1 degree Celsius (Celsius only)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e +\/- 2%\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eATC:\u003c\/strong\u003e Built-in sensor for Automatic Temperature Compensation of 1 to 50\u003csup\u003e\u003cspan style=\"font-size: small;\" size=\"2\"\u003eo \u003c\/span\u003e\u003c\/sup\u003eC (33 to 122\u003csup\u003e\u003cspan style=\"font-size: small;\" size=\"2\"\u003eo\u003c\/span\u003e\u003c\/sup\u003e F)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower source:\u003c\/strong\u003e 2 x 1.5V button cell batteries (included)   (LR44 or equivalent)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBattery life:\u003c\/strong\u003e 1000 hours of usage\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 15.5 x 3.1 x 2.3cm (6.1 x 1.25 x 1 inches)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight with case:\u003c\/strong\u003e 76.5g (2.7 oz)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight without case:\u003c\/strong\u003e 56.7g (2 oz)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTo convert \u003cem\u003e\u003cem\u003eµ\u003c\/em\u003e\u003c\/em\u003eS (micro-Siemens) to mS (micro-Siemens): divide by 1000.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1000 \u003cem\u003eµ\u003c\/em\u003eS = 1 mS \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEC = Electrical Conductivity\u003c\/strong\u003e\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":31970072900,"sku":"50014","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/EC-3.jpg?v=1556611212"},{"product_id":"hm-digital-tds-4-pocket-size-tds-meter","title":"HM Digital TDS-4 Pocket-Size TDS Meter","description":"\u003cp id=\"teaser\"\u003eA TDS tester that's ideal for all water purification applications, drinking water testing, pools \u0026amp; spas, fresh water aquariums, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket at all times!\u003c\/p\u003e\n\u003ch2\u003e\u003c\/h2\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe smallest and lightest TDS meter on the market.\u003c\/li\u003e\n\u003cli\u003eSleek design is perfect for personal or consumer use.\u003c\/li\u003e\n\u003cli\u003eAdvanced microprocessor technology.\u003c\/li\u003e\n\u003cli\u003eHold Function: saves measurements for convenient reading and recording.\u003c\/li\u003e\n\u003cli\u003eAuto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.\u003c\/li\u003e\n\u003cli\u003eMeasurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the resolution is in increments of 10 ppm, indicated by a blinking 'x10' image.\u003c\/li\u003e\n\u003cli\u003eDisplay: large and easy-to-read LCD screen.\u003c\/li\u003e\n\u003cli\u003eRecommended for fresh water aquariums \u0026amp; aquaculture, horticulture \u0026amp; hydroponics, and pools \u0026amp; spas.\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.\u003c\/li\u003e\n\u003cli\u003eNeed help deciding which meter is right for you?  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRange:\u003c\/strong\u003e 0 - 9990 ppm (mg\/L)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e 0-999: 1 ppm; 1000-9990 10 ppm (indicated by a 'x10' icon)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e +\/- 2%\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEC-to-TDS Conversion Factor:\u003c\/strong\u003e NaCl (avg. 0.5)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eATC:\u003c\/strong\u003e Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Farenheit)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower source:\u003c\/strong\u003e 2 x 1.5V button cell batteries (included) (LR44 or equivalent)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBattery life:\u003c\/strong\u003e 1000 hours of usage\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 14 x 2.3 x 1.5 cm (5.5 x .9 x .55 inches)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 34g (1.2 oz)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"153\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr height=\"20\"\u003e\n\u003ctd width=\"153\" height=\"20\" class=\"xl65\"\u003e\n\u003cstrong\u003eUPC: \u003c\/strong\u003e891144000182\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Get Ultimate Now LLC","offers":[{"title":"Default Title","offer_id":32082068356,"sku":"50018","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/tds4-main-429x600.png?v=1642717705"},{"product_id":"tds-4tma-aquarium-tds-meter-with-digital-thermometer","title":"HM Digital TDS-4TMA  Aquarium TDS Meter with Digital Thermometer","description":"\u003cp id=\"teaser\"\u003eThe TDS-4TMA handheld meter is ideal for testing TDS and salt levels of freshwater aquariums and ponds. It can also be used for testing water filtration and purification systems, such as RO and DI, to know when to changes filters and membranes.\u003c\/p\u003e\n\u003ch2\u003e\u003c\/h2\u003e\n\u003ch2\u003eFEATURES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003eMeasures TDS and salt levels of freshwater up to 9990 ppm.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes an internal digital thermometer (celsius only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eHold Function - Locks the reading on the screen outside of the water.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eAuto-off function - Turns off meter after 10 minutes of non-use to conserve batteries.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eDual Range - Measures from 0 - 999 ppm, with a resolution of 1ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eFactory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eRecommended for fresh water aquariums, aquaculture and ponds.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eIncludes an aquarium-specific packaging.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eNeed help deciding which meter is right for you?  View our TDS\/EC Meter Selection Guide.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cimg style=\"margin-right: auto; margin-left: auto; display: block;\" alt=\"\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/TDS-4TMA_large.jpg?v=1478100034\"\u003e\u003c\/div\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eTDS Range:\u003c\/strong\u003e 0-9990 ppm (mg\/L) \u003cbr\u003e\u003cstrong\u003eTemp. Range:\u003c\/strong\u003e 0-80 degrees Celsius \u003cbr\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e 0-999: 1 ppm; 1000-9990: 10 ppm (indicated by a 'x10' icon)  \u003cbr\u003e\u003cstrong\u003eTemperature Resolution:\u003c\/strong\u003e 0.1 degree Celsius (Celsius only)\u003cbr\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e +\/- 2%\u003cbr\u003e\u003cstrong\u003eEC-to-TDS Conversion Factor:\u003c\/strong\u003e NaCl (avg. 0.5) \u003cbr\u003e\u003cstrong\u003eATC:\u003c\/strong\u003e Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Farenheit) \u003cbr\u003e\u003cstrong\u003ePower source:\u003c\/strong\u003e 2 x 1.5V button cell batteries (included)  (LR44 or equivalent)\u003cbr\u003e\u003cstrong\u003eBattery life:\u003c\/strong\u003e 1000 hours of usage \u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 14 x 2.3 x 1.5 cm (5.5 x .9 x .55 inches) \u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 34g (1.2 oz)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"153\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr height=\"20\"\u003e\n\u003ctd width=\"153\" height=\"20\" class=\"xl65\"\u003e\n\u003cstrong\u003eUPC: \u003c\/strong\u003e891144000199\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Get Ultimate Now LLC","offers":[{"title":"Default Title","offer_id":32082170436,"sku":"21270","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/tds4tm-main-429x600.png?v=1645057490"},{"product_id":"ph-80-ph-hydrotester","title":"HM Digital Ph Meter PH-80","description":"\u003csection class=\"elementor-section elementor-top-section elementor-element elementor-element-20b8fcf3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"20b8fcf3\" data-element_type=\"section\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-container elementor-column-gap-default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-d679dec\" data-id=\"d679dec\" data-element_type=\"column\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-wrap elementor-element-populated\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-element elementor-element-5e6eb3c1 elementor-widget elementor-widget-stad_for_elementor_heading\" data-id=\"5e6eb3c1\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_heading.default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-container\" data-mce-fragment=\"1\"\u003e\n\u003ch2 class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\" data-fontsize=\"40\" data-lineheight=\"48px\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\" data-mce-fragment=\"1\"\u003ePH-80: pH HydroTester Series\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-40adb63f elementor-widget elementor-widget-text-editor\" data-id=\"40adb63f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-container\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe PH-80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such applications as hydroponics \u0026amp; gardening, pools \u0026amp; spas, aquariums \u0026amp; reef tanks, water ionizers, drinking water, and more.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-7cab8d93 elementor-widget elementor-widget-stad_for_elementor_heading\" data-id=\"7cab8d93\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_heading.default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-container\" data-mce-fragment=\"1\"\u003e\n\u003ch3 class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\" data-fontsize=\"32\" data-lineheight=\"41.6px\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\" data-mce-fragment=\"1\"\u003eFEATURES\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-f03cfca elementor-widget elementor-widget-stad_for_elementor_classic_list\" data-id=\"f03cfca\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_classic_list.default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-container\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"stad-classic-list-container stad-flex\" data-mce-fragment=\"1\"\u003e\n\u003cul class=\"stad-classic-list stad-list stad-classic-block-list\" data-mce-fragment=\"1\"\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-2b88e3c\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003eMeasures pH and Temperature\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-94f6ec0\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003eOne-touch automatic digital calibration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-dd96e37\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003eWater-resistant\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-3e560ee\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003eSimultaneous temperature display\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-2ff9299\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003eLarge LCD display\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-686d70f\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003eAutomatic Temperature Compensation (ATC)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-35ef50e\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003eAuto-off function, data-hold function, and low-battery indicator\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-dceae70\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003eFactory Calibrated: The PH-80 meter is factory calibration to pH 7.0.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-8c3848c\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003eIncludes a translucent cap, batteries, storage solution, and pH 7.0 buffer (powder)\u003c\/span\u003e\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\u003csection class=\"elementor-section elementor-top-section elementor-element elementor-element-8d5d025 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8d5d025\" data-element_type=\"section\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-container elementor-column-gap-default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-cd78fef\" data-id=\"cd78fef\" data-element_type=\"column\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-wrap elementor-element-populated\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-element elementor-element-e1c3814 elementor-widget elementor-widget-stad_for_elementor_heading\" data-id=\"e1c3814\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_heading.default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-container\" data-mce-fragment=\"1\"\u003e\n\u003ch3 class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\" data-fontsize=\"32\" data-lineheight=\"41.6px\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\" data-mce-fragment=\"1\"\u003eSPECIFICATION\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-0814d19 elementor-widget elementor-widget-text-editor\" data-id=\"0814d19\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-container\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003epH Range: 0 – 14\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTemperature Range: 1-55 °C; 32-130 °F\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eResolution: 0.1 pH; Temperature resolution is 0.1 °C\/F\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAccuracy: +\/- 0.2 pH; Temperature accuracy is +\/-2%\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eCalibration: Digital automatic calibration (one point)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMinimum EC\/TDS: 10 µS\/5 ppm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eElectrode: Glass sensor and reference tube electrodes\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePower source: 3 x 1.5V button cell batteries (model LR44 or equivalent; included)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWeight: 53.9 g (1.9 oz)\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","brand":"Get Ultimate Now LLC","offers":[{"title":"Default Title","offer_id":32082702148,"sku":"50024","price":39.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HMPH-80-2.png?v=1699128461"},{"product_id":"com-80-ec-tds-hydrotester","title":"HM Digital COM-80 EC\/TDS HydroTester – 4-Scale Water Quality Meter with ATC","description":"\u003ch2\u003eHM Digital COM-80 EC\/TDS HydroTester\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHM Digital COM-80\u003c\/strong\u003e is an economically priced, reliable EC\/TDS meter ideal for hydroponics \u0026amp; gardening, pools \u0026amp; spas, aquariums \u0026amp; reef tanks, water ionizers, drinking water testing, and more. With four measurement scales, Automatic Temperature Compensation (ATC), and a water-resistant housing, the COM-80 delivers professional-grade accuracy at an accessible price point.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures Electrical Conductivity (EC) and Total Dissolved Solids (TDS) — excellent for nutrient solution testing\u003c\/li\u003e\n\u003cli\u003eFour measurement scales: EC: µS, mS | TDS: ppm, ppt\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC) for accurate readings across varying sample temperatures\u003c\/li\u003e\n\u003cli\u003eWater-resistant housing for field and lab use\u003c\/li\u003e\n\u003cli\u003eDigital push-button calibration to any point within the meter’s range\u003c\/li\u003e\n\u003cli\u003eAuto-off, data-hold, and low-battery indicator functions\u003c\/li\u003e\n\u003cli\u003eLarge, easy-to-read LCD with simultaneous temperature display\u003c\/li\u003e\n\u003cli\u003eFactory calibrated with 1413 µS solution; field-recalibration supported\u003c\/li\u003e\n\u003cli\u003eIncludes protective cap and batteries (3 × LR44)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMeasurement Range\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC:\u003c\/strong\u003e 0–9990 µS | 0–9.9 mS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTDS:\u003c\/strong\u003e 0–5000 ppm (mg\/L) | 0–5.0 ppt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 1–80°C | 33–176°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 1 µS\/ppm | 0.1 mS\/ppt | 0.1°C\/°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±2%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC-to-TDS Conversion Factor:\u003c\/strong\u003e NaCl (avg. 0.5)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e Digital push-button\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe:\u003c\/strong\u003e Fixed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing:\u003c\/strong\u003e Water resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 3 × 1.5V LR44 button cell batteries (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 15.3 × 3.2 × 1.8 cm (6.0 × 1.3 × 0.7 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 53.9 g (1.9 oz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 891144000229 | \u003cstrong\u003eSKU:\u003c\/strong\u003e 50006 | \u003cstrong\u003eOrigin:\u003c\/strong\u003e South Korea\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHydroponics and aquaponics nutrient monitoring\u003c\/li\u003e\n\u003cli\u003eAquarium and reef tank water quality management\u003c\/li\u003e\n\u003cli\u003ePool and spa water chemistry testing\u003c\/li\u003e\n\u003cli\u003eDrinking water and tap water purity verification\u003c\/li\u003e\n\u003cli\u003eWater ionizer and RO system performance testing\u003c\/li\u003e\n\u003cli\u003eGardening and soil runoff EC measurement\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32082950596,"sku":"50006","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/com80-op2.png?v=1645058027"},{"product_id":"com-100-waterproof-ec-tds-temp-combo-meter","title":"HM Digital COM-100 Waterproof EC\/TDS \u0026 Temperature Combo Meter","description":"\u003cp\u003e\u003cstrong\u003eCOM-100: Waterproof Professional Series EC\/TDS Meter\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe COM-100 is a professional grade level EC\/TDS\/Temp meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs \u0026amp; scientific testing, pools \u0026amp; spas, ecology testing, boilers \u0026amp; cooling towers, water treatment and more.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures electrical conductivity (EC), total dissolved solids (TDS), salinity and temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPGRADED:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFour scales: µS, mS,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eppm 0.5 (NaCl) Scale \u0026amp; 0.7 (442™) Scale\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC) using three temperature coefficients\u003c\/li\u003e\n\u003cli\u003eWaterproof housing (IP-67 rating)\u003c\/li\u003e\n\u003cli\u003eDigital Calibration (push button) to any point within the meter’s range\u003c\/li\u003e\n\u003cli\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/li\u003e\n\u003cli\u003eDisplay: large and easy-to-read LCD screen includes simultaneous temperature reading.\u003c\/li\u003e\n\u003cli\u003eReplaceable Sensor (model SP-C1)\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: The COM-100 meter is calibrated with a 1413 µS solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPGRADED\u003c\/strong\u003e: Includes translucent cap,\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e2 (AAA) batteries\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand lanyard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable width=\"153\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr height=\"20\"\u003e\n\u003ctd width=\"153\" height=\"20\" class=\"xl65\"\u003e\n\u003cstrong\u003eUPC: \u003c\/strong\u003e891144000007\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cem\u003e\u003cimg style=\"display: none;\" border=\"0\"\u003e \u003cimg width=\"1\" height=\"1\" style=\"display: none;\" alt=\"\" border=\"0\"\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32083128644,"sku":"2025","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/com100-main_7104b0ce-1005-49ec-9d28-16ff24ebd7f7.png?v=1616252938"},{"product_id":"ph-200-waterproof-ph-meter","title":"HM Digital PH-200 Waterproof Portable Water Quality Tester","description":"\u003cp id=\"teaser\"\u003eIdeal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs \u0026amp; scientific testing, pools \u0026amp; spas, ecology testing, boilers \u0026amp; cooling towers, water treatment, wine, coffee, agriculture and more.\u003c\/p\u003e\n\u003caddress\u003e\u003ca href=\"http:\/\/www.tdsmeter.com\/products\/ph200.html#questions\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: #003366;\"\u003e\u003cem\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/address\u003e\n\u003ch2\u003eFEATURES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures pH and Temperature\u003c\/li\u003e\n\u003cli\u003eAuto-ranging three point calibration with digital fine tuning\u003c\/li\u003e\n\u003cli\u003eIncludes storage solution in a sponge embedded in a clear cap\u003c\/li\u003e\n\u003cli\u003eWaterproof housing (IP-67 rating)\u003c\/li\u003e\n\u003cli\u003eSimultaneous temperature display\u003c\/li\u003e\n\u003cli\u003eMeasurement Range: 0-14 pH\u003c\/li\u003e\n\u003cli\u003eDigital automatic calibration (one point), with digital fine tuning\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC)\u003c\/li\u003e\n\u003cli\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/li\u003e\n\u003cli\u003eDisplay: large and easy-to-read LCD screen includes simultaneous temperature reading\u003c\/li\u003e\n\u003cli\u003eReplaceable Sensor (model SP-P2)\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated : The PH-200 meter is three-point checked and factory calibrated to pH 7.0.  It can be re-calibrated to any point in its range with digital calibration using the push buttons.\u003c\/li\u003e\n\u003cli\u003eIncludes a cap, batteries, lanyard, and pH 7.0 buffer \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/PH-200_large.jpg?v=1478102693\" alt=\"\" style=\"margin-right: auto; margin-left: auto; display: block;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003epH Range:\u003c\/strong\u003e 0 - 14 \u003cbr\u003e\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e 0-55 °C; 32-130 °F \u003cbr\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e 0.01 pH; Temperature resolution is 0.1 °C\/F \u003cbr\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e +\/- 0.1 pH; Temperature accuracy is +\/-2% \u003cbr\u003e\u003cstrong\u003eCalibration:\u003c\/strong\u003e Digital automatic calibration (one point) with digital fine tuning\u003cbr\u003e\u003cstrong\u003eMinimum EC\/TDS:\u003c\/strong\u003e 5 \u003cem\u003eu\u003c\/em\u003eS\/10 ppm\u003cbr\u003e\u003cstrong\u003eElectrode:\u003c\/strong\u003e Replaceable glass sensor and reference tube electrodes \u003cbr\u003e\u003cstrong\u003eHousing:\u003c\/strong\u003e IP-67 Waterproof (submersible; floats) \u003cbr\u003e\u003cstrong\u003ePower source:\u003c\/strong\u003e 3 x 1.5V button cell batteries (LR44 or equivalent; included) \u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches) \u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 96.4 g (3.4 oz)\u003c\/p\u003e\n\u003cp\u003e \u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/MsiQKzK4038\" height=\"281\" width=\"500\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ctable cellpadding=\"0\" cellspacing=\"0\" border=\"0\" width=\"153\"\u003e\n\u003ctbody\u003e\n\u003ctr height=\"20\"\u003e\n\u003ctd class=\"xl65\" height=\"20\" width=\"153\"\u003e\n\u003cstrong\u003eUPC: \u003c\/strong\u003e891144000021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32083408452,"sku":"50023","price":76.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/ph200-main-429x600.png?v=1645061511"},{"product_id":"orp-200-waterproof-orp-meter","title":"HM Digital ORP-200 Waterproof ORP Meter","description":"\u003ch1 class=\"product_title entry-title\"\u003e \u003cstrong\u003eORP-200: Waterproof Professional Series ORP\/Temp Meter\u003c\/strong\u003e\n\u003c\/h1\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eORP-200: Waterproof Professional Series ORP\/Temp Meter\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ORP-200 is a professional grade ORP meter ideal for all ORP testing, including anti-oxidant measurement, water purification applications, ionizers, agriculture, aquariums \u0026amp; aquaculture, chlorine monitoring, cooling tower disinfection, environmental testing, fruit \u0026amp; vegetable washing, hydroponics, metal finishing, ozone system monitoring, pharmaceutical \u0026amp; medical applications, pools \u0026amp; spas, pulp bleaching, vineyards \u0026amp; wineries and water treatment.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures Oxidation Reduction Potential (Redox) and Temperature\u003c\/li\u003e\n\u003cli\u003eAuto-ranging calibration with digital fine tuning\u003c\/li\u003e\n\u003cli\u003eWaterproof housing (IP-67 rating)\u003c\/li\u003e\n\u003cli\u003eDigital Calibration (push button)\u003c\/li\u003e\n\u003cli\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/li\u003e\n\u003cli\u003eLarge easy-to-read LCD screen with simultaneous temperature display.\u003c\/li\u003e\n\u003cli\u003eReplaceable Sensor (model SP-O2)\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: The ORP-200 meter is factory calibrated to +92 mV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPGRADED\u003c\/strong\u003e: Includes a translucent cap,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2 Triple A (AAA) batteries\u003c\/strong\u003e, and lanyard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32083953284,"sku":"50022","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/ORP-200.jpg?v=1627170404"},{"product_id":"tm-1-industrial-grade-digital-thermometer","title":"HM Digital TM-1 Industrial-Grade Digital Thermometer","description":"\u003cp id=\"teaser\"\u003eFor use in: All hot and cold fluids and\/or solids Aquariums Kitchens and bakeries Hydroponics and aquaculture Freezers\/coolers and heating systems Motors, generators and ventilations systems Academic, scientific and medical laboratories.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/0008_large.jpg?v=1478103406\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003eFEATURES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003eDurable 2 ½” stainless steel probe with 20” cable\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eComplete with wallet-style carrying case\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eLarge, easy-to-read LCD display\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eTemp. Range:\u003c\/strong\u003e -58 to 482°F (-50 to 250°C) \u003cbr\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e .0.1°C and 0.1 °F \u003cbr\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±1°C (-10 to 100°C ), ±2°C (101 to 200°C ), ±3°C (-50 to -10°C ), ±5°C (200 to 250°C ) \u003cbr\u003e\u003cstrong\u003ePower source:\u003c\/strong\u003e 2 x 1.5V button cell batteries (included) \u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5.4 x 10.8 x 1.2cm (2.1 x 4.2 x .5 inches) \u003cbr\u003e\u003cstrong\u003eWeight with case:\u003c\/strong\u003e 85g (3 oz) \u003cbr\u003e\u003cstrong\u003eWeight without case:\u003c\/strong\u003e 56.7g (2 oz) \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUPC:\u003c\/strong\u003e 891144000458 \u003c\/p\u003e","brand":"Get Ultimate Now LLC","offers":[{"title":"Default Title","offer_id":32084190916,"sku":"2130","price":34.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/TM-1.jpg?v=1736623304"},{"product_id":"qc-1-quick-check-tds-conductivity-monitor","title":"HM Digital QC-1 Quick Check TDS\/Conductivity Monitor","description":"\u003cp id=\"teaser\"\u003ePress the \"Push-to-Check\" button for an instant water quality check!\u003c\/p\u003e\n\u003ch2\u003eFEATURES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003eWith the push of a button, the unit displays a green or red light, indicating good water quality or service required, respectively.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eTests for TDS or conductivity levels.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eEight programmable set points (by dip switch).\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eBright LED lights.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eSimple to use.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eFactory Calibrated to 100 ppm NaCl. Re-calibration is unncessary.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eComes equipped with  Mur-lok\u003cstrong\u003e\u003csup\u003e\u003cspan style=\"font-size: xx-small; color: #000000;\"\u003e®\u003c\/span\u003e\u003c\/sup\u003e\u003c\/strong\u003e Quick-Connect T-fitting (1\/4 inch standard, also available in 3\/8\" or 1\/2\" ).\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eExcellent Reverse Osmosis (RO) or Deionization (DI) monitor\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eInstalls quickly and easily.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/qc1_action_web_hmd_large.jpg?v=1478103859\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eTDS\/EC Range:\u003c\/strong\u003e 0-5000 ppm (10,000 µS) \u003cbr\u003e\u003cstrong\u003eMax. Set Point:\u003c\/strong\u003e 50 ppm (100 µS) \u003cbr\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±3% \u003cbr\u003e\u003cstrong\u003eATC:\u003c\/strong\u003e No \u003cbr\u003e\u003cstrong\u003eCable Length:\u003c\/strong\u003e 24.5\" (including sensor) \u003cbr\u003e\u003cstrong\u003eFittings:\u003c\/strong\u003e 1\/4\" \u003cbr\u003e\u003cstrong\u003ePower source:\u003c\/strong\u003e 4 x 1.5V button cell batteries (389-A) (included) \u003cbr\u003e\u003cstrong\u003eBattery life:\u003c\/strong\u003e Approx. one year \u003cbr\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.) \u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 39.7 g (1.4 oz.) (not including sensor)\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32084461572,"sku":"50027","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/qc1_action_web_hmd.jpg?v=1570508780"},{"product_id":"hm-digital-sm-1-inline-tds-monitor-0-9990-ppm","title":"HM Digital SM-1 In-Line TDS Monitor - 0-9990 ppm Digital Water Quality Tester","description":"\u003cp id=\"teaser\"\u003eIdeal for any water filtration system, including reverse osmosis systems, coolers and much more.\u003c\/p\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003eFEATURES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003eDisplays TDS level of a single water line.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eHighly efficient and accurate due to its advanced microprocessor technology.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eAuto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eWide Range 0-9990 ppm (From 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image.)\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eFactory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eComes equipped with  Mur-lok\u003cstrong\u003e\u003csup\u003e\u003cspan style=\"font-size: xx-small; color: #000000;\"\u003e®\u003c\/span\u003e\u003c\/sup\u003e\u003c\/strong\u003e Quick-Connect T-fitting (1\/4 inch standard, also available in 3\/8\" or 1\/2\" ).\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eInstalls quickly and easily.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/SM11_large.jpg?v=1478105125\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRange:\u003c\/strong\u003e 0-9990 ppm \u003cbr\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±2% \u003cbr\u003e\u003cstrong\u003eConversion Factor:\u003c\/strong\u003e NaCl (avg. 0.5)\u003cbr\u003e\u003cstrong\u003eCable Length:\u003c\/strong\u003e 24.5\" (including sensor) \u003cbr\u003e\u003cstrong\u003eFittings:\u003c\/strong\u003e 1\/4\" standard, also available with 3\/8\" or 1\/2\" \u003cbr\u003e\u003cstrong\u003ePower source:\u003c\/strong\u003e 2 x 1.5V button cell batteries (LR44 or equivalent; included) \u003cbr\u003e\u003cstrong\u003eBattery life:\u003c\/strong\u003e approx. 1000 hours of continuous use \u003cbr\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.) \u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 79.4 g (2.8 oz.)\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32084728516,"sku":"2126","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/SM1.jpg?v=1556611215"},{"product_id":"hm-digital-dm-1-inline-dual-tds-monitor-in-out","title":"HM Digital DM-1 Inline Dual TDS Monitor - In\/Out Water Quality Tester 0-9990 ppm","description":"\u003cp id=\"teaser\"\u003eMeasure the tap water coming in vs. the purified water going out of your water filtration system at any time.\u003c\/p\u003e\n\u003ch2\u003e\u003c\/h2\u003e\n\u003ch2\u003eFEATURES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003eDisplays TDS levels of the feed water and product water with in \u0026amp; out electrode probes.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eHighly efficient and accurate due to its advanced microprocessor technology.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eAuto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eDual Range 0-9990 ppm (From 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image.)\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eour meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eComes equipped with Mur-lok\u003cstrong\u003e\u003csup\u003e\u003cspan style=\"color: #000000; font-size: xx-small;\"\u003e®\u003c\/span\u003e\u003c\/sup\u003e\u003c\/strong\u003e Quick-Connect T-fittings.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eInstalls quickly and easily.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/DM1_large.jpg?v=1478184206\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRange:\u003c\/strong\u003e 0-9990 ppm \u003cbr\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±2% \u003cbr\u003e\u003cstrong\u003eConversion Factor:\u003c\/strong\u003e NaCl (avg. 0.5)\u003cbr\u003e\u003cstrong\u003eCable Length:\u003c\/strong\u003e 24.5\" (including sensor) \u003cbr\u003e\u003cstrong\u003eFittings:\u003c\/strong\u003e 1\/4\" standard, also available with 3\/8\" or 1\/2\" \u003cbr\u003e\u003cstrong\u003ePower source:\u003c\/strong\u003e 2 x 1.5V button cell batteries (LR44 or equivalent; included) \u003cbr\u003e\u003cstrong\u003eBattery life:\u003c\/strong\u003e approx. 1000 hours of continuous use \u003cbr\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.) \u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 79.4 g (2.8 oz.) \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"153\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr height=\"20\"\u003e\n\u003ctd width=\"153\" height=\"20\" class=\"xl65\"\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e891144000052\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32125317764,"sku":"50007","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/DM1.jpg?v=1556611208"},{"product_id":"dm-2-commercial-in-line-dual-tds-monitor","title":"HM Digital DM-2 Commercial Dual TDS Monitor","description":"\u003cp id=\"teaser\"\u003eInstall on industrial systems such as car washes, window washing, manufacturing, and food processing. UPGRADED APRIL 2012! The newly upgraded model features digital calibration, low battery indicator, improved accuracy, longer battery life (2 years), longer auto shut-off time (3 min), diagnostic error messaging, and shielded sensor cables. (Upgraded features below are in red.)\u003c\/p\u003e\n\u003ch2\u003e\u003c\/h2\u003e\n\u003ch2\u003eFEATURES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003eHighly efficient and accurate due to its advanced microprocessor technology.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eDisplays TDS levels of the Feed Water and Product Water with in \u0026amp; out electrode probes.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eAuto-Off function conserves battery power. The unit shuts off automatically after \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e3 minutes\u003c\/span\u003e\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eDual Range - Measures from 0-999 ppm, with a resolution of 1 ppm. From 1000 to 9990 ppm, the resolution is in 10 ppm increments, indicated by a blinking 'x10' image.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eour meters are calibrated with a 342 ppm NaCl solution. The DM-2 features \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003edigital calibration\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eDiagnostic error messaging\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eShielded sensor cables\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eComes equipped with 1\/4 inch Mur-lok\u003cstrong\u003e\u003csup\u003e\u003cspan style=\"font-size: xx-small; color: #000000;\"\u003e®\u003c\/span\u003e\u003c\/sup\u003e\u003c\/strong\u003e Quick-Connect T-fittings. Also available with 3\/8\" or 1\/2\" fittings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003eInstalls quickly and easily.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp align=\"left\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDifferences from the DM-1:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003eDesigned for commercial\/industrial applications.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eStronger, water-resistant casing.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eDigital calibration can be done individually on each line.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eImproved design, including an extra large, easy-to-read LCD display.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eLonger, waterproof, shielded cables.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eVariable mounting bracket.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/dm2_web_large.jpg?v=1478184449\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e \u003c\/div\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRange:\u003c\/strong\u003e 0-9990 ppm \u003cbr\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±2% \u003cbr\u003e\u003cstrong\u003eConversion Factor:\u003c\/strong\u003e NaCl (avg. 0.5)\u003cbr\u003e\u003cstrong\u003eCable Length:\u003c\/strong\u003e 46\" (including sensor), shielded cables\u003cbr\u003e\u003cstrong\u003eSensor:\u003c\/strong\u003e Dual, 1\/4\" diameter for quick-connect fittings (model Sp-3, included)\u003cbr\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eDigital Calibration:\u003c\/span\u003e\u003c\/strong\u003e Digitally factory calibrated to NaCl 342 ppm. Re-calibration can be done separately for each line. \u003cbr\u003e\u003cstrong\u003ePower source:\u003c\/strong\u003e 2 x AA batteries (included) \u003cbr\u003e\u003cstrong\u003eBattery life:\u003c\/strong\u003e Approx. \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e2 years\u003c\/strong\u003e\u003c\/span\u003e \u003cbr\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 11.6 x 6.8 x1.8 cm (4.6 x 2.6 x .7in.) \u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 201.3 g (7.1 oz.)\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32125796868,"sku":"50008","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/dm2_installed_web.jpg?v=1559457381"},{"product_id":"dm-2ec-commercial-inline-dual-ec-monitor","title":"HM Digital DM-2EC Commercial Inline Dual EC Monitor","description":"\u003csection data-element_type=\"section\" data-id=\"7556ed52\" class=\"elementor-section elementor-top-section elementor-element elementor-element-7556ed52 elementor-section-boxed elementor-section-height-default elementor-section-height-default\"\u003e\n\u003cdiv class=\"elementor-container elementor-column-gap-default\"\u003e\n\u003cdiv data-element_type=\"column\" data-id=\"39a87ea5\" class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-39a87ea5\"\u003e\n\u003cdiv class=\"elementor-widget-wrap elementor-element-populated\"\u003e\n\u003cdiv data-widget_type=\"stad_for_elementor_heading.default\" data-element_type=\"widget\" data-id=\"61517f2e\" class=\"elementor-element elementor-element-61517f2e elementor-widget elementor-widget-stad_for_elementor_heading\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch2 data-lineheight=\"48px\" data-fontsize=\"40\" class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\"\u003eDM-2EC: Commercial In-Line Dual EC Monitor\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-widget_type=\"text-editor.default\" data-element_type=\"widget\" data-id=\"7c50be16\" class=\"elementor-element elementor-element-7c50be16 elementor-widget elementor-widget-text-editor\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cp\u003eThe DM-2EC is a commercial-grade monitor measuring ELECTRICAL CONDUCTIVITY feed (input) water vs. product (output) water of a water filtration system at any time. With its shielded cables and diagnostic messaging this robust device is ideal for Reverse Osmosis (RO), Deionized water (DI) filtration systems that work well in applications such as industrial water filtration systems for car washes, window washing, manufacturing, and food processing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-widget_type=\"stad_for_elementor_heading.default\" data-element_type=\"widget\" data-id=\"7a8b99ba\" class=\"elementor-element elementor-element-7a8b99ba elementor-widget elementor-widget-stad_for_elementor_heading\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3 data-lineheight=\"41.6px\" data-fontsize=\"32\" class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\"\u003eFEATURES\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-widget_type=\"stad_for_elementor_classic_list.default\" data-element_type=\"widget\" data-id=\"31ed1187\" class=\"elementor-element elementor-element-31ed1187 elementor-widget elementor-widget-stad_for_elementor_classic_list\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"stad-classic-list-container stad-flex\"\u003e\n\u003cul class=\"stad-classic-list stad-list stad-classic-block-list\"\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-2b88e3c\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eHighly efficient and accurate due to its advanced microprocessor technology\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-d7eaf00\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eDisplays EC levels of the Feed Water and Product Water with in \u0026amp; out electrode probes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-92ab377\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eAuto-Off function conserves battery power (Shuts off automatically after 3 minutes)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-ed89f15\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eFactory Calibrated: calibrated to 1413 µS. The DM-2EC features digital calibration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-66012c3\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eDiagnostic error messaging\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-5fa413a\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eShielded sensor cables\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-160e685\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eComes equipped with two 1\/4 inch T-fittings (Also available with 3\/8″ or 1\/2″ fittings)\u003c\/span\u003e\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\u003csection data-element_type=\"section\" data-id=\"601d501\" class=\"elementor-section elementor-top-section elementor-element elementor-element-601d501 elementor-section-boxed elementor-section-height-default elementor-section-height-default\"\u003e\n\u003cdiv class=\"elementor-container elementor-column-gap-default\"\u003e\n\u003cdiv data-element_type=\"column\" data-id=\"55f491c\" class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-55f491c\"\u003e\n\u003cdiv class=\"elementor-widget-wrap elementor-element-populated\"\u003e\n\u003cdiv data-widget_type=\"stad_for_elementor_heading.default\" data-element_type=\"widget\" data-id=\"2e46c68\" class=\"elementor-element elementor-element-2e46c68 elementor-widget elementor-widget-stad_for_elementor_heading\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3 data-lineheight=\"41.6px\" data-fontsize=\"32\" class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\"\u003eSPECIFICATION\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-widget_type=\"text-editor.default\" data-element_type=\"widget\" data-id=\"590b4b3\" class=\"elementor-element elementor-element-590b4b3 elementor-widget elementor-widget-text-editor\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0-9990 µS Dual Range – Measures from 0-999 µS, with a resolution of 1 ppm. From 1000 to 9990 µS, the resolution is in 10 µS increments, indicated by a blinking ‘x10’ image.\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±2%\u003c\/li\u003e\n\u003cli\u003eCable Length: 46″ (including sensor), shielded cables\u003c\/li\u003e\n\u003cli\u003eSensor: Dual, 1\/4″ diameter for quick-connect fittings (model SP-3, included)\u003c\/li\u003e\n\u003cli\u003eDigital Calibration: Digitally factory calibrated to 700 µS. Re-calibration can be done separately for each line.\u003c\/li\u003e\n\u003cli\u003ePower source: 2 x AA batteries (included)\u003c\/li\u003e\n\u003cli\u003eBattery life: Approx. 2 years\u003c\/li\u003e\n\u003cli\u003eSize: 11.6 x 6.8 x1.8 cm (4.6 x 2.6 x .7in.)\u003c\/li\u003e\n\u003cli\u003eWeight: 201.3 g (7.1 oz.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDifferences from the DM-1:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures EC (Electrical Conductivity) in µS (micro-Siemens)\u003c\/li\u003e\n\u003cli\u003eDesigned for commercial\/industrial applications\u003c\/li\u003e\n\u003cli\u003eStronger, water-resistant casing\u003c\/li\u003e\n\u003cli\u003eDigital calibration can be done individually on each line.\u003c\/li\u003e\n\u003cli\u003eImproved design, including an extra-large, easy-to-read LCD display\u003c\/li\u003e\n\u003cli\u003eLonger, waterproof, shielded cables\u003c\/li\u003e\n\u003cli\u003eVariable mounting bracket\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","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32907123332,"sku":"50009","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HMDM-2EC_8c3e25ba-0cd2-47f7-a5b4-4f385ee370b4.png?v=1699120787"},{"product_id":"hm-digital-trm-1-triple-inline-tds-monitor","title":"HM Digital TRM-1 Triple Inline TDS Monitor - 3-Sensor Water Quality Meter","description":"\u003cp id=\"teaser\"\u003eThree sensor TDS monitor that is ideal for checking TDS levels at 3 points, such as with DI\/RO (deionization \/ reverse osmosis), or multiple points in an RO system, and more.\u003c\/p\u003e\n\u003ch2\u003e\u003c\/h2\u003e\n\u003ch2\u003eFEATURES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDisplays TDS levels of the three sensing points with electrode probes.\u003c\/li\u003e\n\u003cli\u003eHighly efficient and accurate due to its advanced microprocessor technology.\u003c\/li\u003e\n\u003cli\u003eAuto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use.\u003c\/li\u003e\n\u003cli\u003eDual Range 0-9990 ppm (From 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image.)\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.\u003c\/li\u003e\n\u003cli\u003eComes equipped with Mur-lok\u003cstrong\u003e\u003csup\u003e\u003cspan style=\"font-size: xx-small; color: #000000;\"\u003e®\u003c\/span\u003e\u003c\/sup\u003e\u003c\/strong\u003e Quick-Connect T-fittings (standard is 1\/4\", also available with 3\/8\" or 1\/\"2 T-fittings)\u003c\/li\u003e\n\u003cli\u003eInstalls quickly and easily.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRange:\u003c\/strong\u003e 0-9990 ppm \u003cbr\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±2% \u003cbr\u003e\u003cstrong\u003eConversion Factor:\u003c\/strong\u003e NaCl (avg. 0.5)\u003cbr\u003e\u003cstrong\u003eCable Length:\u003c\/strong\u003e 24.5\" (including sensor) \u003cbr\u003e\u003cstrong\u003eFittings:\u003c\/strong\u003e 1\/4\" standard, also available with 3\/8\" or 1\/2\" \u003cbr\u003e\u003cstrong\u003ePower source:\u003c\/strong\u003e 2 x 1.5V button cell batteries (LR44 or equivalent; included) \u003cbr\u003e\u003cstrong\u003eBattery life:\u003c\/strong\u003e approx. 1000 hours of continuous use \u003cbr\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.) \u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 79.4 g (2.8 oz.) \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/TRM-1_large.jpg?v=1481058104\"\u003e\u003c\/p\u003e","brand":"Get Ultimate Now LLC","offers":[{"title":"Default Title","offer_id":32907147332,"sku":"50032","price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/TRM-1.jpg?v=1556611221"},{"product_id":"hm-digital-pm-2-external-inline-tds-purity-monitor","title":"HM Digital PM-2 External In-Line TDS Purity Monitor - Alarm Alert with Display","description":"\u003cp id=\"teaser\"\u003eAn ideal monitor\/alert for water coolers and other enclosed water purification systems. Alerts a user when the filtration system requires service.\u003c\/p\u003e\n\u003ch2\u003eFEATURES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003eExternal single line internal TDS monitor that is ideal for most water purification systems.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eIncludes a light and optional alarm that alerts the user service is required when the TDS level reaches the pre-programmed set-point.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eUser-defined set points (any even number between 2 and 200).\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRange:\u003c\/strong\u003e 0-200 ppm (mg\/L) \u003cbr\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e +\/- 2% \u003cbr\u003e\u003cstrong\u003eCalibration:\u003c\/strong\u003e Factory calibrated \u003cbr\u003e\u003cstrong\u003eAlert:\u003c\/strong\u003e Warning light, optional alarm \u003cbr\u003e\u003cstrong\u003eLight color:\u003c\/strong\u003e Either red or yellow \u003cbr\u003e\u003cstrong\u003eLight function:\u003c\/strong\u003e Either flashes or is steady \u003cbr\u003e\u003cstrong\u003eAlarm:\u003c\/strong\u003e Beeps for 20 seconds, then goes silent \u003cbr\u003e\u003cstrong\u003ePower Source:\u003c\/strong\u003e AC 110V \/ 220V ±2% \u003cbr\u003e\u003cstrong\u003eCable Length:\u003c\/strong\u003e 62.86 cm (24.75\") \u003cbr\u003e\u003cstrong\u003eFittings:\u003c\/strong\u003e 1\/4\" standard, also available with 3\/8\" or 1\/2\" \u003cbr\u003e\u003cstrong\u003eMax. Water Pressure:\u003c\/strong\u003e 200 PSIG (at 23°C with a 1\/4\" fitting) \u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 12.9 x 7.3 x 6 cm (5 x 2.9 x 2.4 in.) \u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 340 g (12 oz.)\u003c\/p\u003e\n\u003cp\u003e\u003cimg width=\"332\" height=\"230\" style=\"margin-right: auto; margin-left: auto; display: block;\" alt=\"\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/PM-2_large.jpg?v=1481058411\"\u003e\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32907172036,"sku":"50026","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/PM-2.jpg?v=1557450006"},{"product_id":"hm-digital-com-300-ph-tds-ec-temp-meter","title":"HM Digital COM-300 Ph\/Tds\/EC\/Temp Meter","description":"\u003cp\u003eThe COM-300 is a professional grade level pH\/EC\/TDS\/Temp meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs \u0026amp; scientific testing, pools \u0026amp; spas, ecology testing, boilers \u0026amp; cooling towers, water treatment and more.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and Temperature\u003c\/li\u003e\n\u003cli\u003eFive scales: pH, µS, mS, ppm 0.5 (NaCl) Scale \u0026amp; 0.7 (442™) Scale\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC) using three temperature coefficients\u003c\/li\u003e\n\u003cli\u003eWaterproof housing (IP-67 rating)\u003c\/li\u003e\n\u003cli\u003eDigital Calibration (push button) to any point within the meter’s range\u003c\/li\u003e\n\u003cli\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/li\u003e\n\u003cli\u003eDisplay: large and easy-to-read LCD screen includes simultaneous temperature reading\u003c\/li\u003e\n\u003cli\u003eReplaceable Sensor (model SP-CP)\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated (pH\/EC\/TDS)\u003c\/li\u003e\n\u003cli\u003eIncludes translucent cap, 2 (AAA) alkaline batteries, pH 4 \u0026amp; 7 calibration solutions, pH storage solution and lanyard\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003epH Range: 0 – 14 pH\u003c\/li\u003e\n\u003cli\u003eEC Range: 0 – 9990 µS; 0 – 9.99 mS\u003c\/li\u003e\n\u003cli\u003eTDS Range: 0 – 8560 ppm (0.7 Scale); 0 – 5000 ppm (0.5 Scale)\u003c\/li\u003e\n\u003cli\u003eTemperature Range: 0-55 °C; 32-130°F\u003c\/li\u003e\n\u003cli\u003eResolution: 0-99: 0.1 µS\/ppm\/ 0.01mS ; 100-999: 1 µS\/ppm; 1000-9990: 10 µS\/ppm. Temp. resolution is 0.1 °C\/F\u003c\/li\u003e\n\u003cli\u003eAccuracy: +\/- 2%\u003c\/li\u003e\n\u003cli\u003eEC to TDS Conversion Factor: Non-linear conversions for KCl, 442TM or NaCl solutions, selected by the user.\u003c\/li\u003e\n\u003cli\u003eProbe: Detachable platinum electrodes \u0026amp; pH glass sensor with reference tube electrodes\u003c\/li\u003e\n\u003cli\u003eHousing: IP-67 Waterproof (submersible; floats)\u003c\/li\u003e\n\u003cli\u003ePower source: 2 x Triple A (AAA) included\u003c\/li\u003e\n\u003cli\u003eDimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)\u003c\/li\u003e\n\u003cli\u003eWeight: 101.5g (3.6 oz)\u003c\/li\u003e\n\u003cli\u003e442 is a registered trademark of the Myron L Company.\u003c\/li\u003e\n\u003cli\u003e\u003cimg style=\"margin-right: auto; margin-left: auto; display: block;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/COM-300_large.png?v=1505489611\"\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":51427571460,"sku":"50005","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/COM-300.png?v=1556611207"},{"product_id":"hm-digital-pm-1-oem-inline-tds-purity-monitor-alarm","title":"HM Digital PM-1 OEM In-Line TDS Purity Monitor - Alarm Alert for Water Systems","description":"\u003cp\u003eThe PM-1 is an OEM monitor\/alert sensor for water coolers and other enclosed water purification systems. It is an ideal alert when the filtration system requires service.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM single line internal TDS monitor that is ideal for enclosed water purification systems.\u003c\/li\u003e\n\u003cli\u003eIncludes a light and optional alarm that alerts the user service is required when the TDS level reaches the pre-programmed set-point.\u003c\/li\u003e\n\u003cli\u003eUser-defined set points (any even number between 2 and 200).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0-200 ppm (mg\/L)\u003c\/li\u003e\n\u003cli\u003eAccuracy: +\/- 2%\u003c\/li\u003e\n\u003cli\u003eCalibration: Factory calibrated\u003c\/li\u003e\n\u003cli\u003eAlert: Warning light, optional alarm\u003c\/li\u003e\n\u003cli\u003eLight color: Either red or yellow\u003c\/li\u003e\n\u003cli\u003eLight function: Either flashes or is steady\u003c\/li\u003e\n\u003cli\u003eAlarm: Beeps for 20 seconds, then goes silent\u003c\/li\u003e\n\u003cli\u003ePower Source: AC 110V \u003c\/li\u003e\n\u003cli\u003eCable Length: 62.86 cm (24.75″)\u003c\/li\u003e\n\u003cli\u003eFittings: 1\/4″ standard, also available with 3\/8″ or 1\/2″\u003c\/li\u003e\n\u003cli\u003eMax. Water Pressure: 200 PSIG (at 23°C with a 1\/4″ fitting)\u003c\/li\u003e\n\u003cli\u003eCircuit Board Dimensions: 8.9 x 6.9 x 3.8 cm (3.5 x 2.7 x 1.5 in.)\u003c\/li\u003e\n\u003cli\u003eWeight: 266.5 g (9.4 oz.)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Get Ultimate Now LLC","offers":[{"title":"Default Title","offer_id":51427763076,"sku":"50025","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/pm1-main-600x429.png?v=1556611227"},{"product_id":"hm-digital-sb-1500h-salt-temperature-meter-waterproof","title":"HM Digital SB-1500H Salt and Temperature Meter - Waterproof with Measuring Spoon","description":"\u003cp\u003eThis Newly released SB-1500H is ideal for measuring salt content in food, pools, salt water aquariums and many more.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSalt meter with measuring spoon (percentage of salt)\u003c\/li\u003e\n\u003cli\u003eIdeal for pools, saltwater aquariums and good preparation\u003c\/li\u003e\n\u003cli\u003eLarge LCD display – horizontal angle for easy viewing\u003c\/li\u003e\n\u003cli\u003eWaterproof housing\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0.01% to 10.0% (0ppm to 100,000ppm with NaCl)\u003c\/li\u003e\n\u003cli\u003eTemp Range: 1 – 99 ˚C (ATC Range)\u003c\/li\u003e\n\u003cli\u003eResolution: 0.1 ˚C\/F \/ 0.01% (under 3%), 0.1% (over 3%)\u003c\/li\u003e\n\u003cli\u003eAccuracy: 1 ˚C – 99 ˚C \/± 0.2% up to 2%, ±0.3% up to 3%, etc.\u003c\/li\u003e\n\u003cli\u003eCalibration: Factory calibrated\u003c\/li\u003e\n\u003cli\u003eElectrode: Platinum Sensor\u003c\/li\u003e\n\u003cli\u003eHousing: Water-Resistant\u003c\/li\u003e\n\u003cli\u003ePower Source: 3 X 1.5V batteries (included LR44 button cell type batteries)\u003c\/li\u003e\n\u003cli\u003eDimensions: 21.4cm x 3.4 x 3.4 cm (8.4 x 1.3 x 1.3 inches)\u003c\/li\u003e\n\u003cli\u003eWeight: 81g (2.9 oz.) (include batteries)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":51429476356,"sku":"21125","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/SB-1500PRO.png?v=1736959922"},{"product_id":"hm-digital-hm-500-hydromaster-ph-ec-tds-temperature-monitor","title":"HM Digital HM-500 HydroMaster pH EC TDS Temperature Monitor - Rechargeable Continuous Tester","description":"\u003cp\u003e\u003cstrong\u003eHM-500 HydroMaster: EC\/TDS, pH, Temp Continuous Monitor\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe HM-500 is the most versatile continuous monitor indicating EC\/TDS, pH, and Temp providing accurate, stable readings the user can rely on. With its rechargeable battery this unit is portable or can be wall mounted.. To make is even more user friendly, it comes equipped with touch screen, high and low alarm set points, and recorded readings. It is ideal for hydroponics and other applications such as lab, pools, aquariums etc.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous pH\/EC\/TDS\/Temp Monitor\u003c\/li\u003e\n\u003cli\u003eRechargeable battery\u003c\/li\u003e\n\u003cli\u003eRF Resistant\u003c\/li\u003e\n\u003cli\u003ePortable\/Wall Mount\/Benchtop\u003c\/li\u003e\n\u003cli\u003eData Storage: Up to 20 measurement readings\u003c\/li\u003e\n\u003cli\u003eAuto Shut-Off: After 5 minutes\u003c\/li\u003e\n\u003cli\u003eAlarm: Adjustable High \u0026amp; Low Set Point and on\/off\u003c\/li\u003e\n\u003cli\u003eDisplay: LCD Touch-Type Screen with Auto Back lighting\u003c\/li\u003e\n\u003cli\u003eProbe: ABS with Platinum electrodes for EC \/ Single Junction pH Sensor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HM-500_large.png?v=1523633138\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasurement Scales\n\u003cul\u003e\n\u003cli\u003epH: pH\u003c\/li\u003e\n\u003cli\u003eTemp: °C, °F\u003c\/li\u003e\n\u003cli\u003eTDS: ppm (0.5 \/ ppm (0.7) \/ ppt (0.5) \/ ppt (0.7)\u003c\/li\u003e\n\u003cli\u003eEC: µS \/ mS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eRange: pH: 0.00 – 14.00 pH\n\u003cul\u003e\n\u003cli\u003eTemperature: 0.0 – 80.0 °C \/ 32.0 – 176 °F\u003c\/li\u003e\n\u003cli\u003eTDS: 0 – 9999 ppm \/ 0 – 10.00 ppt\u003c\/li\u003e\n\u003cli\u003eEC: 0 – 9999 µS \/ 0 – 20.00 mS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eResolution:\u003c\/li\u003e\n\u003cli\u003epH: 0.1 pH\u003c\/li\u003e\n\u003cli\u003eTemp: 0.1°C \/ 0.1 °F\u003c\/li\u003e\n\u003cli\u003eTDS: ppm: 0.1ppm (0 – 99.9ppm) \/ 1 ppm (100-999ppm) \/ 10ppm (1000-9990 ppm) ppt: 0.01 ppt (0.01 – 10.00 ppt)\u003c\/li\u003e\n\u003cli\u003eEC: µS: 0.1 µS (0 – 99.9 µS) \/ 1 uS  (100 – 999 µS) \/ 10µS (1000-9990 µS) mS: 0.01 mS  (0.01 – 20.00 mS)\u003c\/li\u003e\n\u003cli\u003eATC: Yes\u003c\/li\u003e\n\u003cli\u003eAccuracy: pH: ± 0.1 pH\n\u003cul\u003e\n\u003cli\u003eTemp: ± 1 °C \/ ˚F\u003c\/li\u003e\n\u003cli\u003eTDS: ± 2 %\u003c\/li\u003e\n\u003cli\u003eEC: ± 2 %\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower Source: AC 110 V – 220V \/ Rechargeable Lithium Ion Battery\u003c\/li\u003e\n\u003cli\u003eFunction Environment: 0 – 50°C (0-122°C) \/ RH 80 % (EC Probe: 0 – 80°C)\u003c\/li\u003e\n\u003cli\u003eSensor Cable: 24-inch shielded Coaxial Cable\u003c\/li\u003e\n\u003cli\u003eDimensions: About 8 x 4 x 1.5 inches\u003c\/li\u003e\n\u003cli\u003eWeight: 15.2 ounces for body \/ 5 ounces for two probes (without case)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":8129075839063,"sku":"50021","price":289.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/HM-500.png?v=1559860325"},{"product_id":"hm-digital-hm-200-ph-ec-tds-monitor-portable","title":"HM Digital HM-200 pH EC TDS Monitor - Portable 5-in-1 Water Quality Tester","description":"\u003ch2\u003eProfessional Portable 5-in-1 pH\/EC\/TDS\/Salinity\/Temperature Monitor\u003c\/h2\u003e\u003cp\u003eThe HM Digital HM-200 is a professional-grade portable monitor that simultaneously displays pH, Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity, and Temperature on a large LCD screen. 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7 calibration buffers, storage solution, protective boot, and batteries\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Range:\u003c\/strong\u003e 0–14 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Range:\u003c\/strong\u003e 0–9,990 µS; 0–9.99 mS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTDS Range:\u003c\/strong\u003e 0–8,560 ppm (0.7 scale); 0–5,000 ppm (0.5 scale)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSalinity Range:\u003c\/strong\u003e Measured via EC conversion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e 0–55°C (32–130°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 0.1 µS\/ppm (0-99); 1 µS\/ppm (100-999); 10 µS\/ppm (1000-9990); 0.1°C\/F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±2% full scale\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e Digital push-button to any point; factory calibrated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Compensation:\u003c\/strong\u003e Automatic (ATC) with three coefficients\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensors:\u003c\/strong\u003e Replaceable SP-C2 (conductivity) and SP-P5 (pH)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e Large LCD with simultaneous 3-parameter readout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 2 × AA alkaline batteries (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2 lbs (with protective boot)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 50020\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcode:\u003c\/strong\u003e 891144000625\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMade in USA\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications:\u003c\/h3\u003e\u003cp\u003ePerfect for hydroponics nutrient monitoring, water purification systems, wastewater regulation compliance, aquaculture water quality management, colloidal silver production, laboratory research and testing, pool \u0026amp; 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The replaceable sensor design means you can swap out worn electrodes instead of replacing the entire unit, significantly reducing long-term costs. Factory calibration ensures accuracy out of the box, while digital recalibration maintains precision over years of use.\u003c\/p\u003e\u003ch3\u003eMaintenance \u0026amp; Care:\u003c\/h3\u003e\u003cp\u003eRinse sensors with distilled water after each use. Store the pH sensor (SP-P5) with the protective cap filled with pH storage solution to maintain electrode hydration. Recalibrate pH monthly or when readings drift. Replace sensors as needed—SP-C2 conductivity sensor typically lasts 12-18 months, SP-P5 pH sensor 12-24 months with proper care. Replace batteries when the low-battery indicator appears.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNote: 442™ is a registered trademark of Myron L Company. Regular calibration with pH 4.01 and 7.01 buffers recommended for optimal accuracy.\u003c\/em\u003e\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":8129109393495,"sku":"50020","price":204.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/HM-200.png?v=1736258709"},{"product_id":"hm-digital-tds-tester","title":"HM Digital TDS Tester – Pocket-Size Water Quality Meter, Factory Calibrated","description":"\u003ch2\u003eHM Digital TDS Tester – Affordable, Accurate Water Quality Testing\u003c\/h2\u003e\n\u003cp\u003eThe HM Digital TDS Tester is a compact, easy-to-use meter designed for quick and reliable Total Dissolved Solids (TDS) measurement. Whether you're testing drinking water, monitoring a hydroponic reservoir, checking aquarium water quality, or verifying RO\/filter output, this pocket-sized tester delivers instant results without breaking the budget.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures Total Dissolved Solids (TDS) in water\u003c\/li\u003e\n\u003cli\u003eFactory calibrated with a 342 ppm NaCl solution for out-of-the-box accuracy\u003c\/li\u003e\n\u003cli\u003eLarge, easy-to-read LCD display\u003c\/li\u003e\n\u003cli\u003eAuto-off function to conserve battery life\u003c\/li\u003e\n\u003cli\u003ePocket-size and lightweight — ideal for field or home use\u003c\/li\u003e\n\u003cli\u003eLow cost without sacrificing quality — perfect as a promotional item or bundle add-on\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDrinking water and tap water quality checks\u003c\/li\u003e\n\u003cli\u003eReverse osmosis (RO) and filtered water verification\u003c\/li\u003e\n\u003cli\u003eHydroponics and aquaponics nutrient monitoring\u003c\/li\u003e\n\u003cli\u003eAquarium and fish tank water testing\u003c\/li\u003e\n\u003cli\u003ePool and spa water quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement:\u003c\/strong\u003e TDS (Total Dissolved Solids)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e Factory calibrated at 342 ppm NaCl\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e Large LCD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-off:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e Pocket\/pen-style\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e HM Digital\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":27871521964119,"sku":"4999","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/TDS_Meter.png?v=1570508785"},{"product_id":"dm-2-dual-tds-monitor","title":"HM Digital DM-2 Commercial In-Line Dual TDS Monitor, 0-9990 ppm Range, \/- 2% Readout Accuracy","description":"\u003cp\u003e\u003cstrong\u003eDM-2: Commercial In-Line Dual TDS Monitor\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe DM-2 is a commercial grade monitor measuring TDS feed (input) water vs. product (output) water of a water filtration system at any time. With its shielded cables and diagnostic messaging this robust device is ideal for Reverse Osmosis (RO), Deionized water (DI) filtration systems that work well in applications such as drinking or potable water, Water treatment, Aquariums, Hydroponics and many more.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHighly efficient and accurate due to its advanced microprocessor technology\u003c\/li\u003e\n\u003cli\u003eDisplays TDS levels of the Feed Water and Product Water with in \u0026amp; out electrode probes\u003c\/li\u003e\n\u003cli\u003eAuto-Off function conserves battery power (Shuts off automatically after 3 minutes)\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. The DM-2 features digital calibration.\u003c\/li\u003e\n\u003cli\u003eDiagnostic error messaging\u003c\/li\u003e\n\u003cli\u003eShielded sensor cables\u003c\/li\u003e\n\u003cli\u003eComes equipped with two 1\/4 inch T-fittings (Also available with 3\/8″ or 1\/2″ fittings)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0-9990 ppm Dual Range – Measures from 0-999 ppm, with a resolution of 1 ppm. From 1000 to 9990 ppm, the resolution is in 10 ppm increments, indicated by a blinking ‘x10’ image.\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±2%\u003c\/li\u003e\n\u003cli\u003eConversion Factor: NaCl (avg. 0.5)\u003c\/li\u003e\n\u003cli\u003eCable Length: 46″ (including sensor), shielded cables\u003c\/li\u003e\n\u003cli\u003eSensor: Dual, 1\/4″ diameter for quick-connect fittings (model SP-3, included)\u003c\/li\u003e\n\u003cli\u003eDigital Calibration: Digitally factory calibrated to NaCl 342 ppm. Re-calibration can be done separately for each line.\u003c\/li\u003e\n\u003cli\u003ePower source: 2 x AA batteries (included)\u003c\/li\u003e\n\u003cli\u003eBattery life: Approx. 2 years\u003c\/li\u003e\n\u003cli\u003eSize: 11.6 x 6.8 x1.8 cm (4.6 x 2.6 x .7in.)\u003c\/li\u003e\n\u003cli\u003eWeight: 201.3 g (7.1 oz.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":29394442322007,"sku":"500081","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/dm2ec-main-600x429.png?v=1563104889"},{"product_id":"hm-digital-dm-2ec-commercial-in-line-dual-ec-monitor-0-9990-s-range-2-readout-accuracy","title":"HM Digital DM-2EC Commercial In-Line Dual EC Monitor, 0-9990 S Range, +\/- 2% Readout Accuracy","description":"\u003cp\u003e\u003cstrong\u003eDM-2EC: Commercial In-Line Dual EC Monitor\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe DM-2EC is a commercial grade monitor measuring ELECTRICAL CONDUCTIVITY feed (input) water vs. product (output) water of a water filtration system at any time. With its shielded cables and diagnostic messaging this robust device is ideal for Reverse Osmosis (RO), Deionized water (DI) filtration systems that work well in applications such as industrial water filtration systems for car washes, window washing, manufacturing, and food processing.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHighly efficient and accurate due to its advanced microprocessor technology\u003c\/li\u003e\n\u003cli\u003eDisplays EC levels of the Feed Water and Product Water with in \u0026amp; out electrode probes\u003c\/li\u003e\n\u003cli\u003eAuto-Off function conserves battery power (Shuts off automatically after 3 minutes)\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: calibrated to 1413 µS. The DM-2EC features digital calibration.\u003c\/li\u003e\n\u003cli\u003eDiagnostic error messaging\u003c\/li\u003e\n\u003cli\u003eShielded sensor cables\u003c\/li\u003e\n\u003cli\u003eComes equipped with two 1\/4 inch T-fittings (Also available with 3\/8″ or 1\/2″ fittings)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0-9990 µS Dual Range – Measures from 0-999 µS, with a resolution of 1 ppm. From 1000 to 9990 µS, the resolution is in 10 µS increments, indicated by a blinking ‘x10’ image.\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±2%\u003c\/li\u003e\n\u003cli\u003eCable Length: 46″ (including sensor), shielded cables\u003c\/li\u003e\n\u003cli\u003eSensor: Dual, 1\/4″ diameter for quick-connect fittings (model SP-3, included)\u003c\/li\u003e\n\u003cli\u003eDigital Calibration: Digitally factory calibrated to 1413 µS. Re-calibration can be done separately for each line.\u003c\/li\u003e\n\u003cli\u003ePower source: 2 x AA batteries (included)\u003c\/li\u003e\n\u003cli\u003eBattery life: Approx. 2 years\u003c\/li\u003e\n\u003cli\u003eSize: 11.6 x 6.8 x1.8 cm (4.6 x 2.6 x .7in.)\u003c\/li\u003e\n\u003cli\u003eWeight: 201.3 g (7.1 oz.)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":29394449629271,"sku":"500091","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/DM-2EC-1.png?v=1699120722"},{"product_id":"hm-digital-sm-1-inline-tds-monitor-single-line","title":"HM Digital SM-1 In-Line TDS Monitor - Single Line Digital Water Quality Meter","description":"\u003cp\u003e\u003cstrong\u003eSM-1: In-line Single TDS Monitor\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SM-1 is provides an easy to read single line TDS monitor that provides a digital readout. It is ideal for any water filtration system, including reverse osmosis systems, coolers and much more.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDisplays TDS level of a single water line\u003c\/li\u003e\n\u003cli\u003eEfficient and accurate\u003c\/li\u003e\n\u003cli\u003eAuto-Off function conserves battery power. (Shuts off automatically after 10 minutes of non-use)\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.\u003c\/li\u003e\n\u003cli\u003eComes equipped with one 1\/4 inch T-fitting (also available in 3\/8″ or 1\/2″).\u003c\/li\u003e\n\u003cli\u003eAlso available without T-fitting (Model Name: SM-1WOF)\u003c\/li\u003e\n\u003cli\u003eInstalls quickly and easily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0-9990 ppm: (0 – 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking ‘x10’ image.)\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±2%\u003c\/li\u003e\n\u003cli\u003eConversion Factor: NaCl (avg. 0.5)\u003c\/li\u003e\n\u003cli\u003eCable Length: 24.5″ (including sensor)\u003c\/li\u003e\n\u003cli\u003eFittings: 1\/4″ standard, also available with 3\/8″ or 1\/2″\u003c\/li\u003e\n\u003cli\u003ePower source: 2 x 1.5V button cell batteries (LR44 or equivalent; included)\u003c\/li\u003e\n\u003cli\u003eBattery life: approx. 1000 hours of continuous use\u003c\/li\u003e\n\u003cli\u003eSize: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.)\u003c\/li\u003e\n\u003cli\u003eWeight: 79.4 g (2.8 oz.)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":29394502844503,"sku":"21261","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/sm1-main-600x429.png?v=1563104896"},{"product_id":"hm-digital-ph-meter-ph-80-handheld-water-resistant-water-quality-tester-pen-with-atc-for-hydroponics-gardening-aquariums-reefs-pools-spas-water-treatment-drinking-water","title":"HM Digital PH Meter PH-80 Handheld Water Resistant Water Quality Tester","description":"\u003cp\u003e\u003cstrong\u003ePH-80: pH HydroTester Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe PH-80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such applications as hydroponics \u0026amp; gardening, pools \u0026amp; spas, aquariums \u0026amp; reef tanks, water ionizers, drinking water and more.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures pH and Temperature\u003c\/li\u003e\n\u003cli\u003eOne-touch automatic digital calibration\u003c\/li\u003e\n\u003cli\u003eWater resistant\u003c\/li\u003e\n\u003cli\u003eSimultaneous temperature display\u003c\/li\u003e\n\u003cli\u003eLarge LCD display\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC)\u003c\/li\u003e\n\u003cli\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: The PH-80 meter is factory calibration to pH 7.0.\u003c\/li\u003e\n\u003cli\u003eIncludes a translucent cap, batteries, storage solution and pH 7.0 buffer (powder)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003epH Range: 0 – 14\u003c\/li\u003e\n\u003cli\u003eTemperature Range: 1-55 °C; 32-130 °F\u003c\/li\u003e\n\u003cli\u003eResolution: 0.1 pH; Temperature resolution is 0.1 °C\/F\u003c\/li\u003e\n\u003cli\u003eAccuracy: +\/- 0.2 pH; Temperature accuracy is +\/-2%\u003c\/li\u003e\n\u003cli\u003eCalibration: Digital automatic calibration (one point)\u003c\/li\u003e\n\u003cli\u003eMinimum EC\/TDS: 10 µS\/5 ppm\u003c\/li\u003e\n\u003cli\u003eElectrode: Glass sensor and reference tube electrodes\u003c\/li\u003e\n\u003cli\u003ePower source: 3 x 1.5V button cell batteries (model LR44 or equivalent; included)\u003c\/li\u003e\n\u003cli\u003eDimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches)\u003c\/li\u003e\n\u003cli\u003eWeight: 53.9 g (1.9 oz)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":29394593284183,"sku":"500241","price":39.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/PH-80-180905-Silicon-cap-front-view-color-1.png?v=1598283086"},{"product_id":"hm-digital-qc-1-quick-check-tds-conductivity-push-to-test-monitor-with-set-points-3-accuracy","title":"HM Digital QC-1 Quick Check TDS\/Conductivity Push-To-Test Monitor with Set Points, +\/- 3% Accuracy","description":"\u003cp\u003e\u003cstrong\u003eQC-1: Quick Check TDS\/Conductivity Monitor\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis basic EC\/TDS monitor provides an entry level monitor with its “Push-to-Check” button giving you an instant water quality check! With the push of a button, the unit displays a green or red light, indicating good water quality or service required, respectively.\u003c\/p\u003e\n\u003cp\u003eFEATURES\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEight programmable set points (by dip switch).\u003c\/li\u003e\n\u003cli\u003eBright LED lights\u003c\/li\u003e\n\u003cli\u003eSimple to use – Quick Easy Installation\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated to 100 ppm NaCl. Re-calibration is unnecessary.\u003c\/li\u003e\n\u003cli\u003eComes equipped with one 1\/4 inch T-fitting (also available in 3\/8″ or 1\/2″)\u003c\/li\u003e\n\u003cli\u003eExcellent Reverse Osmosis (RO) or Deionization (DI) monitor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTDS\/EC Range: 0-5000 ppm (10,000 µS)\u003c\/li\u003e\n\u003cli\u003eMax. Set Point: 50 ppm (100 µS)\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±3%\u003c\/li\u003e\n\u003cli\u003eATC: No\u003c\/li\u003e\n\u003cli\u003eCable Length: 24.5″ (including sensor)\u003c\/li\u003e\n\u003cli\u003eFittings: 1\/4″\u003c\/li\u003e\n\u003cli\u003ePower source: 4 x 1.5V button cell batteries (389-A) (included)\u003c\/li\u003e\n\u003cli\u003eBattery life: Approx. one year\u003c\/li\u003e\n\u003cli\u003eSize: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.)\u003c\/li\u003e\n\u003cli\u003eWeight: 39.7 g (1.4 oz.) not including sensor\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":29394921914455,"sku":"500271","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/qc1-main-600x429.png?v=1616948433"},{"product_id":"hm-digital-sm-1-inline-tds-monitor-water-quality","title":"HM Digital SM-1 In-Line TDS Monitor - Digital Water Quality Tester 0-9990 ppm","description":"\u003cp\u003e\u003cstrong\u003eSM-1: In-line Single TDS Monitor\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SM-1 is provides an easy to read single line TDS monitor that provides a digital readout. It is ideal for any water filtration system, including reverse osmosis systems, coolers and much more.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDisplays TDS level of a single water line\u003c\/li\u003e\n\u003cli\u003eEfficient and accurate\u003c\/li\u003e\n\u003cli\u003eAuto-Off function conserves battery power. (Shuts off automatically after 10 minutes of non-use)\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.\u003c\/li\u003e\n\u003cli\u003eComes equipped with one 1\/4 inch T-fitting (also available in 3\/8″ or 1\/2″).\u003c\/li\u003e\n\u003cli\u003eAlso available without T-fitting (Model Name: SM-1WOF)\u003c\/li\u003e\n\u003cli\u003eInstalls quickly and easily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0-9990 ppm: (0 – 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking ‘x10’ image.)\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±2%\u003c\/li\u003e\n\u003cli\u003eConversion Factor: NaCl (avg. 0.5)\u003c\/li\u003e\n\u003cli\u003eCable Length: 24.5″ (including sensor)\u003c\/li\u003e\n\u003cli\u003eFittings: 1\/4″ standard, also available with 3\/8″ or 1\/2″\u003c\/li\u003e\n\u003cli\u003ePower source: 2 x 1.5V button cell batteries (LR44 or equivalent; included)\u003c\/li\u003e\n\u003cli\u003eBattery life: approx. 1000 hours of continuous use\u003c\/li\u003e\n\u003cli\u003eSize: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.)\u003c\/li\u003e\n\u003cli\u003eWeight: 79.4 g (2.8 oz.)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":29394945146967,"sku":"21262","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/sm1-main-600x429_5a4356bc-7586-43b4-9d93-55c7e32c4e11.png?v=1563104895"},{"product_id":"hm-digital-trm-1-triple-inline-tds-monitor-3-point","title":"HM Digital TRM-1 Triple Inline TDS Monitor - 3-Point Water Quality Tester 0-9990 ppm","description":"\u003cp\u003e\u003cstrong\u003eTRM-1: Triple In-Line TDS Monitor\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe TRM-1 is a unique monitor offering the user 3 points of contact during the filtration process. This TDS monitor allows for checking TDS levels at 3 points, such as with DI\/RO (deionization \/ reverse osmosis), or multiple points in an RO system, and more.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDisplays TDS levels of the three sensing points with electrode probes\u003c\/li\u003e\n\u003cli\u003eHighly efficient and accurate due to its advanced microprocessor technology\u003c\/li\u003e\n\u003cli\u003eAuto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use.\u003c\/li\u003e\n\u003cli\u003eDual Range 0-9990 ppm (From 0 – 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking ‘x10’ image.)\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.\u003c\/li\u003e\n\u003cli\u003eComes equipped with three 1\/4 inch T-fittings (also available with 3\/8″ or 1\/2″ T-fittings)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0-9990 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±2%\u003c\/li\u003e\n\u003cli\u003eConversion Factor: NaCl (avg. 0.5)\u003c\/li\u003e\n\u003cli\u003eCable Length: 24.5″ (including sensor)\u003c\/li\u003e\n\u003cli\u003eFittings: 1\/4″ standard, also available with 3\/8″ or 1\/2″\u003c\/li\u003e\n\u003cli\u003ePower source: 2 x 1.5V button cell batteries (LR44 or equivalent; included)\u003c\/li\u003e\n\u003cli\u003eBattery life: approx. 1000 hours of continuous use\u003c\/li\u003e\n\u003cli\u003eSize: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.)\u003c\/li\u003e\n\u003cli\u003eWeight: 79.4 g (2.8 oz.)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":29394972770391,"sku":"500321","price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/s-l960.webp?v=1719185320"},{"product_id":"hm-digital-tds-ez-water-quality-tds-tester-0-9990-ppm-measurement-range-1-ppm","title":"HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 ppm Measurement Range , 1 ppm","description":"\u003cp id=\"teaser\"\u003eIdeal for all basic water testing applications. The best value meter in the world!\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEconomy model that is ideal for end-users.\u003c\/li\u003e\n\u003cli\u003eHighly efficient and accurate due to its advanced microprocessor technology.\u003c\/li\u003e\n\u003cli\u003eHold Function: saves measurements for convenient reading and recording.\u003c\/li\u003e\n\u003cli\u003eAuto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.\u003c\/li\u003e\n\u003cli\u003eMeasurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image.\u003c\/li\u003e\n\u003cli\u003eDisplay: large and easy-to-read LCD screen.\u003c\/li\u003e\n\u003cli\u003eour meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.\u003c\/li\u003e\n\u003cli\u003eFun, translucent blue housing that's very strong and durable.\u003c\/li\u003e\n\u003cli\u003eIncludes a TDS chart sticker on the back of the meter that explains TDS values.\u003c\/li\u003e\n\u003cli\u003e\u003cimg alt=\"\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HM_TDSEZ_large.jpg?v=1477922736\" style=\"margin-right: auto; margin-left: auto; display: block;\"\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRange:\u003c\/strong\u003e 0 - 9990 ppm (mg\/L)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e 0-999: 1 ppm; 1000-9990: 10 ppm (indicated by a 'x10' icon)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e +\/- 3%\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEC-to-TDS Conversion Factor:\u003c\/strong\u003e NaCl (avg. 0.5)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower source:\u003c\/strong\u003e 2 x 1.5V button cell batteries (included)  (LR44 or equivalent)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBattery life:\u003c\/strong\u003e Approx. 1000 hours of usage\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 15.5 x 3.1 x 2.3cm (6.1 x 1.25 x 1 inches)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMeter weight:\u003c\/strong\u003e 56.7g (2 oz)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight with package:\u003c\/strong\u003e 76.5g (2.7 oz)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"153\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr height=\"20\"\u003e\n\u003ctd width=\"153\" height=\"20\" class=\"xl64\"\u003e\n\u003cstrong\u003eUPC: \u003c\/strong\u003e891144000168\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":29400499093591,"sku":"500151","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/HM_TDSEZ_345f7670-d528-4846-826c-f2937904997d.jpg?v=1563289692"},{"product_id":"hm-digital-tds-3-handheld-tds-meter-c-342-nacl-342ppm-calibration-solution-bundle","title":"HM Digital TDS-3 Handheld TDS Meter + C-342 NaCl 342 ppm Calibration Solution Bundle | ATC | Carrying Case","description":"\u003ch2\u003eHM Digital TDS-3 Handheld TDS Meter + C-342 NaCl Calibration Solution Bundle\u003c\/h2\u003e\n\u003cp\u003eGet everything you need for accurate, calibrated TDS measurement right out of the box. This bundle pairs the trusted \u003cstrong\u003eHM Digital TDS-3 Handheld TDS Meter\u003c\/strong\u003e with the \u003cstrong\u003eHM Digital C-342 NaCl 342 ppm Calibration Solution\u003c\/strong\u003e — giving you a complete, ready-to-use water quality testing kit for water purification, reverse osmosis (RO) verification, hydroponics, aquaculture, colloidal silver, pool \u0026amp; spa testing, and industrial wastewater monitoring.\u003c\/p\u003e\n\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHM Digital TDS-3\u003c\/strong\u003e — Handheld TDS meter with ATC, built-in thermometer, hold function, auto-off, and belt-clip carrying case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHM Digital C-342\u003c\/strong\u003e — NaCl 342 ppm TDS\/EC calibration solution in a lightweight HDPE bottle with foam-lined seal\u003c\/li\u003e\n\u003cli\u003e2 × 1.5V LR44 button cell batteries (included in meter)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTDS-3 Meter – Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Measurement Range: 0–9990 ppm\u003c\/strong\u003e — 0–999 ppm at 1 ppm resolution; 1000–9990 ppm at 10 ppm resolution (blinking ‘x10’ icon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Digital Thermometer\u003c\/strong\u003e — Simultaneous temperature measurement from 0–80°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Compensation (ATC)\u003c\/strong\u003e — Accurate readings from 1–50°C (33–122°F) regardless of sample temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold Function\u003c\/strong\u003e — Freezes measurement on screen for convenient reading and recording\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Off\u003c\/strong\u003e — Shuts off after 10 minutes of non-use to conserve battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1000-Hour Battery Life\u003c\/strong\u003e — 2 × 1.5V LR44 batteries included; exceptional runtime for field and commercial use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Calibrated\u003c\/strong\u003e — Pre-calibrated with 342 ppm NaCl; recalibration available via mini-screwdriver trimmer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Carrying Case with Belt Clip\u003c\/strong\u003e — Black vinyl case protects the meter in toolboxes and field environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge, Easy-to-Read LCD Display\u003c\/strong\u003e — Clear readout in any lighting condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eC-342 Calibration Solution – Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e342 ppm NaCl Calibration Standard\u003c\/strong\u003e — Matches the factory calibration point of the TDS-3 for precise recalibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight HDPE Plastic Bottle\u003c\/strong\u003e — Durable, chemical-resistant packaging for lab and field use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFoam-Lined Sealed Cap\u003c\/strong\u003e — Prevents evaporation and contamination between uses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for Periodic Recalibration\u003c\/strong\u003e — Recommended when testing TDS or conductivity across wide or varying ranges\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications – TDS-3 Meter\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTDS Range:\u003c\/strong\u003e 0 – 9990 ppm (mg\/L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 0–999 ppm: 1 ppm | 1000–9990 ppm: 10 ppm (‘x10’ icon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±2%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC-to-TDS Conversion Factor:\u003c\/strong\u003e NaCl (avg. 0.5)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e 0 – 80°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Resolution:\u003c\/strong\u003e 0.1°C (Celsius only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATC Range:\u003c\/strong\u003e 1 – 50°C (33 – 122°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 2 × 1.5V LR44 button cell batteries (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Life:\u003c\/strong\u003e ~1,000 hours continuous use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 15.5 × 3.1 × 2.3 cm (6.1 × 1.25 × 1 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (with case):\u003c\/strong\u003e 76.5 g (2.7 oz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 500172\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 and performance monitoring\u003c\/li\u003e\n\u003cli\u003eDrinking water \u0026amp; tap water purity testing\u003c\/li\u003e\n\u003cli\u003eHydroponics nutrient solution TDS monitoring\u003c\/li\u003e\n\u003cli\u003eAquaculture \u0026amp; aquarium water quality management\u003c\/li\u003e\n\u003cli\u003eColloidal silver concentration measurement\u003c\/li\u003e\n\u003cli\u003eSwimming pool \u0026amp; spa water chemistry\u003c\/li\u003e\n\u003cli\u003eIndustrial wastewater regulation and environmental testing\u003c\/li\u003e\n\u003cli\u003eWater conditioning \u0026amp; softener performance testing\u003c\/li\u003e\n\u003cli\u003eCommercial and field water quality inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy This Bundle?\u003c\/h2\u003e\n\u003cp\u003eThe C-342 calibration solution matches the exact 342 ppm NaCl factory calibration point of the TDS-3, making this bundle the ideal choice for users who want to maintain peak accuracy over time — especially when testing across wide TDS ranges or in demanding commercial and field environments. Buy the bundle and calibrate with confidence from day one.\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":29462592225367,"sku":"500172","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/tds-3_C342.png?v=1577684455"},{"product_id":"hm-digital-com-360-ph-ec-tds-temp-meter","title":"HM Digital COM-360 Professional pH\/EC\/TDS\/Temp Meter – 4-in-1 Water Quality Tester","description":"\u003ch2\u003eHM Digital COM-360 Professional 4-in-1 pH\/EC\/TDS\/Temp Meter\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHM Digital COM-360\u003c\/strong\u003e is a professional-grade, multi-parameter water quality meter that measures pH, Electrical Conductivity (EC), Total Dissolved Solids (TDS), and Temperature — all in one rugged, water-resistant handheld device. 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This professional-grade digital meter measures salinity in multiple units (Specific Gravity, PPT, PSU) plus temperature, providing accurate, reliable readings to ensure the health and vitality of your fish, corals, and invertebrates.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Unit Display:\u003c\/strong\u003e Measures salinity in Specific Gravity (SG), Parts Per Thousand (PPT), and Practical Salinity Units (PSU) for maximum flexibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Temperature Sensor:\u003c\/strong\u003e Simultaneous temperature measurement with automatic temperature compensation (ATC) for accurate salinity readings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Precision:\u003c\/strong\u003e Accurate salinity measurement ensures optimal conditions for marine life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge LCD Display:\u003c\/strong\u003e Easy-to-read screen shows salinity and temperature simultaneously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Design:\u003c\/strong\u003e Durable construction withstands splashes and wet environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Off Function:\u003c\/strong\u003e Conserves battery life with automatic shutoff after 10 minutes of non-use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration Function:\u003c\/strong\u003e Simple calibration ensures long-term accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable \u0026amp; Convenient:\u003c\/strong\u003e Compact design perfect for testing aquariums, mixing stations, and water changes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Salinity Monitoring is Critical\u003c\/h3\u003e\u003cp\u003eSalinity is one of the most important parameters in saltwater aquariums. Maintaining stable salinity levels is essential for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFish Health:\u003c\/strong\u003e Prevents osmotic stress, disease susceptibility, and mortality in marine fish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoral Growth:\u003c\/strong\u003e Ensures optimal conditions for SPS, LPS, and soft coral calcification and coloration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInvertebrate Survival:\u003c\/strong\u003e Shrimp, anemones, clams, and other invertebrates are extremely sensitive to salinity fluctuations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Stability:\u003c\/strong\u003e Consistent salinity prevents stress-related issues and maintains biological balance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Changes:\u003c\/strong\u003e Verify new saltwater mix matches your display tank before adding\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSaltwater \u0026amp; Reef Aquariums:\u003c\/strong\u003e Monitor salinity levels in FOWLR (Fish Only With Live Rock) and reef tanks to maintain optimal conditions. Most marine systems target 1.025-1.026 SG (35 PPT) for fish and corals.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMixing Stations:\u003c\/strong\u003e Verify salinity when preparing new saltwater for water changes, ensuring perfect match to your display tank.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMarine Aquaculture:\u003c\/strong\u003e Maintain precise salinity in breeding systems, quarantine tanks, and commercial marine fish operations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrackish Water Systems:\u003c\/strong\u003e Measure salinity for brackish species like puffers, scats, and monos that require specific salinity ranges.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNatural \u0026amp; Artificial Seawater:\u003c\/strong\u003e Test salinity in collected seawater or verify synthetic salt mix concentration.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: SAL-1700\u003c\/li\u003e\n\u003cli\u003eSalinity Range: 0-70 PPT \/ 0-70 PSU \/ 1.000-1.070 SG\u003c\/li\u003e\n\u003cli\u003eSalinity Resolution: 1 PPT \/ 1 PSU \/ 0.001 SG\u003c\/li\u003e\n\u003cli\u003eSalinity Accuracy: ±2% Full Scale\u003c\/li\u003e\n\u003cli\u003eTemperature Range: 0-60°C (32-140°F)\u003c\/li\u003e\n\u003cli\u003eTemperature Resolution: 0.1°C \/ 0.1°F\u003c\/li\u003e\n\u003cli\u003eTemperature Accuracy: ±1°C \/ ±2°F\u003c\/li\u003e\n\u003cli\u003eATC: Automatic Temperature Compensation\u003c\/li\u003e\n\u003cli\u003eDisplay: Large dual-line LCD\u003c\/li\u003e\n\u003cli\u003eAuto-Off: After 10 minutes\u003c\/li\u003e\n\u003cli\u003eCalibration: User calibration function\u003c\/li\u003e\n\u003cli\u003ePower: 2 x LR44 button cell batteries (included)\u003c\/li\u003e\n\u003cli\u003eDimensions: Compact handheld design\u003c\/li\u003e\n\u003cli\u003eWeight: 5.7 oz\u003c\/li\u003e\n\u003cli\u003eWaterproof: Splash-resistant design\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: Korea\u003c\/li\u003e\n\u003cli\u003eBarcode: 617629781809\u003c\/li\u003e\n\u003cli\u003eSKU: 50043\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eTurn on the SAL-1700 meter\u003c\/li\u003e\n\u003cli\u003eRinse the probe with fresh water and dry\u003c\/li\u003e\n\u003cli\u003eImmerse the probe in your aquarium water or saltwater sample\u003c\/li\u003e\n\u003cli\u003eWait for reading to stabilize (approximately 30 seconds)\u003c\/li\u003e\n\u003cli\u003eRead salinity (SG\/PPT\/PSU) and temperature on the LCD display\u003c\/li\u003e\n\u003cli\u003eRinse probe with fresh water after each use\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003e\u003cstrong\u003eCalibration:\u003c\/strong\u003e Calibrate periodically using standard calibration solution for continued accuracy.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cp\u003eHM Digital SAL-1700 salinity meter, protective cap, 2 x LR44 batteries, and instruction manual.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMade in Korea\u003c\/strong\u003e by HM Digital, a trusted manufacturer of professional water testing equipment for aquarium, hydroponics, and water quality applications.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eMaintain perfect salinity and protect your marine investment with the HM Digital SAL-1700. Accurate, reliable, and easy to use—it's an essential tool for every saltwater aquarist.\u003c\/em\u003e\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32325310578775,"sku":"50043","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/SAL-1700.jpg?v=1736622001"},{"product_id":"com-300-waterproof-professional-series-ph-ec-tds-temp-meter","title":"COM-300 Waterproof Professional Series pH\/EC\/TDS\/Temp Meter-HM Digital","description":"\u003cp\u003eThe COM-300 is a professional grade level pH\/EC\/TDS\/Temp meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs \u0026amp; scientific testing, pools \u0026amp; spas, ecology testing, boilers \u0026amp; cooling towers, water treatment and more.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and Temperature\u003c\/li\u003e\n\u003cli\u003eFive scales: pH, µS, mS, ppm 0.5 (NaCl) Scale \u0026amp; 0.7 (442™) Scale\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC) using three temperature coefficients\u003c\/li\u003e\n\u003cli\u003eWaterproof housing (IP-67 rating)\u003c\/li\u003e\n\u003cli\u003eDigital Calibration (push button) to any point within the meter’s range\u003c\/li\u003e\n\u003cli\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/li\u003e\n\u003cli\u003eDisplay: large and easy-to-read LCD screen includes simultaneous temperature reading\u003c\/li\u003e\n\u003cli\u003eReplaceable Sensor (model SP-CP)\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated (pH\/EC\/TDS)\u003c\/li\u003e\n\u003cli\u003eIncludes translucent cap, 2 (AAA) alkaline batteries, pH 4 \u0026amp; 7 calibration solutions, pH storage solution and lanyard\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003epH Range: 0 – 14 pH\u003c\/li\u003e\n\u003cli\u003eEC Range: 0 – 9990 µS; 0 – 9.99 mS\u003c\/li\u003e\n\u003cli\u003eTDS Range: 0 – 8560 ppm (0.7 Scale); 0 – 5000 ppm (0.5 Scale)\u003c\/li\u003e\n\u003cli\u003eTemperature Range: 0-55 °C; 32-130°F\u003c\/li\u003e\n\u003cli\u003eResolution: 0-99: 0.1 µS\/ppm\/ 0.01mS ; 100-999: 1 µS\/ppm; 1000-9990: 10 µS\/ppm. Temp. resolution is 0.1 °C\/F\u003c\/li\u003e\n\u003cli\u003eAccuracy: +\/- 2%\u003c\/li\u003e\n\u003cli\u003eEC to TDS Conversion Factor: Non-linear conversions for KCl, 442TM or NaCl solutions, selected by the user.\u003c\/li\u003e\n\u003cli\u003eProbe: Detachable platinum electrodes \u0026amp; pH glass sensor with reference tube electrodes\u003c\/li\u003e\n\u003cli\u003eHousing: IP-67 Waterproof (submersible; floats)\u003c\/li\u003e\n\u003cli\u003ePower source: 2 x Triple A (AAA) included\u003c\/li\u003e\n\u003cli\u003eDimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)\u003c\/li\u003e\n\u003cli\u003eWeight: 101.5g (3.6 oz)\u003c\/li\u003e\n\u003cli\u003e442 is a registered trademark of the Myron L Company.\u003c\/li\u003e\n\u003cli\u003e\u003cimg style=\"margin-right: auto; margin-left: auto; display: block;\" alt=\"\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/COM-300_large.png?v=1505489611\"\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/200707-COM-300-PRODUCT-PAGE.png?v=1652376182\" style=\"float: left;\"\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":31303331840087,"sku":"50005A","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/COM300.jpg?v=1652378983"},{"product_id":"com-100-ph-200-ph-stor-ph-buf-c342-ppm-combo-hm-digital-ph-tds-ec-meter","title":"COM-100 + PH-200 + PH-STOR + C342 PPM COMBO HM Digital PH\/TDS\/EC Meter","description":"\u003ch1 class=\"product_title entry-title\" itemprop=\"name\"\u003eCOM-100\u003c\/h1\u003e\n\u003cdiv itemtype=\"http:\/\/schema.org\/Offer\" itemscope=\"\" itemprop=\"offers\"\u003e\n\u003cp class=\"price\"\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp itemprop=\"description\"\u003e\u003cstrong\u003eCOM-100: Waterproof Professional Series EC\/TDS Meter\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp itemprop=\"description\"\u003eThe COM-100 is a professional grade level EC\/TDS\/Temp meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs \u0026amp; scientific testing, pools \u0026amp; spas, ecology testing, boilers \u0026amp; cooling towers, water treatment and more.\u003c\/p\u003e\n\u003cp itemprop=\"description\"\u003eFEATURES:\u003c\/p\u003e\n\u003cdiv itemprop=\"description\"\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures electrical conductivity (EC), total dissolved solids (TDS), salinity and temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPGRADED:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFour scales: µS, mS,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eppm 0.5 (NaCl) Scale \u0026amp; 0.7 (442™) Scale\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC) using three temperature coefficients\u003c\/li\u003e\n\u003cli\u003eWaterproof housing (IP-67 rating)\u003c\/li\u003e\n\u003cli\u003eDigital Calibration (push button) to any point within the meter’s range\u003c\/li\u003e\n\u003cli\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/li\u003e\n\u003cli\u003eDisplay: large and easy-to-read LCD screen includes simultaneous temperature reading.\u003c\/li\u003e\n\u003cli\u003eReplaceable Sensor (model SP-C1)\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: The COM-100 meter is calibrated with a 1413 µS solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPGRADED\u003c\/strong\u003e: Includes translucent cap,\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e2 (AAA) batteries\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand lanyard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEC Range: 0 – 9990 µS; 0 – 9.99 mS\u003c\/li\u003e\n\u003cli\u003eTDS Range: 0 – 8560 ppm (0.7 Scale); 0 – 8.56 ppt (0.7 Scale)\u003c\/li\u003e\n\u003cli\u003e0 – 5000 ppm (0.5 Scale); 0-5.00 ppt (0.5 Scale)\u003c\/li\u003e\n\u003cli\u003eTemperature Range: 0-55 °C; 32-130°F\u003c\/li\u003e\n\u003cli\u003eResolution: 0-99: 0.1 µS\/ppm\/ 0.01mS\/ppt; 100-999: 1 µS\/ppm; 1000-9990: 10 µS\/ppm. Temp. resolution is 0.1 °C\/F\u003c\/li\u003e\n\u003cli\u003eAccuracy: +\/- 2%\u003c\/li\u003e\n\u003cli\u003eEC to TDS Conversion Factor: Non-linear conversions for KCl, 442TM or NaCl solutions, selected by the user.\u003c\/li\u003e\n\u003cli\u003eProbe: Detachable platinum electrodes\u003c\/li\u003e\n\u003cli\u003eHousing: IP-67 Waterproof (submersible; floats)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPGRADED:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePower source:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2 x Triple A (AAA)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eincluded\u003c\/li\u003e\n\u003cli\u003eDimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)\u003c\/li\u003e\n\u003cli\u003eWeight: 127g (4.5 oz)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 class=\"product_title entry-title\" itemprop=\"name\"\u003ePH-200\u003c\/h1\u003e\n\u003cdiv itemtype=\"http:\/\/schema.org\/Offer\" itemscope=\"\" itemprop=\"offers\"\u003e\n\u003cp class=\"price\"\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp itemprop=\"description\"\u003e\u003cstrong\u003ePH-200: Waterproof Professional Series pH\/Temp Meter\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp itemprop=\"description\"\u003eThe PH-200 is a professional grade pH\/Temp meter ideal for all pH testing water. With its advanced microprocessor it provides highly accurate dependable readings in such applications as hydroponics, purification applications, wastewater regulation, aquaculture, colloidal silver, labs \u0026amp; scientific testing, pools \u0026amp; spas, ecology testing, boilers \u0026amp; cooling towers, water treatment, wine, coffee, and agriculture.\u003c\/p\u003e\n\u003cp itemprop=\"description\"\u003eFEATURES:\u003c\/p\u003e\n\u003cdiv itemprop=\"description\"\u003e\n\u003cul\u003e\n\u003cli\u003eWaterproof housing (IP-67 rating)\u003c\/li\u003e\n\u003cli\u003eDigital automatic calibration (one point), with digital fine tuning\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC)\u003c\/li\u003e\n\u003cli\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/li\u003e\n\u003cli\u003eEasy-to-read LCD screen with simultaneous temperature display\u003c\/li\u003e\n\u003cli\u003eReplaceable Sensor (model SP-P2)\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: The PH-200 meter is three-point checked and factory calibrated to pH 7.0.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPGRADED\u003c\/strong\u003e: Includes a translucent cap,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2 Triple A (AAA) batteries\u003c\/strong\u003e, lanyard, and pH 7.0 buffer (sachet)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003epH Range: 0 – 14\u003c\/li\u003e\n\u003cli\u003eTemperature Range: 0-55 °C; 32-130 °F\u003c\/li\u003e\n\u003cli\u003eResolution: 0.01 pH; Temperature resolution is 0.1 °C\/F\u003c\/li\u003e\n\u003cli\u003eAccuracy: +\/- 0.1 pH; Temperature accuracy is +\/-1%\u003c\/li\u003e\n\u003cli\u003eMinimum EC\/TDS: 5 uS\/10 ppm\u003c\/li\u003e\n\u003cli\u003eElectrode: Replaceable glass sensor and reference tube electrodes\u003c\/li\u003e\n\u003cli\u003eHousing: IP-67 Waterproof (submersible; floats)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPGRADED\u003c\/strong\u003e: Power source:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2 x Triple A (AAA)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eincluded\u003c\/li\u003e\n\u003cli\u003eDimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)\u003c\/li\u003e\n\u003cli\u003eWeight: 96.4 g (3.4 oz)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePH-STOR: pH Electrode Storage Solution\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePH storage solution for HM Digital’s PH-200 \/ PH-80 as well as other brands of pH meters. Always make sure your sensor is kept in an electrode storage solution. If dry, refill the pH meter cap with the PH-STOR storage solution. The sponge should be moist (not soaking wet).\u003c\/p\u003e\n\u003cp\u003eFEATURES\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh concentration\u003c\/li\u003e\n\u003cli\u003eExtends probe life\u003c\/li\u003e\n\u003cli\u003eHas fungicide to keep probe clean\u003c\/li\u003e\n\u003cli\u003eConvenient size\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTotal volume: 60 cc\u003c\/li\u003e\n\u003cli\u003eContents: Specially formulated KCl solution for pH and electrodes (sensors)\u003c\/li\u003e\n\u003cli\u003eBottle: Combination twist off and eyedropper style cap\u003c\/li\u003e\n\u003cli\u003eMade in Korea\u003c\/li\u003e\n\u003cli\u003eUPC: 891144000113\u003c\/li\u003e\n\u003cli\u003eNOT FOR CALIBRATION. To calibrate your pH meter, use a pH buffer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-widget_type=\"stad_for_elementor_heading.default\" data-element_type=\"widget\" data-id=\"61517f2e\" class=\"elementor-element elementor-element-61517f2e elementor-widget elementor-widget-stad_for_elementor_heading\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch2 data-lineheight=\"48px\" data-fontsize=\"40\" class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\"\u003eC-342: TDS and EC Calibration Solutions\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-widget_type=\"text-editor.default\" data-element_type=\"widget\" data-id=\"7c50be16\" class=\"elementor-element elementor-element-7c50be16 elementor-widget elementor-widget-text-editor\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cp\u003eFor optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-widget_type=\"stad_for_elementor_heading.default\" data-element_type=\"widget\" data-id=\"7a8b99ba\" class=\"elementor-element elementor-element-7a8b99ba elementor-widget elementor-widget-stad_for_elementor_heading\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3 data-lineheight=\"41.6px\" data-fontsize=\"32\" class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\"\u003eFEATURES\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-widget_type=\"stad_for_elementor_classic_list.default\" data-element_type=\"widget\" data-id=\"31ed1187\" class=\"elementor-element elementor-element-31ed1187 elementor-widget elementor-widget-stad_for_elementor_classic_list\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"stad-classic-list-container stad-flex\"\u003e\n\u003cul class=\"stad-classic-list stad-list stad-classic-block-list\"\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-2b88e3c\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003e342 ppm NaCl calibration solution\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-4f215e1\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eComes in lightweight HDPE plastic bottles\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-18a6315\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eSealed with a  tamper-evident closure\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32282079789143,"sku":"2025A1","price":146.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/PH-200COMBO.png?v=1692050532"},{"product_id":"hm-digital-com-80-ph-80-meter-combo-ph-tds-ec-ppm-pocket-tester","title":"HM Digital COM-80 + PH-80 Meter COMBO PH TDS EC PPM Pocket Tester","description":"\u003cp\u003e\u003cspan\u003ePH-80: pH HydroTester Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe PH-80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such applications as hydroponics \u0026amp; gardening, pools \u0026amp; spas, aquariums \u0026amp; reef tanks, water ionizers, drinking water and more.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures pH and Temperature\u003c\/li\u003e\n\u003cli\u003eOne-touch automatic digital calibration\u003c\/li\u003e\n\u003cli\u003eWater resistant\u003c\/li\u003e\n\u003cli\u003eSimultaneous temperature display\u003c\/li\u003e\n\u003cli\u003eLarge LCD display\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC)\u003c\/li\u003e\n\u003cli\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: The PH-80 meter is factory calibration to pH 7.0.\u003c\/li\u003e\n\u003cli\u003eIncludes a translucent cap, batteries, storage solution and pH 7.0 buffer (powder)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eCOM-80: EC\/TDS HydroTester Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe COM-80 is easily the most advanced economically priced, reliable EC\/TDS meter on the market. With its versatility and durability, it is ideal for testing applications such as hydroponics \u0026amp; gardening, pools \u0026amp; spas, aquariums \u0026amp; reef tanks, water ionizers, drinking water and more.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures electrical conductivity (EC), total dissolved solids (TDS). Excellent for nutrient testing\u003c\/li\u003e\n\u003cli\u003eFour scales: EC: µS, mS; TDS: ppm, 0.5 (NaCl) \u0026amp; 0.7 (442™)\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC)\u003c\/li\u003e\n\u003cli\u003eWater resistant\u003c\/li\u003e\n\u003cli\u003eDigital Calibration (push button) to any point within the meter’s range\u003c\/li\u003e\n\u003cli\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/li\u003e\n\u003cli\u003eDisplay: large and easy-to-read LCD screen includes simultaneous temperature reading.\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: The COM-80 meter is calibrated with a 1413 µS solution.\u003c\/li\u003e\n\u003cli\u003eIncludes a protective cap and batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32282089783383,"sku":"50006A1","price":79.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/Ph-80-2.png?v=1596303204"},{"product_id":"hm-digital-com-80-ph-80-ph-stor-ph-buf-c342-combo-ph-tds-ec-ppm-meter","title":"HM Digital COM-80 + PH-80 + PH-STOR + C342 COMBO - PH\/TDS\/EC\/PPM Meter","description":"\u003cp\u003eHM Digital COM-80 TDS\/EC meter + PH-80 pH meter + PH-STOR storage solution + C342 ppm TDS\/EC solution Meter\/Solution COMBO\u003c\/p\u003e\n\u003ch1 class=\"product_title entry-title\" itemprop=\"name\"\u003eCOM-80\u003c\/h1\u003e\n\u003cdiv itemprop=\"offers\" itemscope=\"\" itemtype=\"http:\/\/schema.org\/Offer\"\u003e\n\u003cp class=\"price\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp itemprop=\"description\"\u003e\u003cstrong\u003eCOM-80: EC\/TDS HydroTester Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp itemprop=\"description\"\u003eThe COM-80 is easily the most advanced economically priced, reliable EC\/TDS meter on the market. With its versatility and durability, it is ideal for testing applications such as hydroponics \u0026amp; gardening, pools \u0026amp; spas, aquariums \u0026amp; reef tanks, water ionizers, drinking water and more.\u003c\/p\u003e\n\u003cp itemprop=\"description\"\u003eFEATURES:\u003c\/p\u003e\n\u003cdiv itemprop=\"description\"\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures electrical conductivity (EC), total dissolved solids (TDS). Excellent for nutrient testing\u003c\/li\u003e\n\u003cli\u003eFour scales: EC: µS, mS; TDS: ppm, 0.5 (NaCl) \u0026amp; 0.7 (442™)\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC)\u003c\/li\u003e\n\u003cli\u003eWater resistant\u003c\/li\u003e\n\u003cli\u003eDigital Calibration (push button) to any point within the meter’s range\u003c\/li\u003e\n\u003cli\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/li\u003e\n\u003cli\u003eDisplay: large and easy-to-read LCD screen includes simultaneous temperature reading.\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: The COM-80 meter is calibrated with a 1413 µS solution.\u003c\/li\u003e\n\u003cli\u003eIncludes a protective cap and batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEC Range: 0 – 9990 µS; 0 – 9.9 mS\u003c\/li\u003e\n\u003cli\u003eTDS Range: 0 – 5000 ppm (0.5 Scale) ; 0-8560 ppm (0.7 Scale)\u003c\/li\u003e\n\u003cli\u003eTemperature Range: 1-80 °C; 33-176 °F\u003c\/li\u003e\n\u003cli\u003eResolution: 1 µS\/ppm; 0.1 mS\u003c\/li\u003e\n\u003cli\u003eTemp. Resolution: 0.1 °C\/F\u003c\/li\u003e\n\u003cli\u003eAccuracy: +\/- 2%\u003c\/li\u003e\n\u003cli\u003ePower source: 3 x 1.5V button cell batteries (LR44 or equivalent is included)\u003c\/li\u003e\n\u003cli\u003eDimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches)\u003c\/li\u003e\n\u003cli\u003eWeight: 53.9g (1.9 oz)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 class=\"product_title entry-title\" itemprop=\"name\"\u003ePH-80\u003c\/h1\u003e\n\u003cdiv itemprop=\"offers\" itemscope=\"\" itemtype=\"http:\/\/schema.org\/Offer\"\u003e\n\u003cp class=\"price\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv itemprop=\"description\"\u003e\n\u003cp\u003e\u003cstrong\u003ePH-80: pH HydroTester Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe PH-80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such applications as hydroponics \u0026amp; gardening, pools \u0026amp; spas, aquariums \u0026amp; reef tanks, water ionizers, drinking water and more.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures pH and Temperature\u003c\/li\u003e\n\u003cli\u003eOne-touch automatic digital calibration\u003c\/li\u003e\n\u003cli\u003eWater resistant\u003c\/li\u003e\n\u003cli\u003eSimultaneous temperature display\u003c\/li\u003e\n\u003cli\u003eLarge LCD display\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC)\u003c\/li\u003e\n\u003cli\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: The PH-80 meter is factory calibration to pH 7.0.\u003c\/li\u003e\n\u003cli\u003eIncludes a translucent cap, batteries, storage solution and pH 7.0 buffer (powder)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003epH Range: 0 – 14\u003c\/li\u003e\n\u003cli\u003eTemperature Range: 1-55 °C; 32-130 °F\u003c\/li\u003e\n\u003cli\u003eResolution: 0.1 pH; Temperature resolution is 0.1 °C\/F\u003c\/li\u003e\n\u003cli\u003eAccuracy: +\/- 0.2 pH; Temperature accuracy is +\/-2%\u003c\/li\u003e\n\u003cli\u003eCalibration: Digital automatic calibration (one point)\u003c\/li\u003e\n\u003cli\u003eMinimum EC\/TDS: 10 µS\/5 ppm\u003c\/li\u003e\n\u003cli\u003eElectrode: Glass sensor and reference tube electrodes\u003c\/li\u003e\n\u003cli\u003ePower source: 3 x 1.5V button cell batteries (model LR44 or equivalent; included)\u003c\/li\u003e\n\u003cli\u003eDimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches)\u003c\/li\u003e\n\u003cli\u003eWeight: 53.9 g (1.9 oz)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0px 0px 0.93em; color: #0a0707; text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: 'Basic Commercial', sans-serif; font-size: 18px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; box-sizing: border-box; orphans: 2; widows: 2; background-color: #ffffff; overflow-wrap: break-word; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cstrong\u003ePH-STOR: pH Electrode Storage Solution\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 0.93em; color: #0a0707; text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: 'Basic Commercial', sans-serif; font-size: 18px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; box-sizing: border-box; orphans: 2; widows: 2; background-color: #ffffff; overflow-wrap: break-word; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;\"\u003ePH storage solution for HM Digital’s PH-200 \/ PH-80 as well as other brands of pH meters. Always make sure your sensor is kept in an electrode storage solution. If dry, refill the pH meter cap with the PH-STOR storage solution. The sponge should be moist (not soaking wet).\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 0.93em; color: #0a0707; text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: 'Basic Commercial', sans-serif; font-size: 18px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; box-sizing: border-box; orphans: 2; widows: 2; background-color: #ffffff; overflow-wrap: break-word; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;\"\u003eFEATURES\u003c\/p\u003e\n\u003cul style=\"margin: 0px 0px 1em 2em; padding: 0px; color: #0a0707; text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: 'Basic Commercial', sans-serif; font-size: 18px; font-style: normal; font-weight: 400; word-spacing: 0px; list-style-type: disc; white-space: normal; box-sizing: border-box; orphans: 2; widows: 2; background-color: #ffffff; overflow-wrap: break-word; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\n\u003cli\u003eHigh concentration\u003c\/li\u003e\n\u003cli\u003eExtends probe life\u003c\/li\u003e\n\u003cli\u003eHas fungicide to keep probe clean\u003c\/li\u003e\n\u003cli\u003eConvenient size\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"margin: 0px 0px 0.5em; color: #000000; text-transform: none; line-height: 1.4; text-indent: 0px; letter-spacing: normal; font-family: 'Basic Commercial', sans-serif; font-size: 1.75em; font-style: normal; font-weight: 400; word-spacing: 0px; display: block; white-space: normal; box-sizing: border-box; orphans: 2; widows: 2; background-color: #ffffff; overflow-wrap: break-word; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;\"\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul style=\"margin: 0px 0px 1em 2em; padding: 0px; color: #0a0707; text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: 'Basic Commercial', sans-serif; font-size: 18px; font-style: normal; font-weight: 400; word-spacing: 0px; list-style-type: disc; white-space: normal; box-sizing: border-box; orphans: 2; widows: 2; background-color: #ffffff; overflow-wrap: break-word; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\n\u003cli\u003eTotal volume: 60 cc\u003c\/li\u003e\n\u003cli\u003eContents: Specially formulated KCl solution for pH and electrodes (sensors)\u003c\/li\u003e\n\u003cli\u003eBottle: Combination twist off and eyedropper style cap\u003c\/li\u003e\n\u003cli\u003eMade in Korea\u003c\/li\u003e\n\u003cli\u003eUPC: 891144000113\u003c\/li\u003e\n\u003cli\u003eNOT FOR CALIBRATION. To calibrate your pH meter, use a pH buffer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-widget_type=\"stad_for_elementor_heading.default\" data-element_type=\"widget\" data-id=\"61517f2e\" class=\"elementor-element elementor-element-61517f2e elementor-widget elementor-widget-stad_for_elementor_heading\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch2 data-lineheight=\"48px\" data-fontsize=\"40\" class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\"\u003eC-342: TDS and EC Calibration Solutions\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-widget_type=\"text-editor.default\" data-element_type=\"widget\" data-id=\"7c50be16\" class=\"elementor-element elementor-element-7c50be16 elementor-widget elementor-widget-text-editor\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cp\u003eFor optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-widget_type=\"stad_for_elementor_heading.default\" data-element_type=\"widget\" data-id=\"7a8b99ba\" class=\"elementor-element elementor-element-7a8b99ba elementor-widget elementor-widget-stad_for_elementor_heading\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3 data-lineheight=\"41.6px\" data-fontsize=\"32\" class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\"\u003eFEATURES\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-widget_type=\"stad_for_elementor_classic_list.default\" data-element_type=\"widget\" data-id=\"31ed1187\" class=\"elementor-element elementor-element-31ed1187 elementor-widget elementor-widget-stad_for_elementor_classic_list\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"stad-classic-list-container stad-flex\"\u003e\n\u003cul class=\"stad-classic-list stad-list stad-classic-block-list\"\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-2b88e3c\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003e342 ppm NaCl calibration solution\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-4f215e1\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eComes in lightweight HDPE plastic bottles\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-18a6315\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eSealed with a  tamper-evident closure\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32282136608855,"sku":"50006A2","price":108.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/PH-COMBO.png?v=1692048079"},{"product_id":"milwaukee-ph55-waterproof-ph-dual-level-lcd-tester","title":"Milwaukee PH55 PRO Waterproof pH \u0026 Temperature Tester with ATC \u0026 Replaceable Probe","description":"\u003ch2 data-mce-fragment=\"1\"\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee Waterproof pH55 PRO pH\/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 aquariums, hydroponics, horticulture, education, pools, beer and many other applications.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee Waterproof pH55 pH\/temp. 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 pH55 PRO tester is accurate to\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e±\u003c\/span\u003e0.1 pH \u0026amp; +\/-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 pH55 PRO 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 pH55 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 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 data-mce-fragment=\"1\" class=\"single-product-meta-item-value\"\u003e±\u003c\/span\u003e0.1 pH with an extended pH range (-2.0 pH to 16.0 pH).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eResolution to 0.1 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\"\u003eIs fully compensated for temperature (ATC).\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 300 hours of battery life (batteries included).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFully waterproof to IP65.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReplaceable pH electrode Mi56P.\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\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.\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: -2.0 to 16.0 pH\u003c\/li\u003e\n\u003cli\u003eTemperature Range: -5.0 to 60.0°C (23 to 140°F)\u003c\/li\u003e\n\u003cli\u003epH Resolution: 0.1 pH\u003c\/li\u003e\n\u003cli\u003epH Accuracy: ±0.1 pH\u003c\/li\u003e\n\u003cli\u003eTemperature Accuracy: ±0.5°C (±1°F)\u003c\/li\u003e\n\u003cli\u003eTypical EMC Deviation: ±0.1\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 (Mi56P)\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. 300 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":32300466470999,"sku":"PH55","price":77.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/PH55.jpg?v=1736872128"},{"product_id":"milwaukee-c66-waterproof-conductivity-tester-with-replaceable-electrode","title":"Milwaukee C66 Waterproof Conductivity Tester with replaceable electrode","description":"\u003ch2 data-mce-fragment=\"1\"\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee Conductivity Pen is designed for hydroponic and other growers to help you make sure that your plants are receiving the right amount of nutrient. 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 temperature with automatic temperature compensation\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIdeal range for hydroponics (0.00 to 10.00 mS\/cm)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eUnits in mS\/cm 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\"\u003eFully waterproof to IP65\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e250 hours continuous use (3 x 1.5V batteries included)\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 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\"\u003e2.00 mS\/cm = 2000 uS\/cm = 1000 ppm on .50 factor scale\u003cbr 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\u003eRange: 0.00 to 10.00 mS\/cm\u003c\/li\u003e\n\u003cli\u003eResolution: 0.01 mS\/cm\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\u003eTemperature Compensation: Automatic from 5 to 50°C, with ß=2%\/°C\u003c\/li\u003e\n\u003cli\u003eCalibration: Manual, at 1 point through trimmer\u003c\/li\u003e\n\u003cli\u003eProbe: MA73076 (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: 3 x 1.5V (included)\u003c\/li\u003e\n\u003cli\u003eBattery Life: Approx. 250 hours of continuous use\u003c\/li\u003e\n\u003cli\u003eDimensions: 6.5 x 1.2 x 1.2 inches\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":32300525682775,"sku":"C66","price":48.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/C66.jpg?v=1736874699"},{"product_id":"milwaukee-mw804-max-4-in-1-ph-ec-tds-temp-meter-waterproof","title":"Milwaukee MW804 MAX Waterproof 4-in-1 pH\/EC\/TDS\/Temp Meter | Replaceable Probe","description":"\u003ch2\u003eMilwaukee MW804 MAX Waterproof 4-in-1 pH\/EC\/TDS\/Temp Meter\u003c\/h2\u003e\n\u003cp\u003eThe all-in-one solution for serious growers, aquaculture professionals, and water quality technicians. The \u003cstrong\u003eMilwaukee MW804 MAX\u003c\/strong\u003e measures pH, EC, TDS, and temperature simultaneously in a single waterproof instrument — eliminating the need for multiple testers. With \u003cstrong\u003e±0.05 pH accuracy\u003c\/strong\u003e, a replaceable double-junction gel-filled electrode, and full \u003cstrong\u003eIP65 waterproof construction\u003c\/strong\u003e, the MW804 MAX is built for demanding field and lab environments.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e±0.05 pH Accuracy\u003c\/strong\u003e — Automatic 1 or 2-point calibration with 5 memorized calibration points for fast, precise results\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-in-1 Measurement\u003c\/strong\u003e — pH, EC, TDS, and temperature in one compact instrument; no need for multiple testers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP65 Waterproof\u003c\/strong\u003e — Fully sealed against water ingress; safe to use in wet, humid, and field environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable pH Probe (Mi60P)\u003c\/strong\u003e — Double-junction gel-filled electrode for low maintenance, high performance, and extended service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExposed Temperature Probe\u003c\/strong\u003e — Located close to the pH probe for fast, accurate automatic temperature compensation (ATC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Dual-Level LCD\u003c\/strong\u003e — Displays multiple readings simultaneously; stability indicator and hold function freeze the display for easy recording\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight at 3.5 oz\u003c\/strong\u003e — Up to half the weight of comparable testers; easy to handle during extended use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e~100 Hours Battery Life\u003c\/strong\u003e — Auto shut-off and low power demand; batteries included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMeasurement Ranges \u0026amp; Accuracy\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH:\u003c\/strong\u003e 0.00 – 14.00 pH | Accuracy: ±0.05 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC:\u003c\/strong\u003e 0 – 20.00 mS\/cm | Accuracy: ±2% Full Scale\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTDS:\u003c\/strong\u003e 0 – 10.00 ppt | Accuracy: ±2% Full Scale\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 0.0 – 50.0°C \/ 32.0 – 122.0°F | Accuracy: ±0.5°C \/ ±1°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e MW804\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e MW804 MAX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParameters:\u003c\/strong\u003e pH, EC, TDS, Temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Rating:\u003c\/strong\u003e IP65\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e Automatic 1 or 2-point, 5 saved calibration points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrode:\u003c\/strong\u003e Gel-filled, double-junction, replaceable (Mi60P)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e Dual-level LCD with stability indicator and hold function\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.5 oz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Life:\u003c\/strong\u003e ~100 hours continuous use (batteries included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Romania\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Calibration Solutions:\u003c\/strong\u003e PH-START, MA9010, M10010B (pH); MA9060, M10030B (EC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Electrode:\u003c\/strong\u003e Mi60P\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRecommended Accessories\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePH-START \/ MA9010 \/ M10010B\u003c\/strong\u003e — pH calibration buffer solutions (4.01, 7.01, 10.01)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMA9060 \/ M10030B\u003c\/strong\u003e — EC calibration solution (12,880 µS\/cm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePH-Main\u003c\/strong\u003e — pH Maintenance Kit (cleaning + conditioning solution; highly recommended)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMA9015\u003c\/strong\u003e — Electrode storage solution (store probe upright in MA9015 for best results)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMA9016\u003c\/strong\u003e — Electrode cleaning solution (soak 20 minutes for thorough cleaning)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMi60P\u003c\/strong\u003e — Replacement pH electrode\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProbe Care \u0026amp; Maintenance\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eAlways store upright with the cap full of \u003cstrong\u003eMA9015 storage solution\u003c\/strong\u003e for best results.\u003c\/li\u003e\n\u003cli\u003eClean regularly by soaking in \u003cstrong\u003eMA9016 cleaning solution\u003c\/strong\u003e for ~20 minutes.\u003c\/li\u003e\n\u003cli\u003eCalibrate after cleaning or storage before testing to adjust for changes in the pH sensor.\u003c\/li\u003e\n\u003cli\u003eGently stir the tester in the sample for a faster, more stable reading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNever store in distilled (DI) or reverse osmosis (RO) water\u003c\/strong\u003e — this will damage probe sensitivity.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cp\u003eThe MW804 MAX is trusted by \u003cstrong\u003ehydroponics growers, aquaculture and aquaponics operators, pool \u0026amp; spa technicians, water quality labs, environmental monitoring professionals\u003c\/strong\u003e, and aquarium hobbyists who need accurate, simultaneous pH, EC, TDS, and temperature readings in a single rugged instrument.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMilwaukee Instruments: precision water quality measurement tools engineered for professionals who demand accuracy, durability, and ease of use in every environment.\u003c\/em\u003e\u003c\/p\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":32300607864919,"sku":"MW804","price":219.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/MW804Front_WNUMBERS__38188_8cc3077b-ccca-4138-8b62-ecc2d2842d02.jpg?v=1764876352"},{"product_id":"milwaukee-mw102-standard-portable-ph-temperature-meter","title":"Milwaukee MW102 PRO+ 2-in-1 pH and Temperature Meter with ATC","description":"\u003ch1 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eLAB GRADE. HIGH PERFORMANCE. AUTOMATED. TOUGH.\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee MW102 PRO+ pH meter has won fans around the world with its reliable, fast and simple operation as well as its toughness. Accurate to\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan class=\"single-product-meta-item-value\" data-mce-fragment=\"1\"\u003e±\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/span\u003e0.02 pH with automatic temperature compensation. Ideal for use by brewers, wine makers, growers and other users with challenging pH measurement needs.\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eWHAT PEOPLE ARE SAYING\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\"Amazingly accurate, the best meter I have used so far.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\"Very satisfied, very accurate, rugged device that calibrates easily.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\"Rarely needs to be calibrated and gives perfect readings every time.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\"Killer tool, good value.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eSUMMARY\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee PRO+ pH Meter is preferred by people testing samples that cause other pH testers and meters to fail from brewers and wine makers to hydroponic growers and farmers.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee PRO pH meter 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\"\u003ePeople choose the PRO+ pH Meter to improve the accuracy of their pH testing program. With two point calibration, the meter can be quickly calibrated to a higher accuracy compared with one point calibration. The MW102 meter is accuracy to\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan class=\"single-product-meta-item-value\" data-mce-fragment=\"1\"\u003e±\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/span\u003e0.02 pH. 5x more accurate than some alternative meters.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe meter comes with both a pH probe and temperature probe allowing the meter to automatically adjust the pH reading for the effect of temperature.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe temperature probe can also be used as a very accurate thermometer.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eTOUGHNESS\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe rugged meter is built to take knocks.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eLOW MAINTENACE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe PRO+ pH meter comes with the Milwaukee SE220 pH probe. The SE220 is Milwaukee's top selling lab grade electrode for a reason. Designed to be both low maintenance (gel filled) and able to withstand more challenging samples (double junction). The SE220 is ideal for use in beer making, winemaking and hydroponics. \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 accuracy to\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e±\u003c\/span\u003e0.02 pH and extended 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 and wait for the reading to stabilize\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSimple push button, automatic two-point calibration for increased accuracy\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eGel-filled, double junction lab grade pH electrode for low maintenance and high performance with a screw on cap to ensure proper storage\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRugged stainless temperature probe\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e3 feet probe cables for extra flexibility when testing\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAuto shut off and low power demand with approx. 300 hours of continuous use (battery included)\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\"\u003epH meters usually start performing poorly because of problems with the probe. The two parts of the pH probe that cause problems are the glass sensing bulb and the reference junction.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSENSING BULB\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe glass bulb loses sensitivity with use and will eventually fail. This is true of all pH probes.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eREFERENCE JUNCTION\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe reference junction is a small hole that allows the meter to compare the sample to a reference. The reading is generated based on the electrical difference between the sample and reference. If the junction hole gets clogged, the pH electrode will no longer function.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eYou can extend the life of your pH electrode in the following ways.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSTORAGE\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe pH probe needs to be kept hydrated. Long periods of dry storage will damage the sensitivity of the probe. Allowing the probe to dry out may also result in the junction hole getting clogged.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eStoring in pH probe storage solution MA9015 or pH calibration buffers will help address both these issues. Do not store in tap water and DI water. This will damage the sensitivity of the probe.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe best way to store the probe is with the probe's cap filled with storage solution or calibration buffer and the cap tightened to prevent leakage. It is also recommended that to store the electrode upright to further reduce the potential for leakage.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eCLEANING\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eResidue from the sample can impact the sensitivity of the sensing bulb and clog the junction. This is especially true if the sample has a lot of organic material. We recommend regularly soaking your electrode in cleaning solution MA9016.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eCALIBRATION\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe pH sensing bulbs become less sensitive over time so make sure that you are calibrating regularly to keep your PRO Plus pH meter accurate. Also, calibrate after cleaning or a long period of storage.\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 to 70°C\u003c\/li\u003e\n\u003cli\u003epH Accuracy ±0.02 pH\u003c\/li\u003e\n\u003cli\u003epH Resolution: 0.01 pH\u003c\/li\u003e\n\u003cli\u003epH Typical EMC Deviation: ±0.2 pH\u003c\/li\u003e\n\u003cli\u003eTemp Resolution 0.1°C\u003c\/li\u003e\n\u003cli\u003eTemp Accuracy (@25°C): ±0.5°C\u003c\/li\u003e\n\u003cli\u003eTemperature Compensation: Automatic, 0 to 70°C\u003c\/li\u003e\n\u003cli\u003eTemp Typical EMC Deviation: ±0.5°C\u003c\/li\u003e\n\u003cli\u003eCalibration: Automatic, 1 or 2 points\u003c\/li\u003e\n\u003cli\u003epH Electrode: SE220 (included)\u003c\/li\u003e\n\u003cli\u003eTemperature: Probe MA830R (included)\u003c\/li\u003e\n\u003cli\u003eEnvironment: 0 to 50°C \/ 32 to 122°F; max RH 95%\u003c\/li\u003e\n\u003cli\u003eBattery Type: 1 x 9V (included)\u003c\/li\u003e\n\u003cli\u003eBattery Life: Approx. 300 hours of continuous use\u003c\/li\u003e\n\u003cli\u003eAuto-off: After 8 minutes of non-use\u003c\/li\u003e\n\u003cli\u003eApproximate dimensions: 5.7 x 3.1 x 1.6 inches\u003c\/li\u003e\n\u003cli\u003eWeight: 1.1 lbs with battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":32300646465623,"sku":"MW102","price":195.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/Capture.jpg?v=1710874722"},{"product_id":"milwaukee-mw600-pro-dissolved-oxygen-meter","title":"Milwaukee MW600 PRO Dissolved Oxygen Meter | Portable DO Meter","description":"\u003ch2\u003eMilwaukee MW600 PRO Portable Dissolved Oxygen Meter\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMilwaukee MW600 PRO\u003c\/strong\u003e delivers lab-grade dissolved oxygen measurement in a rugged, field-ready portable design. Trusted by aquaculture professionals, wastewater engineers, and environmental scientists worldwide, this meter combines \u003cstrong\u003e±1.5% full-scale accuracy\u003c\/strong\u003e, \u003cstrong\u003eautomatic temperature compensation (ATC)\u003c\/strong\u003e, and an \u003cstrong\u003eIP67 waterproof rating\u003c\/strong\u003e — making it the professional's choice for critical DO testing in any environment.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab-Grade Accuracy:\u003c\/strong\u003e ±1.5% full scale — reliable data for critical decisions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Compensation (ATC):\u003c\/strong\u003e Accurate DO readings across varying temperatures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolarographic Probe (MA840):\u003c\/strong\u003e 1m cable, durable construction, easy field replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Display:\u003c\/strong\u003e Simultaneous dissolved oxygen + temperature readout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Stabilization:\u003c\/strong\u003e Quick, consistent readings for efficient field or lab testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Point Air Calibration:\u003c\/strong\u003e Simple, repeatable calibration procedure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67 Waterproof:\u003c\/strong\u003e Built for wet environments and demanding field conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Off (8 min):\u003c\/strong\u003e Extends battery life during field use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAquaculture \u0026amp; 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Built for hydroponics, aquaponics, and greenhouse operations, this meter delivers lab-quality accuracy in a rugged, portable package.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-in-1 Professional Testing:\u003c\/strong\u003e Measure pH, EC, and TDS with one meter and one probe—no juggling multiple devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrower-Focused Accuracy:\u003c\/strong\u003e ±0.2 pH accuracy ensures precise nutrient management and optimal plant health\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Compensation (ATC):\u003c\/strong\u003e Built-in correction for consistent readings across temperature ranges (0-50°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Range EC\/TDS:\u003c\/strong\u003e 0-6 mS\/cm EC and 0-4000 ppm TDS for concentrated nutrient solutions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable SE600 Probe:\u003c\/strong\u003e Fiber junction design resists fertilizer contamination, extends probe life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Calibration:\u003c\/strong\u003e Easy single-point manual calibration for both pH and EC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged \u0026amp; Portable:\u003c\/strong\u003e Lightweight (5.8 oz) with large, easy-to-read display\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Off Function:\u003c\/strong\u003e 8-minute auto-off conserves battery for 150 hours of use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy pH \u0026amp; EC Matter for Growers\u003c\/h3\u003e\n\u003cp\u003epH and conductivity are critical parameters for successful growing operations. pH directly affects nutrient and water uptake—when pH is out of range, it reduces the efficiency of fertilizers, herbicides, and pesticides, even if nutrients are present. Managing conductivity (EC) helps growers pinpoint fertilizer needs, prevent nutrient burn, and avoid deficiencies. The MW802 PRO gives you precise control over both parameters with professional accuracy.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Customers Say\u003c\/h3\u003e\n\u003cp\u003e\"Superb meter, easy to use, great customer service.\"\u003c\/p\u003e\n\u003cp\u003e\"Best meter I have ever owned.\"\u003c\/p\u003e\n\u003cp\u003e\"I have owned this meter for almost 8 years and only replaced the probe once. The calibration knobs are easy to use, and even when I am less than gentle with the thing it keeps on going. I wouldn't consider any other meter.\"\u003c\/p\u003e\n\u003cp\u003e\"The best meter on the market and Milwaukee customer service is the best.\"\u003c\/p\u003e\n\n\u003ch3\u003eDesign Features\u003c\/h3\u003e\n\u003cp\u003eThe MW802 PRO is engineered for simple operation and ruggedness. With a single probe, large screen, and easy calibration, this meter is exceptionally simple to operate. 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EC sensors are more robust but can still be affected by residue buildup. Both need regular maintenance for fast, accurate results.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTop Four Maintenance Tips:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Always store with cap full of buffer or storage solution MA9015 (never water)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleaning:\u003c\/strong\u003e Soak probe regularly in cleaning solution MA9016 to remove fertilizer residue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e Calibrate after cleaning and storage before testing to adjust for sensor changes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTesting Technique:\u003c\/strong\u003e Gently stir probe in sample for faster, more accurate results\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended:\u003c\/strong\u003e Order the Milwaukee pH Maintenance Kit (code \u003cstrong\u003ePH-Main\u003c\/strong\u003e) at checkout to clean and condition your pH\/EC electrode before use and maintain peak performance.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Milwaukee Instruments?\u003c\/h3\u003e\n\u003cp\u003eMilwaukee Instruments is trusted worldwide by professional growers and laboratories for rugged, reliable water testing equipment. The MW802 PRO combines Milwaukee's reputation for exceptional build quality, long-term reliability, and outstanding customer service—backed by years of proven performance in demanding growing environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional-grade testing made simple:\u003c\/strong\u003e Get lab-quality accuracy with the ease of use growers demand, backed by Milwaukee's legendary durability and support.\u003c\/p\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":32300746997847,"sku":"MW802","price":294.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/MW802__17792.1608140234.jpg?v=1705952406"},{"product_id":"milwaukee-mc120-pro-ph-monitor","title":"Milwaukee MC120 PRO pH Monitor - Continuous Monitoring with Alarm","description":"\u003ch2\u003eContinuous pH Monitoring with Lab-Grade Accuracy\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMilwaukee MC120 PRO pH Monitor\u003c\/strong\u003e provides 24\/7 pH monitoring with lab-grade accuracy and customizable alarms. Perfect for applications requiring constant pH oversight - from pools and spas to hydroponic systems, aquariums, and industrial processes - the MC120 PRO ensures you're always aware of pH conditions.\u003c\/p\u003e\n\n\u003ch3\u003eSet It and Forget It\u003c\/h3\u003e\n\u003cp\u003eUnlike handheld pH meters that require manual testing, the MC120 PRO continuously monitors pH and alerts you when levels drift outside your specified range. Mount it permanently, set your alarm parameters, and gain peace of mind knowing you'll be notified immediately if pH moves beyond acceptable limits.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003ch3\u003eContinuous pH Monitoring\u003c\/h3\u003e\n\u003cp\u003eThe large digital LCD display provides an always-visible pH reading, allowing you to check pH status at a glance without manual testing. Monitor pH trends over time and catch problems before they become critical.\u003c\/p\u003e\n\n\u003ch3\u003eCustomizable Alarm System\u003c\/h3\u003e\n\u003cp\u003eSet your ideal pH range between 5.5 and 9.5 pH. The MC120 PRO activates an alarm when pH readings move higher or lower than your setpoint, alerting you to take corrective action immediately. This early warning system prevents pH-related problems in pools, grow systems, aquariums, and industrial processes.\u003c\/p\u003e\n\n\u003ch3\u003eLab-Grade Accuracy\u003c\/h3\u003e\n\u003cp\u003eWith ±0.2 pH accuracy across the full 0.0-14.0 pH range and 0.1 pH resolution, the MC120 PRO delivers reliable data for professional applications. Two-point manual calibration ensures accuracy over time.\u003c\/p\u003e\n\n\u003ch3\u003eProfessional MA911B\/2 Electrode\u003c\/h3\u003e\n\u003cp\u003eIncludes the Milwaukee MA911B\/2 double junction, gel-filled pH electrode designed for continuous immersion and low maintenance. The double junction design prevents sample contamination and extends electrode life in challenging applications.\u003c\/p\u003e\n\n\u003ch3\u003eComplete Mounting Kit\u003c\/h3\u003e\n\u003cp\u003eThe MC120 PRO comes with a full mounting kit including probe holders, making permanent installation simple and secure. Mount the monitor where you need visibility and position the probe for optimal measurement.\u003c\/p\u003e\n\n\u003ch3\u003eReliable Power\u003c\/h3\u003e\n\u003cp\u003ePowered by the included 12 VDC adapter, the MC120 PRO provides continuous operation without battery changes. Simply plug in and monitor.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Range:\u003c\/strong\u003e 0.0 to 14.0 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Resolution:\u003c\/strong\u003e 0.1 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Accuracy:\u003c\/strong\u003e ±0.2 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e Manual 2-point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetpoint Range:\u003c\/strong\u003e 5.5 to 9.5 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm:\u003c\/strong\u003e Activates when reading is higher or lower than setpoint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Electrode:\u003c\/strong\u003e MA911B\/2 double junction, gel-filled (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e Large digital LCD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Environment:\u003c\/strong\u003e 0 to 50°C \/ 32 to 122°F; max RH 95%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 12 VDC adapter (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5.9 x 3.2 x 1.35 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 6.3 oz (meter only)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProfessional Applications\u003c\/h2\u003e\n\n\u003ch3\u003ePool \u0026amp; Spa Management\u003c\/h3\u003e\n\u003cp\u003eMaintain optimal pH for swimmer comfort, equipment protection, and sanitizer effectiveness. The MC120 PRO's alarm alerts you immediately if pH drifts outside the ideal 7.2-7.6 range, preventing corrosion, scaling, and ineffective chlorination. Mount near your pool equipment for constant visibility.\u003c\/p\u003e\n\n\u003ch3\u003eHydroponic \u0026amp; Aquaponic Systems\u003c\/h3\u003e\n\u003cp\u003eNutrient availability is pH-dependent. The MC120 PRO continuously monitors nutrient solution pH, alerting you to drift that could cause nutrient lockout and reduced yields. Set alarms for your crop's optimal pH range (typically 5.5-6.5) and respond quickly to maintain peak nutrient uptake.\u003c\/p\u003e\n\n\u003ch3\u003eAquarium Monitoring\u003c\/h3\u003e\n\u003cp\u003eDifferent fish and coral species thrive at different pH levels. The MC120 PRO provides constant oversight of aquarium pH, alerting you to changes that could stress inhabitants. Particularly valuable for sensitive reef systems where pH stability is critical.\u003c\/p\u003e\n\n\u003ch3\u003eIndustrial Process Control\u003c\/h3\u003e\n\u003cp\u003eMonitor pH in chemical processes, wastewater treatment, food production, and manufacturing. The continuous monitoring and alarm system ensures process parameters stay within specification, preventing quality issues and regulatory violations.\u003c\/p\u003e\n\n\u003ch3\u003eLaboratory \u0026amp; Research\u003c\/h3\u003e\n\u003cp\u003eContinuous pH monitoring for experiments, fermentation processes, and long-term studies. The MC120 PRO provides reliable data without requiring constant manual testing.\u003c\/p\u003e\n\n\u003ch2\u003eElectrode Care \u0026amp; Maintenance\u003c\/h2\u003e\n\n\u003cp\u003eThe MA911B\/2 electrode requires proper care to maintain accuracy and extend service life:\u003c\/p\u003e\n\n\u003ch3\u003eStorage\u003c\/h3\u003e\n\u003cp\u003eKeep the pH probe hydrated when not in continuous use. Store in pH storage solution or calibration buffer - never in tap water or DI water, which will damage probe sensitivity. The probe cap should be filled with storage solution and tightened to prevent leakage. Store the electrode upright to minimize leakage risk.\u003c\/p\u003e\n\n\u003ch3\u003eCleaning\u003c\/h3\u003e\n\u003cp\u003eResidue from samples can coat the glass bulb and clog the reference junction, especially in organic-rich applications. Regularly soak the electrode in pH cleaning solution to remove buildup and maintain sensitivity.\u003c\/p\u003e\n\n\u003ch3\u003eCalibration\u003c\/h3\u003e\n\u003cp\u003eThe glass sensing bulb becomes less sensitive over time. Calibrate regularly using pH 4.01 and 7.01 (or 10.01) buffer solutions to maintain accuracy. Always calibrate after cleaning or extended storage periods.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eMilwaukee MC120 PRO pH monitor\u003c\/li\u003e\n\u003cli\u003eMA911B\/2 double junction, gel-filled pH electrode\u003c\/li\u003e\n\u003cli\u003eComplete mounting kit with probe holders\u003c\/li\u003e\n\u003cli\u003e12 VDC power adapter\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Calibration solutions, storage solution, and cleaning solution are sold separately.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eMilwaukee Instruments Quality\u003c\/h2\u003e\n\n\u003cp\u003eMilwaukee Instruments has built a reputation for reliable, accurate measurement tools trusted by professionals worldwide. The MC120 PRO continues this tradition with continuous monitoring capability, alarm functionality, and the quality components Milwaukee is known for.\u003c\/p\u003e\n\n\u003ch2\u003eInvestment in Peace of Mind\u003c\/h2\u003e\n\n\u003cp\u003eAt $139.15, the Milwaukee MC120 PRO pH Monitor provides continuous oversight and early warning capability that manual testing can't match. The combination of lab-grade accuracy, customizable alarms, included electrode, and complete mounting kit makes it an essential tool for applications where pH stability matters.\u003c\/p\u003e\n\n\u003ch2\u003eMonitor pH with Confidence\u003c\/h2\u003e\n\n\u003cp\u003eWhether you're managing pool chemistry, optimizing hydroponic yields, maintaining aquarium health, or controlling industrial processes, the Milwaukee MC120 PRO delivers continuous pH monitoring with the alarm protection you need.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eOrder your MC120 PRO today and gain 24\/7 pH oversight with lab-grade accuracy.\u003c\/em\u003e\u003c\/p\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":32300759089239,"sku":"MC120","price":139.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/MC120_PRO.jpg?v=1736824492"},{"product_id":"milwaukee-mc125-pro-2-in-1-ph-orp-controller-dual-relay","title":"Milwaukee MC125 PRO 2-in-1 Digital pH \/ ORP Controller","description":"\u003ch2 data-mce-fragment=\"1\"\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee MC125 PRO pH and ORP controller is designed for people looking to measure and adjust pH and ORP levels automatically with one simple controller. Just set your pH and ORP  parameters and let the Milwaukee pH Controller do the rest.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee PRO pH \/ ORP controller is preferred by people looking to dial in their testing program when they have an ongoing need to maintain levels. Common uses are nutrient tanks, aquariums, pools, and spas. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee PRO pH \/ ORP controller offers:\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eACCURACY\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee PRO 2 in 1 controller offers an accuracy to ±0.2 pH with two point manual calibration and ORP accuracy to ±5 mV.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eREAL-TIME MONITORING\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSee real-time pH and ORP measurements from 0.00 pH to 14.00 pH and -1000 mV to 1000 mV with a large LED with easy switching between parameters.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eAUTOMATION FOR CONSTANT MEASUREMENT\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe controller provides a control range of 4 to 8 pH and -200 to 600 mV. Just set your control range and the controller do the rest.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eTWO DEDICATED RELAYS FOR PH AND ORP CONTROL TO SUPPORT A RANGE OF COMPATIBLE DEVICES\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eChoose your device including oxygen pumps, CO2-regulators, O3 ozonizers and other pH \u0026amp; ORP control devices by simply plugging the device into the correct pH or ORP outlet. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eEASY INSTALLATION\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe controller comes with a complete mounting kit including two probe holders.\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 current results with large digital LCD readout.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAccurate to \u003cspan class=\"single-product-meta-item-value\" data-mce-fragment=\"1\"\u003e±\u003c\/span\u003e0.2 pH and \u003cspan class=\"single-product-meta-item-value\" data-mce-fragment=\"1\"\u003e±\u003c\/span\u003e5 mV with the user selectable high\/low set points.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSimple two-point calibration for increased pH accuracy with manual trimmers for easy adjustment.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eLab grade, gel-filled, double junction pH electrode and platinum ORP electrode included for low maintenance and high performance.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e6.5 feet probe cables for extra flexibility when testing.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e12 VDC power supply.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eWHAT PEOPLE ARE SAYING\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\"I run this unit 24\/7 and have not had any problems. It keeps my fish tank CO2 injector running perfectly and puts my mind at ease regarding overdosing.\"\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eCARE AND USE \u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eProperly maintaining your pH and ORP probes will give you fast, accurate results for longer. pH and ORP probes are similar in design but there are some differences.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003epH probes have a sensing bulb that loses sensitivity with age. All pH sensors have a limited life and response time gets longer with age.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eORP probe have usually a platinum electrode instead of a glass bulb. This electrode has a longer life but can have a residue build up that affect response rates and accuracy.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eBoth electrodes have a reference junction that can become clogged resulting in slow and inaccurate results. Cleaning and keeping the probe hydrated will help prevent this.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003epH Probe\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHere are our top four tips for your pH probe.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e1. Always store with the cap full of buffer or storage solution not water.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e2. Clean your Probe regularly by soaking in cleaning solution.\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 Probe in the sample for a faster result.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eORP Probe\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHere are our top three tips for your ORP probe. \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e1. Always store with the cap full of buffer or storage solution not water.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e2. Clean your probe regularly by soaking in cleaning solution.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e3. Calibrate after cleaning and\/or storage before testing to adjust for changes in the ORP probe sensor.\u003c\/p\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003epH Range: 0.00 - 14.00 pH\u003c\/li\u003e\n\u003cli\u003eORP Range: ± 1000mV\u003c\/li\u003e\n\u003cli\u003epH Resolution: 0.01 pH\u003c\/li\u003e\n\u003cli\u003eORP Resolution: ± 1 mV\u003c\/li\u003e\n\u003cli\u003epH Accuracy: ± 0.2 pH\u003c\/li\u003e\n\u003cli\u003eORP Accuracy: ± 5 mV\u003c\/li\u003e\n\u003cli\u003eSet point pH: 4 to 8 pH\u003c\/li\u003e\n\u003cli\u003eSet point ORP: -200 to 600 mV\u003c\/li\u003e\n\u003cli\u003eCalibration: Manual 2 points pH\u003c\/li\u003e\n\u003cli\u003eAlarm Active when reading is higher or lower than set point\u003c\/li\u003e\n\u003cli\u003epH Dosing Contact\u003c\/li\u003e\n\u003cli\u003e1 power plug for CO2 dosing\u003c\/li\u003e\n\u003cli\u003eORP Dosing Contact\u003c\/li\u003e\n\u003cli\u003e1 power plug for O3 dosing\u003c\/li\u003e\n\u003cli\u003epH Electrode: MA911B\/2 (included)\u003c\/li\u003e\n\u003cli\u003eORP Electrode: MA921B\/2 (included)\u003c\/li\u003e\n\u003cli\u003eEnvironment: 0 to 50°C \/ 32 to 122°F; max RH 95%\u003c\/li\u003e\n\u003cli\u003ePower Supply: 12 VDC adapter (included)\u003c\/li\u003e\n\u003cli\u003ePower Drivers: 115 VAC, 2A, 60Hz or 230 VAC, 1A, 50Hz\u003c\/li\u003e\n\u003cli\u003eDimensions: 5.8 x 3.25 x 1.26 inches\u003c\/li\u003e\n\u003cli\u003eWeight: 7.1 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":32300869025879,"sku":"MC125","price":322.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/MC125-__59218.1609435638.jpg?v=1709831602"},{"product_id":"milwaukee-mw11-mini-total-chlorine-photometer","title":"Milwaukee MW11 Digital Total Chlorine Tester","description":"\u003ch2 data-mce-fragment=\"1\"\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Milwaukee MW11 Total Chlorine Photometer lets you go digital with your testing.  No more hit and miss testing with strips.  Great for aquariums, aquaculture \u0026amp; coral, labs, water conditioning , classroom and more.  This meter is also ideal for educators that want their students to learn the basics of water quality analysis to apply in the real world.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSimply add the reagent and get a digital reading accurate to ±0.03 ppm within minutes.\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\"\u003eRange from 0.00 to 3.50 ppm.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAccurate to ±0.03 ppm or ±3% of reading @ 25 °C.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSmall and ergonomic design.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNo calibration needed.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReliable and repeatable measurements with no visual assessment.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRuns on 1 x AAA battery with auto shut off to extend battery life.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAdaptation of the USEPA Method 330.5.  The reaction between Free Clorine and DPD causes a slight pink tint in the sample.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReplacment cuvetts 2 each: \u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMI0011\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReplacement Reagents: \u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.getultimatenow.com\/products\/milwaukee-mi524-25-powder-reagents-for-total-chlorine-photometer\" title=\"MW11 Replacement Reagents\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMi524-25\u003c\/strong\u003e \u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0.00 to 3.50 ppm\u003c\/li\u003e\n\u003cli\u003eResolution: 0.01 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±0.03 ppm or ±3% of reading @ 25 °C\u003c\/li\u003e\n\u003cli\u003eTypical EMC Dev: ±0.01 ppm\u003c\/li\u003e\n\u003cli\u003eLight Source: Light Emitting Diode @ 525 nm\u003c\/li\u003e\n\u003cli\u003eLight Detector: Silicon Photocell\u003c\/li\u003e\n\u003cli\u003eMethod: Adaptation of USEPA method 330.5 - the reaction between free chlorine and the DPD reagent causes a pink tint in the sample.\u003c\/li\u003e\n\u003cli\u003eEnvironment: 0 to 50°C (32 to 122 °F) max. 95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003eBattery Type: 1 x 1.5V AAA\u003c\/li\u003e\n\u003cli\u003eAuto-shut off: After 2 minutes of non-use\u003c\/li\u003e\n\u003cli\u003eMeter Dimensions: 3.2 x 2.4 x 1.5 inches (81.30 x 61 x 38.1 mm)\u003c\/li\u003e\n\u003cli\u003eMeter Weight: 0.14 lbs. (0.18 kg)\u003c\/li\u003e\n\u003cli\u003ePackaged Dimensions: 4.53 x 4.53 x 3.31 inches (115 x 115 x 84 mm)\u003c\/li\u003e\n\u003cli\u003ePackaged Weight: 0.4 lbs, (0.18 kg)\u003c\/li\u003e\n\u003cli\u003eReplacement Reagents: Mi524-25 (25 Tests)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MILWAUKEE INSTRUMENTS","offers":[{"title":"Default Title","offer_id":32300885278807,"sku":"MW11","price":93.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/MW11.jpg?v=1736817555"},{"product_id":"ph80-tds-4tm-ph-7-c342-ppm-combo-hm-digital-meter-solution","title":"PH80 + TDS-4TM + pH 7 + C342 ppm COMBO - HM Digital Meter\/Solution","description":"\u003cscript\u003evar descGaugeInfo = {descST:(new Date()).getTime()};\u003c\/script\u003e \u003cscript type=\"text\/javascript\"\u003e \n\t\twindow.onerror = function(message, url, line) {\n\t\t\treturn true;\n\t\t};\n\t\u003c\/script\u003e \u003cscript type=\"text\/javascript\"\u003e \n\t\tvar ebayItemID='303765271379';\n\t\tvar ebayItemRevisionTime='0';\n\t\tvar ebayAskSellerURL='https:\/\/contact.ebay.com\/ws\/eBayISAPI.dll?ShowSellerFAQ\u0026iid=303765271379\u0026requested=getultimatenow\u0026redirect=0\u0026frm=284\u0026rt=nc\u0026_trksid=p2047675.l1499\u0026ssPageName=PageSellerM2MFAQ_VI';\n\t\tvar _odtTitle = '';\n\t\tvar _odtSubTitle = '';\n\t\tvar _isTranslError = false;\n\t\tvar _sellerId = 'getultimatenow';\n\t\tvar _dmn = 'ebay.com';\n\t\u003c\/script\u003e \u003cscript type=\"text\/javascript\"\u003e\n\ttry{\n\t\tvar jsonObj = {};\n\t\tvar hashParam = document.location.hash;\n\t\tif(hashParam \u0026\u0026 hashParam.length \u003e 0){\n\t\t\thashParam = decodeURI(hashParam.replace('#', ''));\n\t\t}\n\t\tif(hashParam \u0026\u0026 typeof(hashParam) === 'string'){\n\t\t\tjsonObj = JSON.parse(hashParam);\n\t\t}\n\t\tif(jsonObj \u0026\u0026 jsonObj.jsUrl){\n\t\t\tvar jsUrl = jsonObj.jsUrl;\n\t\t\tvar script = document.createElement('script');\n\t\t\tif(jsUrl.indexOf('\/\/') != -1){\n\t\t\t\tscript.src = jsUrl;\t\n\t\t\t}else{\n\t\t\t\tscript.src = '\/\/ir.ebaystatic.com\/rs\/v\/'+jsUrl+'.js';\n\t\t\t}\n\t\t\tscript.defer = true;\n\t\t\tdocument.head.appendChild(script); \n\t\t}\n\t\tif(jsonObj \u0026\u0026 jsonObj.title){\n\t\t\tvar title = jsonObj.title;\n\t\t\tdocument.title = title;\n\t\t}\n\t}catch(e){\n\t\t\n\t}\n\t\u003c\/script\u003e eBay\n\u003ctable align=\"center\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003ch1 class=\"product_title entry-title\" itemprop=\"name\"\u003ePH-80\u003c\/h1\u003e\n\u003cdiv itemprop=\"offers\" itemscope=\"\" itemtype=\"http:\/\/schema.org\/Offer\"\u003e\n\u003cp class=\"price\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv itemprop=\"description\"\u003e\n\u003cp\u003e\u003cspan\u003ePH-80: pH HydroTester Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe PH-80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such applications as hydroponics \u0026amp; gardening, pools \u0026amp; spas, aquariums \u0026amp; reef tanks, water ionizers, drinking water and more.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures pH and Temperature\u003c\/li\u003e\n\u003cli\u003eOne-touch automatic digital calibration\u003c\/li\u003e\n\u003cli\u003eWater resistant\u003c\/li\u003e\n\u003cli\u003eSimultaneous temperature display\u003c\/li\u003e\n\u003cli\u003eLarge LCD display\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC)\u003c\/li\u003e\n\u003cli\u003eAuto-off function, data-hold function and low-battery indicator\u003c\/li\u003e\n\u003cli\u003eFactory Calibrated: The PH-80 meter is factory calibration to pH 7.0.\u003c\/li\u003e\n\u003cli\u003eIncludes a translucent cap, batteries, storage solution and pH 7.0 buffer (powder)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003ch1 class=\"product_title entry-title\" itemprop=\"name\"\u003eTDS-4TM\u003c\/h1\u003e\n\u003cdiv itemprop=\"offers\" itemscope=\"\" itemtype=\"http:\/\/schema.org\/Offer\"\u003e\n\u003cp class=\"price\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv itemprop=\"description\"\u003e\n\u003cp\u003e\u003cspan\u003eTDS-4TM: Aquarium TDS Meter with Digital Thermometer\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe TDS-4TM handheld meter is ideal for testing TDS and salt levels of freshwater aquariums and ponds. It can also be used for testing water filtration and purification systems, such as RO and DI, to know when to changes filters and membranes.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePocket size makes it ideal for portability and storage.\u003c\/li\u003e\n\u003cli\u003eHold Function\u003c\/li\u003e\n\u003cli\u003eAuto-off Function (After 10 min.)\u003c\/li\u003e\n\u003cli\u003eFactory calibrated with 342 ppm NaCl 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\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32427854725207,"sku":"50024PH80","price":69.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/PH80_TDS-4TM_C342.png?v=1606085391"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/collections\/coverpage_e9e4ab5d-d20e-49a4-9a06-142ccf18ba62.png?v=1749576167","url":"https:\/\/getultimatenow.com\/collections\/ph-orp-ec-tds-do-temperature-chlorine-meters.oembed?page=12","provider":"Get Ultimate Now ","version":"1.0","type":"link"}