{"title":"HM Digital","description":"\u003cdiv style=\"text-align: center;\"\u003e\u003cimg width=\"748\" height=\"301\" alt=\"\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HM_headlinefree2_9da562a4-7007-4db3-9143-d64e440e92c2_large.png?v=1504927972\"\u003e\u003c\/div\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 | Built-In 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":true}],"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","description":"\u003cp id=\"teaser\"\u003eThe COM-80 is an economically priced, reliable EC\/TDS meter that 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\u003ch2\u003eFEATURES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures electrical conductivity (EC), total dissolved solids (TDS).  Exellent for nutrient testing.\u003c\/li\u003e\n\u003cli\u003eFour scales: EC: \u003cspan\u003eµS, mS;  TDS: ppm, ppt\u003c\/span\u003e  \u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC)\u003c\/li\u003e\n\u003cli\u003eWater resistant\u003c\/li\u003e\n\u003cli\u003eMeasurement Range: 0-9990 \u003cem\u003eµ\u003c\/em\u003eS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt \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 \u003cem\u003eµ\u003c\/em\u003eS solution. The meter can be recalibrated with digital calibration using the push buttons.\u003c\/li\u003e\n\u003cli\u003eIncludes a protective cap and batteries.\u003c\/li\u003e\n\u003cli\u003eNeed help deciding which meter is right for you?  View our \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\/COM-80_large.jpg?v=1478101870\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEC Range: \u003c\/strong\u003e0 - 9990 \u003cem\u003eµ\u003c\/em\u003eS; 0 - 9.9 mS  \u003cbr\u003e\u003cstrong\u003eTDS Range:\u003c\/strong\u003e 0 - 5000 ppm (mg\/L); 0 - 5.0 ppt  \u003cbr\u003e\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e 1-80 °C; 33-176 °F \u003cbr\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e 1 \u003cem\u003eµ\u003c\/em\u003eS\/ppm; 0.1 mS\/ppt.   \u003cbr\u003e\u003cstrong\u003e     Temp. resolution:\u003c\/strong\u003e 0.1 °C\/F \u003cbr\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e +\/- 2% \u003cbr\u003e\u003cstrong\u003eEC-to-TDS Conversion Factor:\u003c\/strong\u003e NaCl (avg of 0.5). \u003cbr\u003e\u003cstrong\u003eCalibration:\u003c\/strong\u003e Digital calibration by push button. \u003cbr\u003e\u003cstrong\u003eProbe:\u003c\/strong\u003e Fixed \u003cbr\u003e\u003cstrong\u003eHousing:\u003c\/strong\u003e Water resistant\u003cbr\u003e\u003cstrong\u003ePower source:\u003c\/strong\u003e 3 x 1.5V button cell batteries (included)  (model LR44 or equivalent)\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches) \u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 53.9g (1.9 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\u003e891144000229\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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-scm-1000-digital-brix-refractometer-atc","title":"HM Digital SCM-1000 Digital Brix Refractometer - ATC Water Resistant Sugar Tester","description":"\u003ch1 class=\"product_title entry-title\" itemprop=\"name\"\u003eSCM-1000\u003c\/h1\u003e\n\u003ch1 class=\"product_title entry-title\" itemprop=\"name\"\u003eThe Smart Digital Refractometer that is always ready.\u003c\/h1\u003e\n\u003cdiv itemprop=\"description\"\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures sugar percentage in Brix(%) unit.\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC)\u003c\/li\u003e\n\u003cli\u003eWater resistance washable with flowing water\u003c\/li\u003e\n\u003cli\u003eStore up 20 measurement data at once\u003c\/li\u003e\n\u003cli\u003eAuto-off function,\u003c\/li\u003e\n\u003cli\u003eAuto brightness adjusting LCD Display, Easy to read everything anywhere.\u003c\/li\u003e\n\u003cli\u003eOne press Zero Calibration\u003c\/li\u003e\n\u003cli\u003eRemovable protective cover included\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\/SCM-1000_large.png?v=1522257755\"\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRange: Brix 0.0 ~ 55.0%\u003c\/li\u003e\n\u003cli\u003eResolution: Brix 0.1%\u003c\/li\u003e\n\u003cli\u003eAccuracy: Brix ±0.2%\u003c\/li\u003e\n\u003cli\u003eATC Function included (Temperature Compensation  10 ~ 60℃ )\u003c\/li\u003e\n\u003cli\u003eTemperature Range: 0 ~ 70℃\u003c\/li\u003e\n\u003cli\u003eWithin 3 Seconds Measurement time\u003c\/li\u003e\n\u003cli\u003eAuto shut-off function after 2 minutes\u003c\/li\u003e\n\u003cli\u003eAutomatic screen brightness control\u003c\/li\u003e\n\u003cli\u003eData Store: Up to 20\u003c\/li\u003e\n\u003cli\u003eUsage Environment: 10 ~ 40 ℃\u003c\/li\u003e\n\u003cli\u003eIdle Sample Volume: 0.5ml\u003c\/li\u003e\n\u003cli\u003eUnit: Water resistant (splash proof)\u003c\/li\u003e\n\u003cli\u003ePower Source 1.5V x 2(AAA alkaline)\u003c\/li\u003e\n\u003cli\u003eSize: 58(W) x 36(D) x 122(H)mm\u003c\/li\u003e\n\u003cli\u003eweight:  149g (including batteries and detachable cover)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":5715480346655,"sku":"50013","price":229.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/SCM-1000.png?v=1556812089"},{"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":279.99,"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. With replaceable sensors, digital calibration, and automatic temperature compensation, this versatile monitor delivers accurate, reliable measurements for hydroponics, water treatment, aquaculture, laboratories, and environmental testing.\u003c\/p\u003e\u003ch3\u003eKey Features:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-in-1 Measurement:\u003c\/strong\u003e Monitors pH, EC, TDS, Salinity, and Temperature with simultaneous 3-parameter display (pH\/EC or TDS\/Temp)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable Sensors:\u003c\/strong\u003e SP-C2 conductivity sensor and SP-P5 pH sensor extend instrument lifespan and reduce replacement costs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Accuracy:\u003c\/strong\u003e Factory calibrated for pH, EC, and TDS with digital push-button recalibration to any point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Compensation (ATC):\u003c\/strong\u003e Three temperature coefficients ensure accurate readings across varying conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple TDS Scales:\u003c\/strong\u003e 0.5 (NaCl) and 0.7 (442™) conversion factors for different applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge LCD Display:\u003c\/strong\u003e Easy-to-read screen shows three parameters simultaneously for comprehensive water quality assessment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable Design:\u003c\/strong\u003e Lightweight with protective rubber boot for field use and laboratory applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Functions:\u003c\/strong\u003e Auto-off conserves battery, data-hold freezes readings, low-battery indicator prevents unexpected shutdowns\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Includes pH 4 \u0026amp; 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; spa water chemistry, environmental ecology studies, boiler \u0026amp; cooling tower monitoring, drinking water analysis, and food \u0026amp; beverage quality control.\u003c\/p\u003e\u003ch3\u003eWhat's Included:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHM-200 monitor with integrated sensors\u003c\/li\u003e\n\u003cli\u003eReplaceable SP-C2 conductivity sensor\u003c\/li\u003e\n\u003cli\u003eReplaceable SP-P5 pH sensor\u003c\/li\u003e\n\u003cli\u003epH 4.01 calibration buffer solution\u003c\/li\u003e\n\u003cli\u003epH 7.01 calibration buffer solution\u003c\/li\u003e\n\u003cli\u003epH storage solution\u003c\/li\u003e\n\u003cli\u003eProtective rubber boot\u003c\/li\u003e\n\u003cli\u003e2 × AA alkaline batteries\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose the HM-200?\u003c\/h3\u003e\u003cp\u003eThe HM-200 stands out with its simultaneous 3-parameter display—allowing you to monitor pH, conductivity (or TDS), and temperature at a glance without toggling between modes. 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-c1000-calibration-solution-1000ppm","title":"HM Digital C-1000 TDS and EC Calibration Solution - 1000 ppm NaCl 3 oz","description":"\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\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNaCl calibration solution,   1000 ppm\u003c\/li\u003e\n\u003cli\u003eComes in lightweight HDPE plastic bottles\u003c\/li\u003e\n\u003cli\u003eSealed with a coated foam liner\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/c1000-main-429x600_large.png?v=1523637066\" alt=\"\"\u003e\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":8129373667415,"sku":"50003","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/c1000-main-429x600.png?v=1556812087"},{"product_id":"hm-digital-c-342-tds-ec-calibration-solution-342-ppm","title":"HM Digital C-342 TDS and EC Calibration Solution - 342 ppm NaCl 3 oz","description":"\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\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNaCl calibration solution,  342 ppm\u003c\/li\u003e\n\u003cli\u003eComes in lightweight HDPE plastic bottles\u003c\/li\u003e\n\u003cli\u003eSealed with a coated foam liner\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\/c342-main-429x600_large.png?v=1523637508\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNaCl solution\u003c\/li\u003e\n\u003cli\u003e3 oz. bottles (90 ml)\u003c\/li\u003e\n\u003cli\u003eC342 UPC: 891144000014\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSolution Conversions\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e342 NaCl =\u003c\/li\u003e\n\u003cli\u003e362 as KCl ; 478 as “442” ; 700 µS\u003c\/li\u003e\n\u003cli\u003e1000 NaCl =\u003c\/li\u003e\n\u003cli\u003e1060 as KCl ; 1450 as “442” ; 2000 µS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":8129393492055,"sku":"50004","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/c342-main-429x600.png?v=1556420421"},{"product_id":"hm-digital-flm-3-flow-meter-ro-di-filter-monitor","title":"HM Digital FLM-3 Flow Meter - RO\/DI Water Filter Monitor with Alarm","description":"\u003ch1\u003e\u003cstrong\u003eMONITOR YOUR RO\/DI FILTRATION SYSTEM WITH PRECISION\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe HM Digital FLM-3 Consumer Flow Meter is the perfect solution for monitoring water flow through your reverse osmosis (RO) or deionization (DI) filtration system. Designed for under-the-sink or countertop installations, this compact flow meter helps you track exactly how much water has passed through your filters—so you know precisely when it's time for replacement.\u003c\/p\u003e\n\n\u003ch2\u003eWHY CHOOSE THE FLM-3 FLOW METER?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual flow rate monitoring\u003c\/strong\u003e – Switch between liters per minute (LPM) or gallons per minute (GPM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal volume tracking\u003c\/strong\u003e – Tracks cumulative liters or gallons used up to 99,999\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable alarm\u003c\/strong\u003e – Set custom alerts to notify you when filter replacement is needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge LCD display\u003c\/strong\u003e – Easy-to-read screen shows flow rate and total volume at a glance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect fit\u003c\/strong\u003e – Unique compact design ideal for under-sink or countertop RO\/DI systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eNEVER GUESS WHEN TO CHANGE FILTERS AGAIN\u003c\/h2\u003e\n\u003cp\u003eStop relying on guesswork or calendar reminders to determine when your RO or DI filters need replacement. The FLM-3 gives you precise data on exactly how much water has passed through your filtration system, allowing you to replace filters based on actual usage rather than estimated timeframes. This ensures optimal water quality while maximizing filter life and avoiding premature replacements.\u003c\/p\u003e\n\n\u003ch2\u003eKEY FEATURES\u003c\/h2\u003e\n\n\u003ch3\u003eDual Measurement Modes\u003c\/h3\u003e\n\u003cp\u003eMonitor flow rates in liters per minute (LPM) or gallons per minute (GPM) depending on your preference. The meter accurately measures flow rates from 0.8–8.0 LPM or 0.2–2.1 GPM, covering the typical range for residential RO\/DI systems.\u003c\/p\u003e\n\n\u003ch3\u003eCumulative Volume Tracking\u003c\/h3\u003e\n\u003cp\u003eTrack total water volume from 0 to 99,999 gallons or liters. This cumulative counter helps you monitor filter cartridge capacity and plan replacements based on manufacturer specifications.\u003c\/p\u003e\n\n\u003ch3\u003eProgrammable Alarm System\u003c\/h3\u003e\n\u003cp\u003eSet a custom alarm threshold based on your filter's rated capacity. When the programmed volume is reached, the FLM-3 emits an audible beep alert—reminding you it's time to replace your filters before water quality degrades.\u003c\/p\u003e\n\n\u003ch3\u003eLarge, Easy-to-Read LCD Display\u003c\/h3\u003e\n\u003cp\u003eThe clear LCD screen displays both current flow rate and total volume simultaneously, making it easy to monitor your system's performance at a glance—even in dimly lit under-sink installations.\u003c\/p\u003e\n\n\u003ch3\u003eSimple Installation\u003c\/h3\u003e\n\u003cp\u003eThe FLM-3 features standard 1\/4\" quick-connect fittings that integrate seamlessly with most RO\/DI systems. No special tools or plumbing expertise required—just connect inline between your filter stages or at the output.\u003c\/p\u003e\n\n\u003ch3\u003eLong Battery Life\u003c\/h3\u003e\n\u003cp\u003ePowered by two standard 1.5V AA batteries (included), the FLM-3 delivers approximately 18 months of continuous monitoring—minimizing maintenance and ensuring reliable operation.\u003c\/p\u003e\n\n\u003ch3\u003eCompact Design\u003c\/h3\u003e\n\u003cp\u003eAt just 2.6\" × 3.5\" × 2.5\" (6.6 × 9.0 × 6.3 cm) and weighing only 7.3 oz (207g), the FLM-3 fits easily in tight under-sink spaces without interfering with other plumbing or storage.\u003c\/p\u003e\n\n\u003ch2\u003eIDEAL APPLICATIONS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReverse osmosis (RO) drinking water systems\u003c\/li\u003e\n\u003cli\u003eDeionization (DI) water purification systems\u003c\/li\u003e\n\u003cli\u003eAquarium RO\/DI water production\u003c\/li\u003e\n\u003cli\u003eHydroponic nutrient solution preparation\u003c\/li\u003e\n\u003cli\u003eLaboratory water filtration monitoring\u003c\/li\u003e\n\u003cli\u003eCoffee and beverage equipment water filtration\u003c\/li\u003e\n\u003cli\u003eAny application requiring precise water volume tracking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHOW IT WORKS\u003c\/h2\u003e\n\u003cp\u003eInstall the FLM-3 inline with your RO\/DI system using the included 1\/4\" quick-connect fittings. As water flows through the meter, it accurately measures both the instantaneous flow rate and cumulative volume. Program the alarm to match your filter's rated capacity (for example, 500 gallons), and the meter will alert you when it's time for replacement—taking the guesswork out of filter maintenance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/flm3-main-429x600_large.png?v=1530300752\" alt=\"HM Digital FLM-3 Consumer Flow Meter - Compact Design for RO\/DI Systems\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eTECHNICAL SPECIFICATIONS\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFLM-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlow Rate Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.8–8.0 LPM \/ 0.2–2.1 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Volume Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–99,999 gallons or liters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlow Rate Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 LPM \/ 0.1 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVolume Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 gallon \/ 1 liter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm Set Point\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFully programmable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAudible beep\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFittings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4\" quick connect (standard RO\/DI size)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTwo 1.5V AA batteries (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 18 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLarge LCD with simultaneous flow rate and total volume\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.6 × 9.0 × 6.3 cm (2.6\" × 3.5\" × 2.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e207g (7.3 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e891144000465\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWHAT'S INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHM Digital FLM-3 Consumer Flow Meter\u003c\/li\u003e\n\u003cli\u003eTwo 1.5V AA batteries\u003c\/li\u003e\n\u003cli\u003e1\/4\" quick-connect fittings (pre-installed)\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMAXIMIZE YOUR FILTRATION INVESTMENT\u003c\/h2\u003e\n\u003cp\u003eYour RO\/DI filtration system is an investment in pure, clean water. The FLM-3 helps you protect that investment by ensuring you replace filters at exactly the right time—not too early (wasting money) and not too late (compromising water quality). With precise volume tracking and programmable alerts, you'll maintain optimal system performance while extending the life of your filtration equipment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThe HM Digital FLM-3 Consumer Flow Meter—because knowing is better than guessing when it comes to water quality.\u003c\/em\u003e\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":8332676694103,"sku":"50010","price":62.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/FLM-3.png?v=1736619444"},{"product_id":"orp-buf-orp-buffer-powder-solution-and-electrode-test-kit","title":"ORP-BUF: ORP Buffer Powder Solution and Electrode Test Kit","description":"\u003cp\u003eHM Digital’s ORP buffer solution comes in powder form, so it’s lightweight, takes up very little space, is inexpensive and has an indefinite shelf life.\u003c\/p\u003e\n\u003cp\u003eFEATURES\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVariety pack of ORP buffer solution\u003c\/li\u003e\n\u003cli\u003eTest kit to check the quality of your ORP electrode.\u003c\/li\u003e\n\u003cli\u003eSimple to use\u003c\/li\u003e\n\u003cli\u003ePowder has an indefinite shelf life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eApplication: Aquaculture, Aquarium, Drinking Water, Food \u0026amp; Beverage, Industrial, Pool\/Spa, Water Treatment, Window Cleaning\/Carwash\u003c\/p\u003e\n\u003ch2\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTotal volume: 1.0 liter. Each powder packet makes 100 ml of solution (when mixed with distilled or deionized water)\u003c\/li\u003e\n\u003cli\u003eContents: 5 packets of +92mV, 5 packets of +265mV\u003c\/li\u003e\n\u003cli\u003eExtras: Includes three empty 100 ml bottles\u003c\/li\u003e\n\u003cli\u003eAccuracy: +\/- 0.2 ORP at 25 degrees Celsius\u003c\/li\u003e\n\u003cli\u003ePreparation directions included with the kit\u003c\/li\u003e\n\u003cli\u003eUPC: 891144000076\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Get Ultimate Now LLC","offers":[{"title":"Default Title","offer_id":19729921441879,"sku":"50035","price":18.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/ORP_buffer_solution.png?v=1556812114"},{"product_id":"ph-buf-ph-buffer-powder-solution-variety-pack","title":"HM digital PH Buffer powder solution variety pack PH-BUF","description":"\u003cp\u003eHM Digital’s pH buffer solution comes in powder form, so it’s lightweight, takes up very little space, is inexpensive and has an indefinite shelf life.\u003c\/p\u003e\n\u003cp\u003eFEATURES:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVariety pack of pH buffer solution\u003c\/li\u003e\n\u003cli\u003eSimple to use\u003c\/li\u003e\n\u003cli\u003ePowder has an indefinite shelf life\u003c\/li\u003e\n\u003cli\u003eAlways fresh solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eApplication: Aquaculture, Aquarium, Drinking Water, Food \u0026amp; Beverage, Hydroponics, Industrial, Pool\/Spa, Water Treatment\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTotal volume: 1.2 liters. Each powder packet makes 100 ml of solution (when mixed with distilled or deionized water)\u003c\/li\u003e\n\u003cli\u003eContents: 6 packets of 4.0 pH \u0026amp; 6 packets of 7.0 pH\u003c\/li\u003e\n\u003cli\u003eExtra: Includes one empty 100 ml bottle\u003c\/li\u003e\n\u003cli\u003eAccuracy: +\/- 0.02 pH at 25 degrees Celsius\u003c\/li\u003e\n\u003cli\u003ePreparation directions included with the pack\u003c\/li\u003e\n\u003cli\u003eUPC: 891144000069\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":19729967644759,"sku":"50038","price":16.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/phbuf-main.png?v=1556812115"},{"product_id":"hm-digital-orp-stor-orp-electrode-storage-solution-60cc","title":"HM Digital ORP-STOR ORP Electrode Storage Solution - 60cc KCl Formula","description":"\u003cp\u003e\u003cstrong\u003eORP-STOR: ORP Electrode Storage Solution\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eORP storage solution for HM Digital’s ORP-200 as well as other brands of ORP meters. Always make sure your sensor is kept in an electrode storage solution. If dry, refill the ORP meter cap with the ORP-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\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 ORP 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: 891144000205\u003c\/li\u003e\n\u003cli\u003eNOT FOR CALIBRATION. To calibrate, use ORP buffers.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":19821074710615,"sku":"50037","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/orpstor-main.png?v=1556812095"},{"product_id":"hm-digital-ph-stor-ph-electrode-storage-solution-60cc","title":"HM Digital PH-STOR pH Electrode Storage Solution - 60cc with Fungicide","description":"\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. 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This neutral calibration standard is essential for calibrating pH meters to ensure precise readings across all your water quality testing applications.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH 7.0 Neutral Standard:\u003c\/strong\u003e Precise neutral point calibration for accurate pH measurements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20ml Single Pack:\u003c\/strong\u003e Convenient single-use packet for fresh calibration every time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Works with HM Digital pH meters and other brands\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab-Grade Quality:\u003c\/strong\u003e Professionally formulated for reliable calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to Use:\u003c\/strong\u003e Ready-to-use solution in convenient packet format\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eEssential for calibrating pH meters used in:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAquaculture and fish farming\u003c\/li\u003e\n\u003cli\u003eAquarium water testing\u003c\/li\u003e\n\u003cli\u003eDrinking water quality monitoring\u003c\/li\u003e\n\u003cli\u003eFood \u0026amp; beverage production\u003c\/li\u003e\n\u003cli\u003eHydroponics and agriculture\u003c\/li\u003e\n\u003cli\u003eIndustrial water treatment\u003c\/li\u003e\n\u003cli\u003ePool and spa maintenance\u003c\/li\u003e\n\u003cli\u003eLaboratory testing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy pH 7.0 Calibration Matters\u003c\/h3\u003e\u003cp\u003epH 7.0 represents the neutral point on the pH scale. Calibrating your pH meter at this midpoint ensures accuracy across both acidic and alkaline ranges. 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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\/files\/HMDM-2EC.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. 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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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