{"product_id":"hm-digital-pro-series-pen-style-ph-tds-ec-temp-meter","title":"HM Digital Pro Series Pen style pH\/TDS\/EC\/Temp meter","description":"\u003cstrong\u003eCOM-300: Waterproof Professional Series pH\/EC\/TDS\/Temp Meter\u003c\/strong\u003e\u003cbr\u003e\u003cbr\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.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003cbr\u003eMeasures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), and Temperature\u003cbr\u003eFive scales: pH, µS, mS, ppm 0.5 (NaCl) Scale \u0026amp; 0.7 (442™) Scale\u003cbr\u003eAutomatic Temperature Compensation (ATC) using three temperature coefficients\u003cbr\u003eWaterproof housing (IP-67 rating)\u003cbr\u003eDigital Calibration (push button) to any point within the meter’s range\u003cbr\u003eAuto-off function, data-hold function and low-battery indicator\u003cbr\u003eDisplay: large and easy-to-read LCD screen includes simultaneous temperature reading\u003cbr\u003eReplaceable Sensor (model SP-C3)\u003cbr\u003eFactory Calibrated (pH\/EC\/TDS)\u003cbr\u003eIncludes translucent cap, 2 (AAA) alkaline batteries, pH 4 \u0026amp; 7 calibration solutions, pH storage solution and lanyard\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cbr\u003epH Range: 0 – 14 pH\u003cbr\u003eEC Range: 0 – 9990 µS; 0 – 9.99 mS\u003cbr\u003eTDS Range: 0 – 8560 ppm (0.7 Scale); 0 – 5000 ppm (0.5 Scale)\u003cbr\u003eTemperature Range: 0-55 °C; 32-130°F\u003cbr\u003eResolution:\u003cbr\u003epH: 0.1pH\u003cbr\u003eEC 0 – 999 : 1µS ; 1000 – 9990 : µS ; 0- 9.99 mS :0.01 mS\u003cbr\u003eTDS 0 – 999 : 1ppm \/ 1000 – 9990: 10 ppm\u003cbr\u003eTemperature 0.1 °C\/°F\u003cbr\u003eAccuracy: +\/- 2%\u003cbr\u003eEC to TDS Conversion Factor: Non-linear conversions for KCl, 442TM or NaCl solutions, selected by the user.\u003cbr\u003eProbe: Detachable platinum electrodes \u0026amp; pH glass sensor with reference tube electrodes\u003cbr\u003eHousing: IP-67 Waterproof (submersible; floats)\u003cbr\u003ePower source: 2 x Triple A (AAA) included\u003cbr\u003eDimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)\u003cbr\u003eWeight: 101.5g (3.6 oz)","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":50471213891840,"sku":"HM-COM-300","price":121.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/3553\/8944\/files\/image_1920_8d081afb-d0f0-45f5-9893-5b9a61f5fe30.jpg?v=1790558639","url":"https:\/\/megagrowmart.com\/products\/hm-digital-pro-series-pen-style-ph-tds-ec-temp-meter","provider":"Mega Grow Mart","version":"1.0","type":"link"}