HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter

"> Product description: HM Digital's COM-100 is a waterproof combination EC/TDS/Temperature meter that is ideal for all water quality testing, water purification applications, drinking water, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs %26 scientific testing, pools %26 spas, ecology testing, boilers %26 cooling towers, water treatment and more. The COM-100 is a professional level EC/TDS meter at an unbeatable price.