HM Digital COM-300 Ph/Tds/EC/Temp Meter 23169109902 accurate ppm readings with Automatic

accurate ppm readings with Automatic Temperature Compensation (ATC) and a built-in digital thermometer — all in a rugged

Salinity Resolution: 1 PPT / 1 PSU / 0

Four measurement scales: EC: µS

fruit & vegetable washing

Digital automatic calibration (one point)

HM Digital COM-300 Ph/Tds/EC/Temp Meter 23169109902 accurate ppm readings with AutomaticThe 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 & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. FEATURES: Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and Temperature Five scales: pH,