HM Digital Hydromaster 100 - Continuous pH/TDS/EC/Temp meter

HM-100: Continuous pH/EC/TDS/Temp MonitorThe HM-100 is a pH/EC/TDS/Temp monitor 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.FeaturesMeasures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and TemperatureFour scales: pH, mS, ppm 0.5 (NaCl) Scale & 0.7 (442™) ScaleAutomatic Temperature Compensation (ATC) using three temperature coefficientsDigital Calibration (push button) to any point within the meter’s rangeData-hold function (Max. 6 data values)Large and easy-to-read LCD ScreenDisplays 3 parameters (pH/EC or TDS/Temp) simultaneously.Replaceable Sensors (model SP-C2 for Conductivity, SP-P5 for pH)Factory Calibrated (pH/EC/TDS)Includes power cable, pH 4 & 7 calibration solu