HM Digital HM-100 Continuous pH/EC/TDS/Temp Monitor

The HM Digital HM-100 Continuous pH/EC/TDS/Temp Monitor is 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. Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and Temperature Four scales: pH, mS, ppm 0.5 (NaCl) Scale & 0.7 (442™) Scale Automatic Temperature Compensation (ATC) using three temperature coefficients Digital Calibration (push button) to any point within the meter’s range Data-hold function (Max. 6 data values) Large and easy-to-read LCD Screen Displays 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 Solutions, pH Storage Solution