HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, /- 2% Readout Accuracy

Measures electrical conductivity (EC), total dissolved solids (TDS). Exellent for nutrient testing. * Four scales: EC: µS, mS; TDS: ppm, ppt * Automatic Temperature Compensation (ATC) * Water resistant * Digital Calibration (push button) to any point within the meter"s range