The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics, gardening, pools, spas, aquariums, reef tanks, water ionizers, drinking water and more. Measures electrical conductivity (EC), total dissolved solids (TDS). Excellent for nutrient testing. Four scales: EC: µS, mS; TDS: ppm, ppt. This tester has automatic temperature compensation (ATC) and is water-resistant. Measurement range: 0–9990 µS; 0–5000 ppm; 0–9.9 mS; 0–5.0 ppt. Digital calibration (push button) to any point within the meter’s range. Auto-off function,>
