HM Digital COM-80 Water Resistant Ec/TDS Temperature Hydrotester
The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Measures electrical conductivity (EC), total dissolved solids (TDS). 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. Features, Digital Calibration (push button), low-battery indicator with large and easy-to-read LCD screen includes simultaneous temperature reading. Factory Calibrated: The COM-80 meter is calibrated with a 1413 µS solution. The meter can be recalibrated with digital calibration using the push buttons. Includes a protective cap and batteries.