- Measures electrical conductivity (EC), TDS and temperature.
- Automatic Temperature Compensation (ATC)
- Hold button and Auto shut-off
- Digital Calibration (push button)
- 0-5000 ppm TDS Range
- 1 ppm Resolution, 2% Readout Accuracy
Product Description: NEW! The COM-80 is an economically priced, reliable EC/TDS meter (ppm pen / nutrient tester) that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Also great for commercial applications, such as boilers and cooling towers and filtration and purification systems.