The HM Digital COM-80 is an affordable handheld electrical conductivity (EC) and total dissoved solids (TDS) meter. The COM-80 is ideal for use in applications such as hydroponics and gardening, pools and spas, aquariums and reef tanks, water ionizers, drinking water, nutrient testing and more.
Specifications:
- Measures electrical conductivity (EC) and total dissolved solids (TDS)
- Four scales: EC: S, mS; TDS: ppm, ppt
- Automatic Temperature Compensation (ATC)
- Water resistant
- Measurement Range: 0-9990 S; 0-5000 ppm; 0-9.9 mS; 0-5 ppt
- Auto-off function,>
- Display: large and easy-to-read LCD screen includes simultaneous temperature reading.
- Digital calibration (push button) to any point within the meters range
- Factory calibrated with a 1413 S solution. The meter can be re-calibrated with digital calibration using the push b








