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: µS, mS; TDS: ppm, ppt
• Automatic Temperature Compensation (ATC)
• Water resistant
• Measurement Range: 0-9990 µS; 0-5000 ppm; 0-9.9 mS; 0-5 ppt
• Auto-off function, data-hold function and low-battery indicator.
• 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 µS solution. The meter can be re-calibrated with digital calibration using the push buttons
• Includes a cap and batteries
• Ideal for all water purification applications, waste water regulation, aquaculture, hydroponics, nutrient testing and more