HM Digital COM-80 Pen Style TDS/EC/Temp Meter

The COM-80 is easily the most advanced economically priced, reliable EC/TDS meter on the market. With its versatility and durability, it is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.

FEATURES:

Measures electrical conductivity (EC), total dissolved solids (TDS). Excellent for nutrient testing
Four scales: EC: µS, mS; TDS: ppm, 0.5 (NaCl) & 0.7 (442™)
Automatic Temperature Compensation (ATC)
Water resistant
Digital Calibration (push button) to any point within the meter’s range
Auto-off function, data-hold function and low-battery indicator
Display: large and easy-to-read LCD screen includes simultaneous temperature reading.
Factory Calibrated: The COM-80 meter is calibrated with a 1413 µS solution.
Includes a protective cap and batteries