HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester

The COM-80 is an affordable pen-style meter for checking nutrient strength. It reads EC and TDS with temperature shown at the same time, and automatic temperature compensation corrects the reading.

It ships calibrated at 1413 µS and can be recalibrated to any point in its range with the push buttons. Water resistant, with data hold, auto-off and a low-battery indicator. The cap and batteries are included.

Specs:

• EC 0-9990 µS / 0-9.9 mS; TDS 0-5000 ppm / 0-5.0 ppt
• Resolution 1 µS/ppm, 0.1 mS/ppt; temperature 1-80°C (33-176°F) at 0.1°
• Accuracy +/- 2%, NaCl conversion factor (avg 0.5)
• Fixed probe, 3 x LR44 button cells, 6.0 x 1.3 x 0.7 in, 1.9 oz
• One-year warranty

Pairs with: HM Digital 1000 ppm TDS Calibration Solution.