HM Digital
HM Digital Handheld TDS-3 Tester
$30.22
Ideal for commercial use. Includes a carrying case with belt clip. Highly efficient and accurate due to its advanced microprocessor technology. Hold function: saves measurements for convenient reading..
HM Digital pH / TDS / EC / Temp meter
$172.94
The COM-300 is an advanced waterproof combo meter with superior accuracy. The meter measures four parameters: pH, electrical conductivity (EC), total dissolved solids (TDS) and temperature. Features i..
HM Digital pH 80 Meter
$49.29
Resolution: pH 0.1 pH, 0.0014.0 pH. Accurate to +/-0.1 pH. Hold button and auto shut-off. Automatic calibration: Auto-ranging to 4, 7 or 10 pH. Very reliable and long lasting. Low battery indicator. ..
HM Digital Water Resistant Ec/TDS Meter w/ Temperature in C/F Hydrotester (Model COM-80)
$46.44
The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics, gardening, pools, spas, aquariums, reef tanks, water ionizers, drinking water an..
HM Digital Waterproof pH Meter
$108.07
Measures pH and temperature. Auto-ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in a clear cap. Measurement range: 014 pH with a waterproof ho..