Quick view HM Digital Water Resistant Ec/TDS Meter w/ Temperature in C/F Hydrotester (Model COM-80) MSRP: Was: Now: $46.98 Choose Options Compare
Quick view HM Waterproof EC/TDS/Temp Combo Meter MSRP: $76.95 Was: Now: $75.09 Choose Options Compare
Quick view HM Digital Water Resistant Ec/TDS Meter w/ Temperature in C/F Hydrotester (Model COM-80) 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 and more. Measures electrical conductivity (EC), total... MSRP: Was: Now: $46.98 Choose Options Compare
Quick view HM Digital pH 80 Meter 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. Clear cap to notice moisture (or lack of) on probe... MSRP: Was: Now: $54.34 Choose Options Compare
Quick view HM Waterproof EC/TDS/Temp Combo Meter Measures electrical conductivity (EC), total dissolved solids (TDS) and temperature. Three different calibration options (KCl, 442TM, NaCl), each with its own non-linear conversion factor. Automatic Temperature Compensation (ATC) using three temperature... MSRP: $76.95 Was: Now: $75.09 Choose Options Compare
Quick view HM Digital Waterproof pH Meter 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 housing. Digital automatic calibration (one point), with... MSRP: $99.95 Was: Now: $91.19 Choose Options Compare
