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 Replacement Platinum Sensor for COM-100 MSRP: Was: Now: $51.08 Choose Options Compare
Quick view Milwaukee Instruments EC65 Waterproof Tester MSRP: $88.99 Was: Now: $86.98 Choose Options Compare
Quick view HM Digital Handheld TDS-3 Tester 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 and recording. Auto-off function: the meter shuts off... MSRP: Was: Now: $38.29 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 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 Aquapro TDS Water Tester Measures total dissolved solids (TDS) and temperature. Automatic temperature compensation (ATC). Water-resistant housing with digital calibration (push button). Measurement range: 05000 ppm. Auto-off function, data-hold function and low battery... MSRP: $42.95 Was: Now: $39.88 Choose Options Compare
Quick view HM Digital Replacement Platinum Sensor for COM-100 This spare sensor is for HM Digital EC/TDS/Temp Combo Meter model COM-100. Features platinum TDS/EC sensor and thermister. MSRP: Was: Now: $51.08 Choose Options Compare
Quick view Milwaukee Instruments EC65 Waterproof Tester The C65 is a microprocessor-based conductivity tester with a rugged one-piece IP67 waterproof casing. Immersible up to the LCD. This instrument is a low-cost and easy to use meter with a replaceable electrode. Includes 3 1.5 volt button batteries... MSRP: $88.99 Was: Now: $86.98 Choose Options Compare
