Waterproof - EC / TDS / Temperature Combo Meter Water TesterMeasures Total Dissolved Solids (ppm), Salinity, Conductivity, and Temperature of WaterHM Digital COM-100 is a professional level EC/TDS meter ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.
5V button cell batteries (included) Conductivity / Tds / Temperature Water Tester | Hm Digital Combo Meter | Waterproof HM Digital Model: COM-100Measures electrical conductivity (EC), total dissolved solids (TDS), and temperatureThree different calibration options (KCl, 442™, NaCl), each with its own non-linear conversion factorAutomatic Temperature Compensation (ATC) using three temperature coefficientsWaterproof housingMeasurement Range: 0-9990 μS; 0-8560 ppm (auto-ranging); 0-80 deg C; 32-176 deg FDigital calibration (push button)Auto-off function, data-hold function, and low battery indicatorLarge and easy-to-read LCD screenFactory calibrated with a 1413 μS solution..The meter can be recalibrated with digital calibration, instead of a screwdriverIncludes a cap, batteries, lanyard, and carrying caseProbe: detachable platinum electrodesAccuracy: +/- 2%Power source: three 1.