Waterproof - EC / TDS / Temperature Combo Meter Water Tester

Measures Total Dissolved Solids (ppm), Salinity, Conductivity, and Temperature of Water

HM 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.

• HM Digital Model: COM-100
• Measures electrical conductivity (EC), total dissolved solids (TDS), and temperature
• Three different calibration options (KCl, 442™, NaCl), each with its own non-linear conversion factor
• Automatic Temperature Compensation (ATC) using three temperature coefficients
• Waterproof housing
• Measurement Range: 0-9990 μS; 0-8560 ppm (auto-ranging); 0-80 deg C; 32-176 deg F
• Digital calibration (push button)
• Auto-off function, data-hold function, and low battery indicator
• Large and easy-to-read LCD screen
• Factory calibrated with a 1413 μS solution. The meter can be recalibrated with digital calibration, instead of a screwdriver
• Includes a cap, batteries, lanyard, and carrying case
• Probe: detachable platinum electrodes
• Accuracy:  +/- 2%
• Power source:  three 1.5V button cell batteries (included)