HM Digital COM-100 HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter, White/Purple

Specifications: 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 coefficients Waterproof Measurement range: 0-9990 µS; 0-8560 ppm. Auto-off function, data-hold function and low-battery indicator. Display: large and easy-to-read LCD screen includes simultaneous temperature reading. Factory calibrated: the COM-100 meter is calibrated with a 1413 µS solution. The meter can be re-calibrated with digital calibration using the push buttons, rather than a screwdriver Includes a cap, batteries, and lanyard Ideal for all water purification applications, waste water regulation, aquaculture, hydroponics, and more