Handheld waterproof ec / tds & temperature combo meter com-100 hm digital
UPGRADED! (See below) 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. The COM-100 is a professional level EC/TDS meter at an unbeatable price.
Measures electrical conductivity (EC), total dissolved solids (TDS), salinity and temperature.
UPGRADED: Four scales: µS, mS, ppm, ppt (mS and ppt are new)
Three different non-linear EC-to-TDS conversion factors (KCl, 442TM, NaCl).
Automatic Temperature Compensation (ATC) using three temperature coefficients