Digital 4-in-1 Water Quality Tester — pH/TDS/EC/Temp Meter with Auto Temp Compensation & Large LCD

Handy 4-in-1 digital meter for measuring pH, TDS, EC and temperature with a large, easy-to-read LCD that shows temperature simultaneously with readings. Automatic temperature compensation includes three nonlinear EC→TDS conversion factors (KCl, 442TM, NaCl) and uses three temperature coefficients to ensure accurate results. Designed for simple, reliable use — includes auto power-off, data hold and a low-battery indicator for convenient, multifunction operation.