4 In 1 TDS PH Meter PH/TDS/EC/Temperature Meter With ATC Digital Water Quality Monitor Tester for Pools, Drinking Water

► Measuring range: pH:0.00-14.00pH; TDS: 0-19990ppm; EC: 0-19990muS/cm

► Resolution: 0.01 pH; 1ppm; 1muS/cm; 0.1℃; 0.1degF

► Accuracy: pH: +/-0.01 pH; TDS/EC: +/-2%; Temp: 0.5℃

► Batteries: 3 * 1.5V LR44 button cell (not included)

►Temp.: 0.1-60.0℃; 32.0-140.0degF

►Calibration: pH: three points automatic calibration (6.86 & 4.00 & 9.18pH); TDS: 1413muS/cm; EC: 1413muS/cm

►Auto shut off: 5 Minutes Label: Yes