Precise Portable PH/TDS/EC/TEMP Four-in-one Tester Pen Multi-function Tester Pen Water Quality Detector Conductivity digital

الوصف

The instrument can read accurate dataTDS/PH/EC/thermometer 4 in 1Measuring range: pH: 0.00-16.00 ph; TDS: 0-19990 ppm; EC: 0-19990 μs/cmResolution: 0.01 ph; 1 ppm; 1 μs/cm; 0.1 ° C; 0.1 °FAccuracy: ph: +/- 0.01 ph; TDS/EC: +/- 2%; temperature: 0.5 °CBattery: 3*1.5V LR44 button battery (not included)Temperature: 0.1-60.0 ° C; 32.0-140.0 ° FCalibration: ph: three-point automatic calibration (6.86 & 4.00&9.18 ph); TDS: 1413 μs/cm; EC: 1413 μs/cmAuto off: 5 minutes