Professional IP67 Waterproof Pocket Tester (pH/ ORP/ Temp)

pH Range: -2.0 to 16.0 pH,
ORP Range: -1000 to 1000 mV,
Temp. Range: -5.0 to 60.0 °C;
pH Resolution: 0.01 pH,
ORP Resolution: 1 mV,
Temp. Resolution: 0.1°C;
pH Accuracy: ± 0.01 pH,
ORP Accuracy: ±2 mV,
Temp. accuracy: ± 0.5°C
Features: LCD Display: 2 Rows; HOLD function; ATC, Stability Indicator, LOW Battery Indicator
Supplied in a carton box complete with protective cap, 4 x 1.5V batteries and user manual