Professional IP67 Waterproof Portable D.O Meter (Dissolved Oxygen)

Oxygen Range: 0.00 to 45.00 mg/L; %
Oxygen Saturation Range: 0.0 to 300.0%,
Temp. Range: 0.0 to 50.0 °C,
Accuracy: ± 1% f.s, ± 0.5 °C;
Resolution: 0.01 mg/L, 0.1%, 0.1°C
Features: ATC, Auto Altitude Compensation, Auto Salinity Compensation
Supplied with: in carton box, AD8001/3 galvanic DO probe with built-in temperature sensor, spare membrane with O-ring , AD9551 serial communication cable, 1.5V AA alkaline battery (4 pcs), user manual.