Milwaukee Instruments DO Meter
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This portable meter measures dissolved oxygen with a polarographic probe and is suitable for a wide range of applications such as educational, aquaculture, and water & environmental analysis.

O2 Range: 0.0 to 19.9 mg/l
O2 resolution: 0.1 mg/l
O2 Accuracy: ±1.5% Full Scale
Calibration: manual on 2 points (zero and slope)
Temperature Compensation: automatic, from 0 to 30°C