MW600 Dissolved Oxygen Meter: Range: 0.0 – 19.9 ppm by Milwaukee Instruments. **** PRODUCT MANUAL **** “Open Air” Calibration Procedure for the MW600 Dissolved Oxygen Meter Milwaukee’s Smart meters are manufactured to be easy to use, practical and accurate. Ideal for the classroom, laboratory or for general field use. There’s a model to fit a range of specifications. MW600 Specifications: - Range: 0.0 - 19.9 ppm - Resolution: 0.1 ppm - Accuracy: ± 1.5% full scale - Calibration: Manual 1 or 2 points - Temp. Compensation: Automatic from 0 - 30°C - Battery type/life: 1 x 9V / 300 hours (Included) - Environment: 0 – 50°C/95% RH Max - Probe: Included