Digital Portable Dissolved Oxygen Meter (DO Meter) Model: MW600 PRO

SPECIFICATIONS
Fast, easy-to-read results with large digital LCD readout
Repeatable, accuracy to ±1.5% FS
Lightweight and portable
Simple 2 point open air calibration (see video below)
Uses MA840 reinforced polarographic probe with an oxygen-permeable polytetrafluroethylene (PTFE) membrane sensor
5 o-rings, membranes and one protective cap included
10 feet probe cable for extra flexibility when testing
70 hours of battery life with continuous use (battery included) with low battery warning
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
Probe: MA840 refillable polarographic probe included
Membranes: 5 included
Environment: 0 to 50°C / 32 to 122°F; max RH 95%
Battery Type: 1 x 9V alkaline (included)
Battery Life: Approx. 70 hours of continuous use
Dimensions: 5.7 x 3.1 x 1.6 inches
Weight: 7.5 ounces with battery