Combined logging with GLP DO/Temp bench meter; range: DO: 0.00 to 45.00 mg/L (ppm) and 0.0 to 300.0%; Temp -5°C to 55.0°C. Resolution: 0.01 ppm to 0.1%, 0.1°C. Automatic calibration in one or two points at 0% (with MA9070 solution) or 100% (in air) of O2. Automatic altitude compensation 0 to 4000 m. Automatic salinity compensation 0 to 40 g/L. Automatic temperature compensation 0.0 to 50.0°C. Supplied complete with DO probe MA840, electrolyte solution MA9071S, 2 membranes, Mi5200 software, RS232 connection with 2 meter cable, 12 VDC adapter and calibration solution.