Power Supply : DC 5V Adapters, Using AC 220V /50HZ
Dissolved Oxygen Accuracy : +-0.2mg/L or ppm
Feature : One or Two points calibration (100% in air, 0% in zero oxygen solution), Automatic temperature compensation for best accuracy under fluctuating temperatures, Automatically compensates salinity and barometric pressure after manual input for increased
Usage/Application : Agriculture, Soil Analysis, Fisheries, Water Quality Control, Water Works, Breweries, Water Purification, Chemical & Pharmaceutical Industries