Power Supply : DC 5V Adapters, Using AC 220V /50HZ
Model Name/Number : LMDO50
Brand : Labman
Accuracy : +- 2.0%
Air oxygen Range : 0 to 200 %
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