Dissolved Oxygen Specification.....

Range: 0.0 to 10.0 mg/L
Resolution: 0.01 mg/L
Accuracy: ±0.4 mg/L ±3% of reading
Typical EMC Eviation: ±0.01 mg/L
Light Source: Tungsten lamp with narrow band interference filter @ 420 nm
Method: Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Azide modified Winkler method. The reaction between dissolved oxygen and the reagents causes a yellow tint in the sample.