Ammonia Low Range Specification.....

Range: 0.00 to 3.00 mg/l
Resolution: 0.01 mg/l
Accuracy: ±0.04 mg/L ±4% of reading
Typical EMC Eviation: ±0.01 mg/L
Light Source: Tungsten lamp with narrow band interference filter @ 420 nm
Method: Adaptation of the ASTM Manual of Water and Environmental Technology, D1426-92,Nessler method. The reaction between ammonia and reagents causes a yellow tint in the sample.