SPECIFICATIONSRange0.00 to 5.00 ppmResolution0.01 ppmAccuracy±0.04 ppm ±2% of reading @ 25 °CTypical EMC Dev.±0.01 ppmLight SourceLight Emitting Diode @ 525 nmLight DetectorSilicon PhotocellMethodAdaptation of the EPA Phenantroline method 315B, for ...