HR free and total chlorine photometer: Range Free Chlorine 0.00 to 10.00 mg/L (ppm), Total Chlorine 0.00 to 10.00 mg/L (ppm)
HR free and total chlorine photometer: Range Free Chlorine 0.00 to 10.00 mg/L (ppm), Total Chlorine 0.00 to 10.00 mg/L (ppm)