Free and total chlorine and pH photometer: Range Free Chlorine: 0.00 to 2.50 mg/L, Total Chlorine: 0.00 to 3.50 mg/L, pH: 5.9 to 8.5 pH
Free and total chlorine and pH photometer: Range Free Chlorine: 0.00 to 2.50 mg/L, Total Chlorine: 0.00 to 3.50 mg/L, pH: 5.9 to 8.5 pH