量程:余氯:0.00 to 2.00 mg/L Cl2, 总氯:0.0 to 8.0 mg/L Cl2,解析度:0.01mg/L;0.1mg/L
量程:余氯:0.00 to 2.00 mg/L Cl2:总氯:0.00 to 2.00 mg/L Cl2,解析度:0.01mg/L
量程:0.00 to 2.00 mg/L Cl2,解析度:0.01mg/L