量程:余氯:0.00to5.00mg/LCl2总氯:0.00to5.00mg/LCl2, 精度:±2 mg/L@100mg/L ±0.02mg/L @ 1.00 mg/L
量程:余氯:0.00to5.00mg/LCl2总氯:0.00to5.00mg/LCl2,