量程/解析度/精度:余氯0.00to2.50mg/L0.01mg/L±0.03mg/L± 3%,总氯0.00to3.50mg/L0.01mg/L±0.03mg/L±3%,pH:5.9to 8.5 pH:0.1pH±0.1pH
量程/解析度/精度:余氯0.00to2.50mg/L0.01mg/L±0.03mg/L ±3%,总氯0.00to3.50mg/L0.01mg/L±0.03mg/L±3%, pH:5.9to8.5 pH:0.1pH±0.1pH