岛津水质多参数在线监测仪 WQMA-4210 - 指标

  规格

  测量范围 测量原理 重复性误差 零点漂移 量程漂移 响应时间
pH 0~14 玻璃电极法 ± 0.1 pH N/A N/A 15S
溶解氧 0~20 mg/L 荧光法 SD≤0.3 mg/L ±0.3 mg/L ±0.3 mg/L 60S
电导率 0~200,000 uS/cm 四极式石墨电极法 RSD ≤ 1% ±1% FS ±1% FS 15S
浊度 0~4000 NTU 散射法 RSD ≤ 5% ±3% FS ±5% FS N/A
水温 0~55 ℃ PT1000 ± 0.5 ℃ N/A N/A N/A
总氯*1 0~20 mg/L*2 覆膜法 RSD ≤3% ±2% FS N/A 2.5min
余氯*1 0~20 mg/L*2 覆膜法 RSD ≤3% ±2% FS N/A 2.5min

*1 为防止电极损坏,上电前必须加注电解液。
*2 电极实际使用量程可在0-20mg/L范围内按照水样具体浓度要求进行设定,并实施校正。

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