Residual chlorine/total chlorine
  1. Range: （0.00～5.00）mg/L; （0～5）mg/L
  2. Resolution: 0.001mg/L 0.001ABS
  3. Accuracy:≤1mg/L: ±0.05 mg/L: ˃1mg/L: ±5%;
Chlorine dioxide
  1. Range: （0.00～10.00）mg/L
  2. Resolution: 0.001mg/L 0.001ABS
  3. Accuracy: ≤2mg/L: ±0.10 mg/L,˃2mg/L: ±5%