| Measurement parameters | Residual chlorine, chlorine dioxide, compound residual chlorine, total chlorine, nitrite, dissolved oxygen, ammonia nitrogen, iron, copper |
| Residual chlorine Measurement range | 0~2.5mg/L |
| ClO ³ Measurement range | 0~5.0mg/L |
| Residual chlorine Measurement range | 0~2.5mg/L |
| Total chlorine Measurement range | 0~5.0mg/L |
| NaNO2 Measurement range | 0~0.3mg/L |
| DO range | 0~12mg/L |
| Ammonia nitrogen Measurement range | 0~10mg/L |
| Iron Measurement range | 0~0.8mg/L |
| Copper Measurement range | 0~2.0mg/L |
| resolution | 0.001mg/L |
| Sexual repeability | 2% |
| Error of indication | ±5%FS |
Warranty days: 365 days
The manufacturer provides a 1-year free warranty (except for human factors)