| Parameter | : | Chemical Oxygen Demand |
|---|---|---|
| Accuracy | : | ± 5% |
| Resolution | : | 0.01 mg/L |
| Stability | : | ± 2% |
| Response Time | : | 15 seconds |
| Working Life | : | 2 - 5 years according to water quality |
| Recommend Calibration Period | : | 3 - 6 months |
| Calibration Buffer | : | COD calibration buffer, recommend sample water |
| Replacement Parts | : | Clean brush |
| How to maintain | : | In the measurement path of the sensor, the cleanliness of the two measurement windows is critical to the accuracy of the measurement. The measurement windows should be checked once a week for contamination, and the wiper should also be checked once a week for damage. |