The Chemical Oxygen Demand Sensor an intelligent sensor using RS485 communication interface and Modbus RTU standard protocol. COD is measured by 254 nm laser beam and turbidity is compensated by 546 nm laser beam. Chemical Oxygen Demand (COD) and turbidity can be measured simultaneously.
| Monitoring Parameters | Chemical Oxygen Demand |
|---|---|
| Monitoring Principle | Ultraviolet Absorption |
| Power-In | DC12/24V / Solar Power |
| Interface | RS485/RS232/Wifi/BT/LTE |
| Model | ZWQ-COD1 |
|---|---|
| Measuring Principle | Ultraviolet Absorption |
| Measure Range | 0~500mg/L；0~500NTU |
| Measure Resolution | 0.01mg/L；0.01NTU |
| Measure Accuracy | ±7% |
| Interface | RS485（Modbus RTU） |
| Material | 316L Stainless Steel Shell |
| Electrode Cable | 3m |
| Electrode Dimension | D32mm L190mm |
| Power | DC12/24V |
Advantages
- Corrosion resistant shell; NPT3/4 upper thread interface, easy to install.
- It has self-cleaning function to remove the interference of attachments on optical lenses.
- Double-beam measurement technology to ensure the accuracy and stability of measurement.
- Long-life infrared LED light source with a decay period of 5 years and a life of more than 10 years.
- It has the function of calibration record storage, plug and play, and no calibration is needed for the first use.
- Sensor supports hot swap function.
