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>> Information
The self-cleaning COD sensor uses the detection principle of UV absorption to measure the organic matter in the water. The sensor adopts double optical path structure design, which can automatically eliminate the interference of turbidity and ambient light. It has the advantage of long life, maintenance free, no reagent, no pretreatment, and fast response speed. It can be used in surface water, groundwater, municipal sewage, industrial wastewater and other applications that require long-term warning and monitoring of COD.
>> Characteristics
Self-cleaning window film coated to reduce microbial contamination;
Self-cleaning wiper can secondary clean window surface;
The instrument realizes automatic compensation of background light through dual beam system;
No sample pretreatment, fast reaction analysis, no reagents, no sampling equipment;
Fast measurement speed, real-time online working;
No secondary pollution, no need for chemical reagents;
Low maintenance cost, flexible installation, simple and easy to construct.
>> Parameters
| Specification | Details |
| Size | Φ45mm*215mm (length) |
| Weight | 0.74KG |
| Main Material | 316 Stainless Steel + POM |
| O ring: viton ring+ rubber ring | |
| Cable: PVC | |
| Waterproof Rate | IP68 |
| Measuring Range | 0.1~1000mg/L (equiv. KHP) ( 200mg/L, 500mg/L available) |
| Temperature: 0~50℃ | |
| Measuring Accuracy | ±2% or 0.5 mg/L (equiv. KHP)take the bigger one |
| Temperature: ±0.5℃ | |
| Resolution | 0.1mg/L (equiv. KHP) |
| Temperature: 0.1℃ | |
| Data Output | RS 485, Modbus |
| Power | DC 12~24V, current < 50mA |
| Storage Temperature | -20℃~+60℃ |
| Working Temperature | 0~50℃ |
| Pressure Range | ≤1Mpa |
| Cable Length | 5m standard cable, other length can be optional; |
| Guarantee Period | 12 months |
| 1. Optical measuring window |
| 2. Cleaning wiper |
| 3. Body housing Stainless steel |
| 4. Waterproof connector |
