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>> Information
The compound ammonia nitrogen sensor adopts the ion selective membrane electrode detection method. The detection part consists of pH, temperature, reference electrode and potassium ion ( optional) to form a compound electrode. Several parameters in the composite electrode can be modified to reduce interference. Sensor before leaving factory is with internal calibration curve, easy to use. It can be widely used in the online quality monitoring of surface water, groundwater, municipal sewage and pollution sources.
>> Characteristics
The compound electrode design in beneficial to eliminate the influence of interfering ions;
No sample pretreatment, suitable for online monitoring;
New ion sensor membrane head design, long service lift;
Easy maintenance, electrode module design, simple operation;
Optional cleaning device, reduce maintenance workload;
Good reproducibility, long-term stable work.
>> Parameters
| Specification | Details |
| Size | Φ35mm*225mm (length) |
| Weight | 0.25KG |
| Main Material | POM |
| O ring: viton ring+ rubber ring | |
| Cable: PVC | |
| Waterproof Rate | IP68 |
| Measuring Range | 0~1000mg/L (0~10mg/L, 0~100 mg/L for optional) |
| Measuring Accuracy | ±3% standard solution |
| Resolution | 0.01mg/L |
| Compensating parameter | Temperature, pH, K+ ( optional) |
| Data Output | RS 485, Modbus |
| Power | DC 12~24V, current < 50mA |
| Storage Temperature | -20℃~+60℃ |
| Working Temperature | 0~50℃ |
| Depth Range | ≤15 meter depth |
| Calibration Way | One point or two point calibration |
| Cable Length | 5m standard cable, other length can be optional; |
| Guarantee Period | Sensor body 12 months, pH, ammonium, reference electrode 6 months. |
| 1. Protective cap |
| 2. Measuring electrode |
| 3. Body housing Stainless steel |
| 4. Plug |
