Digital Ammonia Nitrogen Sensor RS485 For Industrial Wastewater NH4 - N Measuring
There are several ways to determine Ammoniacal-nitrogen, but the measuring principle can be divided into two categories : colorimetric and ion selective electrodes (ISE).
Colorimetric techniques use a reagent to produce a colour change proportional to concentration which is then photometrically measured but this technique can suffer interference from turbidity and other dissolved species.
The DRFN digital NH4-N sensor uses ion Electrode Method. The probe integrates ammonium ion, pH and reference electrode, temperature electrode, potassium ion (optional).
Ammoniacal-nitrogen measurement is an important water quality parameter used to indicate water pollution and the presence of untreated sewage. NH350 Ammonia nitrogen sensor can measure the Ammoniacal-nitrogen online in real-time. During the detection process, no reagents need to be added.
Advantages Of The Ammonia Nitrogen Sensor
- NH350 probe can realize online real-time monitoring, without adding any reagents during the detection process, and no secondary pollution.
- The Ammonia Nitrogen sensor automatically compensates for potassium ions (optional), pH and temperature in the water body.
- Drop-in installation, no special sampling equipment. The measurement process responds quickly in real time without waiting.
- The NH4-N sensor has a self-cleaning brush, which can prevent microorganisms from adhering, and has a longer service life, which effectively reduces the frequency of maintenance.
- Digital sensor, RS-485 output, support MODBUS.
- The material of the shell is POM, which is smooth and shiny, it has the high hardness, high rigidity, high wear resistance characteristics.
Application Of The Ammonia Nitrogen Sensor
It is suitable for the detection of ammonia nitrogen in nitrification treatment (aeration tank) industrial wastewater of municipal sewage treatment plants.
Technical Data Sheet
| Product Name | Ammonia Nitrogen sensor |
| Product Model | NH350 |
| Measuring Principle | Ion Electrode Method. |
| Measuring Range(NH4-N) | 0.01~100mg/L 0.05~1000mg/L |
| Accuracy(NH4-N) | Less than 10% of the measured value or ±0.1mg/L, take the larger one |
| Resolution(NH4-N) | 0.01mg/L |
| Measuring Range(pH) | 0~14pH |
| Accuracy(pH) | ±0.1pH |
| Resolution(pH) | 0.01 |
| Disturbance | K+: 0.1~1000mg/L |
| Temperature Range | 0 ~ 50℃ |
| Accuracy(TEMP) | 0.1℃ |
| Response Time | Reach 90% of the measured value within 180 seconds |
| Protection Grade | IP68 |
| Deepest Depth | 10 meters underwater |
| Sensor Interface | Support RS-485, MODBUS protocol |
| Assembly | Investment |
| Power Information | DC9~24 VDC±10%, current<50mA |
| Probe Cable Length | Default 10m(custom) |
| Shell Material | POM |
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Industrial Wastewater Digital Ammonium Analyzer RS485 NH4 - N Measuring Images
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