KWS-200 Online NH4-N Ammonia Nitrogen Sensor
Introduction
Kacise has taken a significant step forward in the field of environmental monitoring by introducing an innovative online ammonia nitrogen sensor. This remarkable sensor operates without the need for any reagents, a feature that not only simplifies the monitoring process but also aligns with the principles of being green and non-polluting. It offers the advantage of real-time online monitoring, allowing for immediate and continuous access to crucial ammonia nitrogen data.
The sensor is ingeniously integrated with ammonium, potassium (optional), pH, and reference electrodes. These electrodes work in harmony to automatically compensate for potassium (optional), pH, and temperature variations in the water. This advanced compensation mechanism ensures the accuracy and reliability of the measurements, providing valuable insights into the water quality parameters.
One of the standout features of this sensor is its straightforward installation process. It can be directly put into operation, eliminating the complex setup procedures associated with traditional ammonia nitrogen analyzers. This direct installation approach makes it a more economical, environmentally friendly, and convenient option. By reducing the costs and efforts associated with installation, it offers a practical and efficient solution for various monitoring applications.
Furthermore, the sensor is equipped with a self-cleaning brush. This ingenious addition prevents microbial adhesion, which is a common challenge in many sensors. By minimizing the accumulation of microorganisms, the maintenance intervals are significantly extended, reducing the frequency of maintenance and associated downtime. This leads to excellent reliability and consistent performance over an extended period.
In terms of data output and integration, the sensor adopts the RS485 output interface and supports the Modbus protocol. This enables seamless integration with existing monitoring systems and data acquisition platforms, facilitating easy data transfer and analysis. The compatibility with widely used communication protocols ensures smooth interoperability and simplifies the integration process for users.
Overall, Kacise's online ammonia nitrogen sensor represents a breakthrough in water quality monitoring, combining advanced features, ease of use, and reliable performance to meet the demanding needs of modern environmental monitoring applications.
Feature
Digital sensor, RS-485 output, support MODBUS
No reagents, no pollution, more economical and environmentally friendly
Automatically compensates for pH and temperature in water
Self-cleaning brush to prevent microbial adhesion and longer maintenance intervals
Technical Specifications
| Model |
KWS-200 |
| Measuring Range |
0-1000mg/L NH4-N |
| Accuracy |
5% |
| NH4-N Resolution |
0.1 mg/L |
| Ph Range |
4-10 |
| Ph Accurate |
±0.1 |
| Ph Resolution |
0.01 |
| Protection Grade |
IP68 |
| Deepest Depth |
underwater 10 m |
| Temperature Range |
0 ~ 50℃ |
| Output |
RS-485, MODBUS protocol |
| Power Supply |
DC 8~26V, current <50mA |
| Size |
Φ26*177.5 mm |
| Cable Length |
5 m, customizable |
| Material |
POM |
Dimension
Maintenance Methods and FAQ
Maintenance Schedule and Method
1. Maintenance Schedule
It is recommended to periodically calibrate or clean the sensor surface according to the actual application scenario.
2. Maintenance Methods
Sensor maintenance
1) Sensor outer surface: Clean the outer surface of the sensor with tap water. If there is still debris, wipe it with a soft, damp cloth.
2) Check the cable of the sensor: the cable should not be tightened during normal operation, otherwise the cable inside the cable will be broken, causing the sensor to not work properly.
3) Sensor storage: When the sensor is not in use, the black plastic cap should be fastened to check whether the sponge inside is wet. If it is not wet enough, please add 3mol/L potassium chloride solution and let the electrode be placed with potassium chloride. Preserved in the solution.
The Matters Needing Attention
The probe contains sensitive optical and electronic components. Make sure the probe is not subject to severe mechanical shock. Damage to the sensor due to impact or man-made will not be covered by the warranty. The sensor inlet water is not covered by the replacement of the pH electrode.
FAQ
Wiring
1. ammonia nitrogen probe size
64x251 mm (Φ xL)
2. power information
The power supply must be DC 12V +/-5%, current <50mA
3. cable information
4 wire AWG-24 or AWG-26 shielding wire. OD=5mm
Red - power supply (VCC)
White - 485 data _B (485_B)
Green --- 485 data _A (485_A)
Black --- ground line (GND)
Procedure to get NH3_N value
Figure 91:Flow chart to get NH3_N measurement
Start brush active – make the brush active once power on , then the brush will work at the set interval time.
Get temperature and NH3_N values – Get measurement results including temperature (C) and NH3_N (mg/L) after 20 seconds of brush active.
(mg/L) after 20 seconds of brush active.
Note: Please pay attention to highlighted portion (red) in the flow chart above. It’s highly recommended that customers get an average NH3_N results after 10 consecutive measurements, then perform display or other process.
Company Information
Xi'an Kacise is certified by ISO 9001-2008, GJB 9001B-2009, CE, intrinsic safety explosion-proof and isolated safety explosion-proof, etc. which assure our products are conform to the international standards.
We have been specializing in manufacturing pressure, level and flow measuring instruments and related products for 10 years. We have experienced technical and management personnel, through the efforts of our entire staff, we have become a professional measuring instrument manufacturer and solution provider. And we are continuously trying to improve product quality.
Currently, Kacise sensor is already exported to America, Spain, Australia, Chile and 20 other countries and regions, and received many favorable feedbacks. Our overseas distributers are also increasing. We regards “reasonable prices, efficient production time and good after-sales service” as our tenet, and hope to cooperate with more customers for mutual development.
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