KWS-290 Digital Ammonia Nitrogen Sensor Overview, Wiring & Data Reading

Water quality sensor
February 23, 2026
Video Description:
In this video, we provide a comprehensive overview of the KWS-290 digital ammonia nitrogen sensor. You'll see a detailed walkthrough of its key features, learn how to properly wire the sensor, and discover how to read and interpret data using its RS-485 MODBUS interface. Gain practical insights into installation, calibration procedures, and real-world applications for urban sewage treatment monitoring.