BWS-NH3N Ammonia Nitrogen Online Sensor

The Ammonia Nitrogen Online Sensor is a water quality online analysis instrument developed based on a digital water quality analysis platform. Featuring an integrated design, it employs industrial online ion-selective electrodes and adheres to a digitalized, intelligent sensor design philosophy. The instrument integrates functionalities such as electrode signal detection, pH compensation, temperature detection and automatic compensation, and digital signal conversion. With RS485 output supporting standard Modbus protocol, it facilitates network integration and system compatibility, making it widely applicable in industries such as surface water monitoring and pollution source analysis.

●High-quality imported online ion-selective electrode for long-term stable operation.

Parameter	Specification
Measurement Parameters	Ammonia nitrogen, pH, temperature
Measurement Method	Ion-selective electrode method
Measurement Range	Ammonia nitrogen: 0.1–1000 mg/L pH: 0–14 Temperature: 0–60°C
Resolution	Ammonia nitrogen: 0.01 mg/L pH: 0.01
Accuracy	≤±3%
Repeatability	≤2%
Detection Limit	0.1 mg/L
Response Time	≤60 s
Zero/Span Drift (24h)	≤±3% F.S.
Calibration Interval	3 months
Temperature Range	0–60°C
Protection Rating	IP68
Communication	RS485 (Modbus RTU protocol), max. baud rate: 115200 bps
Power Supply/Consumption	12/24 VDC, <0.5 W
Material	Stainless steel, POM
Weight	0.6 kg
Dimensions	205 mm × Ø45 mm