BWS-NO3N Nitrate Nitrogen Online Sensor

The Nitrate 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 the 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	Technical Specification
Measurement Method	Ion-selective electrode method
Monitoring Parameters	Nitrate nitrogen (NO₃⁻-N), pH, temperature, chloride ions (Cl⁻)
Measurement Range	Nitrate nitrogen: 0.1–1000 mg/L pH: 0–14 Chloride ions: 0.1–1000 mg/L
Accuracy	≤±3%
Repeatability	≤2%
Resolution	Nitrate nitrogen: 0.01 mg/L Chloride ions: 0.01 mg/L pH: 0.01
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
Power Supply/Consumption	12/24 VDC, <0.5 W
Material	Stainless steel, POM
Weight	0.6 kg
Dimensions	205 mm × Ø45 mm