Ammonia-Nitrogen Sensor for Water Quality

The integrated online ammonia-nitrogen sensor is manufactured using a PVC-membrane-based ammonia-selective electrode and is designed to measure the concentration of ammonia ions in water.

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Our changjia are novel in design in this industry.

Product Features

1.Signal Output: RS-485 bus, Modbus/RTU protocol, for easy connection to third-party devices such as PLCs, DCS systems, industrial control computers, general-purpose controllers, paperless recorders, or touchscreens;

2.Patented ammonium ion electrode; the internal reference electrolyte diffuses extremely slowly through the microporous salt bridge under a pressure of at least 100 kPa (1 bar). This reference system is highly stable, and the electrode has a longer service life than standard industrial electrodes;

3.Easy to install: 3/4 NPT pipe thread, suitable for submersible installation or mounting on pipes and tanks;

4.IP68 protection rating.

Applications

Ammonia-nitrogen sensors are widely used in drinking water sources, wastewater treatment facilities, industrial wastewater discharge points, and other locations, playing a crucial role in ensuring water quality safety and preventing water source pollution. At the same time, their compact size, ease of installation, and simple maintenance have led to their widespread adoption in the field of water quality monitoring.

Technical Specifications

Measurement Range	0–100 mg/L
Resolution	0.1 mg/L
Measurement Accuracy	±5% F.S.
Operating Temperature	0–50°C
Operating Pressure	<0.3 MPa
PH Range	4–10 PH
Temperature Compensation	Automatic temperature compensation (Pt100)
Supply Voltage	12–24 VDC ±10%
Signal Output	RS-485, Modbus/RTU protocol
Wetted Materials	PVC and POM
Mounting Method	3/4" NPT thread, immersion installation
Cable Length	Standard 10 m, customizable
Calibration Method	Two-point calibration
Power Consumption	<0.2 W
Protection Rating	IP68

Product Introduction:

High-quality fit for John Deere parts

Price: by request

Raw Material: Iron Castings / Steel Castings/Forged/Weldings

Service:
According to customer's detailed drawings or samples.

Machining Equipment:
CNC machine，Machining Center,Robot automatic line,Rocker drilling,CNC milling machine,Special Drilling Machine,Ultrasonic cleaner.

Quality Certification:ISO9001

Delivery Time for Samples:CNC：15-20 days for samples making
Testing Equipment:
Spectrograph; Mechanical Test Equipment; Hardness Tester; Dye penetrant；Impact inspection；Salt spraying test；Roughness Tester; Dimension Checking Tools; M.T; U.T; CMM

Surface Treatment:
Power Coating; E-Coating; Plating Zn / Cr / Ni; Blackening; Dacromet; Hot Galvanizing;

Transportation:

By sea shipment

By air shipment

Ammonia-Nitrogen Sensor for Water Quality 8

Some design deficiencies of changjia are overcome by the dedicated team.

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