NO3-N / NH4-N composite sensor

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Principle :	Ion selection method
Output:	RS485 (Modbus protocol)
Power supply:	12V~24V
Accuracy:	±5%Rd
Range:	NH4-N：0.1~1000mg/L ； NO3-N：0.1~1000mg/L ；
Max. pressure:	2 bar

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Product Description

Description

Features

Parameters

Description:

Digital nitrate/ammonia nitrogen composite sensor, developed based on ion selection method, made of industrial-grade nitrate ion selective membrane electrode, selectively tests the nitrate ion content in water, with fast response speed and accurate measurement. Built-in temperature sensor, built-in temperature sensor, automatic temperature compensation, suitable for online long-term monitoring environment. Output RS485 digital signal, support MODBUS protocol.

Features:

Ion selection method
On-site plug and play
No sample pretreatment required
Continuous monitoring of NH4-N/NO3-N
Waterproof grade IP68
Internally stores calibration data, supports offline calibration
RS485 digital interface, Modbus communication protocol

Parameters:

Product	NO3-N / NH4-N composite sensor
Principle	Ion selection method
Range	NH4-N：0.1~1000mg/L ； NO3-N：0.1~1000mg/L ；
Resolution	0.01mg/L
Accuracy	±5%Rd
Measuring cycle	1s
Operating pressure	2 bar
Compensation	Automatic temperature compensation
Calibration	Two-point calibration
Output	RS485 (Modbus protocol)
Operating temp.	2℃～40℃
Shell material	PVC
Power supply	12V~24V
Protection	IP68