Total-Chlorine/Residual-Chlorine Sensor

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Principle :	Membrane Amperemetry
Detection limit:	0.005ppm
Range:	0 ~ 2、5、20ppm
Resolution :	0.001ppm
Output :	4-20mA / RS485 (support Modbus protocol)
Protection:	IP68

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Product Description

Description

Features

Parameters

Description:

Digital total chlorine/residual chlorine sensor, developed based on membrane ampere method, special permeable membrane is not affected by pH value changes and has the characteristics of resistance to chemicals and surfactants. The sensor adopts membrane electrode measurement technology, the sensor does not form interference in the electrolyte, has higher accuracy, stability and anti-interference ability; real-time process measurement, no need to replace reagents, no waste liquid discharge, not affected by sample color, with RS485 output.

Features:

Membrane ampere method
Built-in temperature compensation
Not affected by pH
Resistant to surfactants
Wide range, high accuracy
Detection limit as low as 0.005ppm
Waterproof grade IP68
RS485 digital interface, standard Modbus communication protocol

Parameters:

Product	Total-Chlorine/Residual-Chlorine Sensor
Measuring principle	Membrane Amperemetry
Range	0 ~ 2、5、20ppm
Resolution	0.001ppm
Detection limit	0.005ppm
pH	4~12
Operating Temp.	0~45℃
Operating pressure	≤ 3bar
Temp. compensation	Integrated temperature sensor, automatic temperature compensation
Flow requirement	30L/h
Response time	2min
Calibration method	Comparison and calibration with DPD analysis results
Output	4-20mA / RS485 (support Modbus protocol)
Protection	IP68
Size	ø 25 × 175 mm
Connection Type	Current type: 2-position terminal/5-pin M12 male; Digital type: 5-pin M12 male connector;
Wetted material	PVC-U/PEEK/stainless steel, microporous hydrophilic membrane