Online Wall-Mounted Residual Chlorine Controller

Online Wall-Mounted Residual Chlorine Controller is an intelligent wall-mount type online analyzer for continuous monitoring of free residual chlorine / total chlorine in water. It adopts a standard wall-mounted structure for easy installation in water treatment rooms and on-site cabinets.

This controller supports real-time display of chlorine concentration and temperature, with automatic temperature compensation to ensure accurate measurement. It provides RS485 MODBUS-RTU communication, 4–20mA analog output, and relay control for dosing pump or disinfection equipment.

It features high stability, simple calibration, power-off data storage, strong anti-interference ability and IP65 protection grade. The wall-mounted design makes it convenient for operation, calibration and daily maintenance.

It is widely used in drinking water plants, tap water supply, swimming pools, circulating cooling water, disinfection systems and municipal water treatment.

Industrial Wall-Mounted Chlorine Controller001

Wall-Mounted Chlorine Controller for Drinking Water001

The Online Wall-Mounted Residual Chlorine Controller is a compact and reliable monitoring device designed for continuous measurement and control of residual chlorine in water treatment systems. Engineered for wall-mounted installation, the Online Wall-Mounted Residual Chlorine Controller combines space-saving design with high measurement accuracy, making it ideal for municipal water supply, swimming pools, wastewater treatment plants, and industrial process water applications.

This advanced Online Wall-Mounted Residual Chlorine Controller works with high-performance residual chlorine sensors to provide real-time detection of free chlorine or total chlorine concentration. With automatic temperature compensation and intelligent calibration functions, it ensures stable and precise readings even under fluctuating environmental conditions. The controller helps optimize chlorine dosing, improve disinfection efficiency, and maintain compliance with water quality standards.

Equipped with a clear LCD display and intuitive operation menu, the device allows users to easily monitor chlorine levels, temperature, system status, and alarm information. For system integration, the Online Wall-Mounted Residual Chlorine Controller supports 4–20 mA analog output, RS485 Modbus communication, and programmable relay control. These features enable seamless connection to PLC or DCS systems for remote monitoring and automatic chemical dosing control.

Designed with a durable, corrosion-resistant enclosure, the controller ensures long-term stable operation in humid and chemically demanding environments. Its simple installation, low maintenance requirements, and dependable performance make the Online Wall-Mounted Residual Chlorine Controller an ideal solution for safe, efficient, and intelligent chlorine management.

Wall Mount Chlorine Controller for Tap Water001

Technical Parameters

Category	Parameter	Specification
Ozone	Measurement range	0.00～20.00 mg/L or 0.000~2.000 mg/L (customizable)
	Resolution	0.01 mg/L
	Accuracy (electronic unit)	±0.10 mg/L
Temperature	Measurement range	-10.0～130.0°C
	Resolution	0.1°C
	Accuracy (electronic unit)	±0.3°C
	Temperature input	PT1000
	Temperature compensation	Automatic/manual
Transmitter Current	Output type	2 channels of 4~20 mA (adjustable range)
	Current accuracy	±1% F.S.
	Output load	<500 Ω
Switch Control	Functional relay	1 (configurable for cleaning/alarm)
	Switch relay	2 SPST relays
	Load capacity	2.5A 230VAC
Data Transmission	Interface	1 RS485 with 2500Vrms isolation
Data Transmission	Communication protocol	MODBUS-RTU (bidirectional read/write)
Other Parameters	Power supply	85～260VAC or 18～36VDC (user-selectable before order)
	Operating temperature	0～60°C
	Operating humidity	Relative humidity <90%
	Protection rating	IP65
	Installation method	Panel-mounted
	Dimensions	108×108×132 mm (H×W×D)
	Cutout dimensions	92.5×92.5 mm (positive tolerance)

Wall-Mounted Chlorine Controller for Swimming Pool001

Wall-Mounted Chlorine Controller for Water Works001

Product Features

High-precision measurement: Ozone measurement accuracy up to ±0.10 mg/L, temperature measurement accuracy ±0.3°C, suitable for precise industrial detection.
Stable and reliable: Dual hardware and software anti-interference design with adjustable digital filtering, adaptable to complex industrial environments.
Intelligent control: Provides 2 channels of 4~20mA transmitter output and 2 programmable relays (cleaning/alarm) to meet automation control needs.
Remote monitoring: Supports RS-485 communication (MODBUS-RTU protocol) for remote data reading and device control.
Robust and durable: IP65 protection rating, wide power input range (85~260VAC/18~36VDC), suitable for harsh industrial environments.
User-friendly operation: 128×64 dot-matrix LCD screen with Chinese/English language switching and graphical interface for simple and intuitive operation.
Flexible installation: Standard panel-mounted design (cutout 92.5×92.5mm), suitable for various industrial scenarios.