Sofrel Chlorine: Chlorine trend monitoring device and alert station


Energy self-sufficient and communicating, the SOFREL Chlorine solution measures active chlorine online in drinking water distribution networks. Using a complete device (SOFREL LS42 data logger, chlorine sensor, clamp and cables), SOFREL Chlorine records the chlorine level in the network at regular intervals and alerts operators and centralization if the threshold is exceeded. As an option, it is possible to complete the device with a CPR pressure sensor in order to measure the quality of service.


Designed to monitor the chlorine level in drinking water distribution networks, the SOFREL Chlorine solution takes measurements at regular intervals and alerts operators if the minimum or maximum chlorine threshold is detected.

Consisting of a SOFREL LS42 data logger, a chlorine sensor, a mounting device and a pressure sensor (optional), SOFREL Chlorine is a complete measurement kit that allows performance optimization drinking water networks. Offering up to 3.5 years of autonomy, communicating in 2G/4G and waterproof (IP68), SOFREL Chlorine also has an integrated high-capacity antenna as well as a sampling valve for calibrating the chlorine sensor.


Simple to install, SOFREL Chlorine is easy to deploy on pipes (steel, fiber cement, cast iron, PE and PVC-O) without loss of pressure and without interruption of the water supply. The complete solution kit also includes flanges suitable for pipes ranging in diameter from DN60 to DN300. To facilitate implementation, the chlorine sensor is directly configured in the SOFTOOLS software and remotely powered and controlled by the SOFREL LS42 data logger.


This new SOFREL solution combines simplicity of installation and configuration to optimize network performance. Deployed to monitor chlorine at critical, strategic, interconnection or end-of-network points, the solution also makes it possible to:

• Measure the pressure via the sensor (option) controlled and remotely powered by the data logger;

• Measure the level of service quality;

• Monitor flow rates and volumes;

• Send alarms in the event of intrusions, overflows or threshold overruns.

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