Sensor for the measurement of free inorganic chlorine with an open measuring cell. Optionally available with RV1 cleaning device.

• Measured variable(s): Free chlorine from sodium hypochlorite or chlorine gas and chlorine generated by membrane electrolysis
• Calibration: at the controller by DPD 1 method
• Interferences: Ozone, chlorine dioxide and chlorite are also measured
• pH range: 5‒9
• Pressure range: 0‒8 bar
• Temperature range: 0‒50 °C (AS2), 0‒70 °C (AS3)
• Integrated automatic temperature compensation
• Response time: T90 approx. 30 s
• Flow rate: approx. 30 l/h
• Shaft length: standard 175 mm (mA version up to 220 mm)
• Connection: standard 4-pin plug; mA version 2-pole terminal, M12 socket or modbus RTU with M12 socket
• Material: PVC-U (AS2), PEEK (AS3)