Sensor for the measurement of chlorine dioxide. Membrane-covered, amperometric, 2-electrode measuring system.

  • Measured variable: Chlorine dioxide
  • Calibration: at the controller, via analytical chlorine dioxide determination by DPD 1 method
  • Interferences: Cl₂ does not interfere, O₃ is measured at a factor of 25 compared with ClO₂
  • pH range: 2-11
  • Pressure range: 0‒1 bar, no pressure surges and/or fluctuations
  • Temperature range: 0–50 °C (no ice crystals in the sample water) 
  • Integrated automatic temperature compensation
  • Response time: T90 approx. 60 s
  • Flow rate: approx. 30 l/h, low flow dependence
  • 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, semi-permeable membrane
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