Sensor for the measurement of chlorine dioxide, amperometric 2-electrode system with surfactant-resistant membrane. 

  • Measurand(s): Chlorine dioxide
  • Calibration: at the controller, via analytical chlorine dioxide determination by DPD-1 method
  • Interferences: O3 is measured with a 25-times higher sensitivity as ClO2 , Cl2 does not interfere
  • pH range: 1 … 11
  • Pressure range: 0 … 1 bar, no pressure surges and/or fluctuations
  • Temperature range: 0 … 50 0C, (no ice crystals in test water allowed)
  • Integrated automatic temperature compensation
  • Response time: T90 approx. 90s
  • Flow rate: approx. 30 l/h, low flow-dependence
  • Shaft length: standard 175 mm, and up to 220 mm in length (mA-Version)
  • Connection: standard 4-pole plug; for mA-version 2-pole terminal, M12 male or Modbus RTU with M12 male
  • Material: PVC-U, stainless steel 1.4571, semipermeable membrane
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