Chlorine sensor with membrane-covered, amperometric 3-electrode system. For the mea-surement of free inorganic chlorine with reduced pH-dependence in sea water. 

  • Measurand(s): NaClO (sodium hypochlorite), Ca(OCl)2 (calcium hypochlorite), Cl2 (chlorine gas), electrolytically generated chlorine
  • Calibration: at the controller, via analytical chlorine determination by DPD-1 method
  • Interferences: 75 % of ClO2-concentration, 80 % of O3–concentration, combined chlorine may increase the measuring value
  • pH range: 4 … 9
  • Pressure range: 0 … 3.0 bar, no pressure surges and/or fluctuations,
  • Temperature range: 0 … 45 0C
  • Integrated automatic temperature compensation
  • Response time: T90 approx. 2 min.
  • 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, PEEK, stainless steel 1.4571, microporous hydrophilic membrane
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