DOSASens OZ7

Sensor for the measurement of dissolved ozone in water – with surfactant-resistant membrane.

  • Measurand(s): Ozone 
  • Calibration: at the controller, analytical determination by DPD-method
  • Interferences:
    • Cl2: OZ7H: increase of measuring value by 1.5%
    • Cl2: OZ7N: negligible
    • ClO2: for OZ7N-version it leads to an increase of the measuring value of about 6 %
  • pH range: 2 … 11
  • Pressure range: 0 … 1 bar, no pressure surges and/or fluctuations
  • Temperature range: 0 … 45 0C
  • Integrated automatic temperature compensation
  • Response time: T90 approx. 50 s,
  • 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
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