Krohne - OPTISENS CL 1100

  • For use with MAC 100 analytical transmitter
  • Process connection: PG13.5
  • Cl2: 0.03…20 mg/l; ClO2: 0.05…5 mg/l; O3: 0.05…5 mg/l; Max. +70°C / +158°F; 6 psi / 87 psi
  • Membrane-free sensor with 2 gold electrodes and sensor cleaning feature

The OPTISENS CL 1100 is a single rod sensor for free chlorine, chlorine dioxide and ozone measurements in potable water. Designed as a membrane-free sensor with two gold electrodes, it has a high chemical and mechanical resistance of the electrode and therefore guarantees a long service life. The disinfectant sensor can be easily adapted to various application requirements. Special mounting assemblies allow for easy installation and reliable measuring results. The sensor also features automatic sensor cleaning. The OPTISENS CL 1100 operates with the MAC 100 analytical transmitter.

Product Highlights

  • Membrane-free design for long-term stability
  • Wide measuring range
  • Low maintenance costs and a long life cycle
  • With Automatic Sensor Cleaning (ASR) feature
  • Various mounting assemblies for easy installation and reliable handling

Typical Applications

Water and wastewater industry

  • Monitoring of potable water quality
  • Disinfection control
  • Process control of water treatment
  • Emergency chlorination for drinking water

Chemical and other process industries, power industry

  • Process water treatment
  • Reverse osmosis protection


  • Disinfection control of swimming pools

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