Sensor COS 1Detects gas concentrations through electrolytic current which results from gas electrolysis.


Detection Principle
Basic Circuit

cos structure


Sensor Performance

cos performance



  • Extremely sensitive-1ppm of CO detectable.
  • Selective sensitivity to gases, most suited to detection of toxic gas.
  • Superior linearity at low concentration, suitable to analytical applications.
  • High immunity to interfering gas.