ZrO2 sensors

The ZrO2 solid zirconia electrolyte type C-700 is a simple, robust, all ceramic oxygen sensor. It is used for measurement and control of oxygen at high temperature. The sensor can be installed wherever measurement is required — no sampling or gas extraction equipment is needed.


  • Specific for Oxygen
  • High Sensitivity
  • Rapid Response
  • Low Cost Probe Design
  • Wide Dynamic Range
  • In-situ Measurement

Technical data

  • Dynamic Range:  From pure Oxygen down to 10-24 atmospheres
  • Temperature:   700°C to 1700°C
  • Output:  According to the Nernst Equation
  • Sensitivity:  Better than 2 mV
  • Response Time:  Less than 0.5 seconds
  • Diameter:  Ø8 mm Outside, Ø5 mm Bore
  • Length: Any length up to 1400 mm (2 metres on special order)