Flange Wired Zirconia Oxygen Sensor

Long-Life, Non-Depleting Oxygen Measurement

Key features

  • Industrial grade oxygen sensor
  • 0.1…100% O2 (2mbar to 3bar ppO2) measurement range (with electronics interface)
  • Linear across its range
  • No reference gas requirement
  • 12mm diameter
  • Operating temperature range -100…+250°C (-148°F…+482°F)
  • Response time <4 secs
  • Stainless steel construction
  • Vibration resistance 5G repetitive, 30G incidental
  • Ø3.2mm mounting holes
  • 0.4m cable with Molex connector

  • Electronic Board sold separately


The Flange Wired Zirconium Dioxide Oxygen Sensor is designed for easy sealing into a manifold or sampling chamber. Favoured by PST’s aerospace customers and in applications that require high temperature and pressure operation.

PST’s range of zirconia oxygen sensors use a unique closed loop measurement system. While the sensor continuously measures the oxygen level, a heartbeat signal is also generated providing an immediate warning of any failures.

Their long operating life is due to the non-depleting sensor cell technology. No reference gas is required and easy single point calibration can be performed in any known gas including fresh air.

The Flange Wired oxygen sensor offers complete with 0.4m of 5 single strand 20AWG cables and MOLEX 39-01-2060 connector, a temperature range of -100 to +250⁰C and response time of less than 4 seconds. The oxygen sensor offers a linear output signal, a lifetime of up to 10 years (depending on the application) and covers an oxygen range 0.1 to 100% O₂.


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