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OXY-COMM Zirconia Oxygen Analyser

The OXY-COMM Zirconia Oxygen Analyser is designed for controlled atmosphere applications such as refrigerated transportation containers and fire prevention.

The OXY-COMM Zirconia Oxygen Analyser combines a high accuracy zirconium dioxide oxygen sensor with a networkable, fault tolerant RS485 interface. The oxygen analyser is mounted under a stainless steel hood to protect it from the environment. The IP65 waterproof die-cast aluminium housing accommodates the electronics and has a 4-pole M12 connector to allow multiple devices to be interconnected.

The oxygen sensor inside OXY-COMM uses a unique closed loop measurement system. While OXY-COMM continuously measures the oxygen level, a heartbeat signal is also generated providing an immediate warning of any failures. Due to the innovative design, the OXY-COMM zirconia oxygen analyser does not require a reference gas. Low drift means these products do not require frequent calibration but when they do, it is an extremely simple process which can be performed in fresh air which means there is no need for expensive calibration gases.

The OXY-COMM zirconia oxygen analyser has an 8 to 15Vdc supply voltage range with reverse polarity and transient overvoltage protection. The oxygen analyser is barometric pressure compensated and can be calibrated in fresh air (20.7% O₂) or to any other known O₂ concentration.


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Part Numbering Guide


Supply voltage 8-15Vdc
Bus pin faults +/-60Vdc
Current consumption 950mA at 12Vdc maximum
    Storage -40 to 85⁰C
    OFF mode -40 to 85⁰C
    Standby mode -40 to 70⁰C
    On mode -40 to 60⁰C
    Cleaning mode -40 to 45⁰C
Absolute operating pressure 260 to 1260mbar
Gas flow rate 0-5m/s
Seal rating IP65


Initial output stabilisation time
Oxygen measurement range¹ 0.1 to 100% O₂
Accuracy after calibration in fresh air to 20.7% O₂²
Accuracy after calibration in 100% O₂³
Measurement resolution 0.01% O₂
Response time (10-90%)
Heater warm up times (no oxygen measurement):
    OFF mode to ON mode 60s
    Standby mode to ON mode 20s
    Cleaning mode to ON mode 5s



¹Prolonged operation below 0.1% O₂ will damage the sensing element
²Valid for oxygen measurement range 0.1 to 25% O₂ at SBP (1013.25bar) +/- 100mbar in ambient gas temperatures of -30 to 60⁰C
³Valid for oxygen measurement range 0.1 to 100% O₂ at SBP (1013.25bar) +/- 100mbar in ambient gas temperatures of -30 to 60⁰C


Brad Harrison style 4-pin M12 connector Code A


Pin Designation
1 8-15Vdc
2 RS485 A (+)
3 0Vdc
4 RS485 B (-)


  • Zirconium dioxide technology
  • Small sensing element
  • Networkable, fault tolerant RS485 interface, short circuit and overvoltage protection
  • 8-15Vdc supply voltage with reverse polarity and transient overvoltage protection
  • Can be calibrated in fresh air (20.7% O₂) or to any other known concentration
  • Barometric pressure compensated


  • Long life, non-depleting technology
  • No reference gas required creating the ability to measure a wide oxygen range
  • No need for temperature stabilisation
  • Linear output signal
  • Can be used in high pressure and temperature environments
  • Simple recalibration if/when required
  • Full technical and application support available
  • This field is for validation purposes and should be left unchanged.