Posted in | Image Sensors

XYO Oxygen Sensors for Space Monitoring and Agriculture

The XYO optical oxygen sensors are capable of measuring ambient oxygen partial pressure (ppO2) employing the principle of fluorescence quenching by oxygen. An optional pressure sensor makes it possible to measure barometric pressure (mbar) and can convert the ppO2 reading to an oxygen concentration (O2%). Due to the non-depleting sensing principle, the oxygen sensors feature low power consumption, high accuracy and long lifetimes.

Typical applications include oxygen analyzers, oxygen concentrators, laboratory equipment, agriculture, fire prevention, confined space monitoring as well as high altitude training.

ZBXYO Series

Evaluation Interface Board for XYO Optical Oxygen Sensors


  • Provides three outputs simultaneously:
    • RS485 (Modbus RTU) allows multiple sensors to be addressed on a bus
    • RS232 (serial interface voltage levels)
    • 0...5 V analog output for basic measurements of oxygen only
  • RoHS compliant
  • Auto detects ppO2 or O2 % variants of XYO sensor

XYO Series

Optical Oxygen Sensors


  • RoHS compliant
  • Low power operation
  • Factory calibrated
  • 3.3 V TTL level RS232 interface
  • Oxygen measuring range 0...300 mbar ppO2 and temperature measurement
  • Optional pressure sensor enables additional 0...25% O2 measurements
  • Non-depleting optical technology (fluorescence quenching by oxygen)

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