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SGF104 – Oxygen Sensor

The SGF104 has been introduced by Duomo at the request of architects and consultants to provide a more architecturally discrete enclosure without compromising the sensitivity of detection. The SGF104 Oxygen sensor measures oxygen depletion and excess oxygen.

Quantity discount

Quantity 1 - 4 5 - 9 10 - 19 20+
Price £289.25 £274.79 £260.33 £245.86



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The Duomo SGF104 Oxygen Sensor measures Oxygen depletion or excess Oxygen in the air. Other sensors within the range sense Natural Gas, CO, Freons, H2S, Hydrogen, and LPG. Suitable applications for the SGF104 include:

  • Research & Teaching Laboratories
  • Food & Manufacturing
  • Assembly clean rooms

Where a risk, for example, of Nitrogen (or any inert gas) leaking may reduce oxygen content within an enclosed environment.


Product Details

  • Oxygen sensor
  • 4-20mA output
  • Senses depletion or Excess O2
  • Compatible with Duomo controllers*
  • Architecturally discrete Gas sensor
  • Ceiling or wall mounted
  • Status indication lights
  • Conforms to EN50104 and EN50270
  • 12 to 24V DC supply
  • Relay output 1A @ 30V DC
  • IP64 Protective rating


Onsite Diagnostics

If you require onsite diagnostics or technical assistance with any of our products please contact us

  • This field is for validation purposes and should be left unchanged.


We recommend Duomo Gas Detection products are serviced at least annually to ensure efficacy and extend sensor life. Our qualified team of engineers are available Nationwide.



  • SGF104 Datasheet

    2.63 MB | pdf


Support & Service

If you require technical assistance or an annual service on this product please contact us and we will be happy to help. Our qualified team of engineers are available Nationwide.

Duomo (UK) Ltd

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