DGS GAS Detector FAQ

The Danfoss range of gas sensors and controllers protects human beings and systems in situations where toxic gases are used.

With the help of modern communication technology, fast alerting and reliable sensors, a quick reaction is possible in the event of gas leaks.

Can I ask for the calibration certificate?

The sensor calibration certificate is normally included in the installation pack.

If you lose this certificate, you can request it from your sales representative by providing:

Code number, Serial Number and Manufactured date printed on the sensor head.

How often does the sensor need to be re-calibrated?

When the DGS is provided, the sensor is already calibrated from the factory side.

The sensor has then to be re-calibrated depending on the gas used in the application.

Following the period recorded in the sensor head:

When the calibration period expires, may I then re-calibrate the sensor?

Yes, when the calibration expires there are 2 possible options:

Replace the sensor head
Re-calibrate the sensor. This operation resets the calibration period counter recorded in the sensor head.
Link to calibration guide
For the re-calibration procedure, please take a look at the below video:

What is the life expectancy for the sensor?

Typical sensor lifespan:

Is the DGS for propane sensor ATEX approved?

No, the DGS for propane can only be used in a non-ATEX zone.