Dräger catalytic Ex-sensors

We develop the sensors with our own engineering knowledge. In this way, we can assure their quality and we know the measurements are accurate. This allows them to be fully utilised in combination with our full line of in-house developed Dräger gas detectors.

Hydrogen sulphide and silicone are known catalytic poisons that may be present in environments where explosive gases can develop. Thanks to a new pellistor composition, the sensors are highly resistant to poisoning from these substances. The sensors are also lead-free and thereby adhere to Directive 2002/95/EG (Restriction of Hazardous Substances). The high resistance to poisoning leads to extraordinarily stability over the long-term and that ensures low operational costs.

Unknown gas hazards and higher hydrocarbons pose a particular challenge to the display sensitivity of catalytic sensors. The new CatEx PR sensors distinguish themselves through their sensitivity. The detection of all hydrocarbons (from methane to nonane) has been certified in a measurement performance certificate for the device series X-am® 1/2/5000, X-am 7000 and X-am 8000.

A rapid warning for explosive gases and vapours is vital. The CatEx PR sensors' fast response times minimise the timespan between danger and warning.

Our catalytic sensors are suitable for measurements from the lower explosion limit to 100 vol. %.
The X-am 8000 features the option to automatically switch testing ranges, making it easier to read off results when monitoring for high methane concentrations: if the sensor measures values above 100% LEL, the display switches to the range of 0 to 100 vol. %.