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The Det-Tronics CGS catalytic bead sensor, combined with the FlexVu™ UD10 Universal Display, delivers a flexible and affordable combustible gas detection system that is third-party certified SIL 2 capable.

The explosion-proof combination is rated for hazardous areas and is third-party approved to FM, CSA and ATEX/IECEx standards. Suitable for high-temperature and hydrogen applications, the CGS-FlexVu™ UD10 duo detects both hydrocarbon and hydrogen gases.


  • Compatible with all Det-Tronics combustible gas transmitters and controllers
  • Extended operating temperature range: –67°F to +257°F (–55°C to +125°C)
  • The sensor can be up to 500 feet from the display/connection point
  • Non-intrusive calibration
  • Thread options: 3/4" NPT, M20 or M25
  • Long sensor life (active and shelf)