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Combustible Gas Sensors

Combustible Gas Sensors
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Combustible Gas Sensors

Combustible Gas Sensors – General Monitors Catalytic Bead

General Monitors’ electrocatalytic Combustible Gas Sensors are supplied as original equipment on all of our products worldwide. The sensor’s sensitivity, reliability and longevity make it the first choice for most users of the catalytic oxidation gas detection principle. Every component of our catalytic sensors is manufactured in-house to ensure optimum performance. Careful matching of the active and reference elements (“beads”) result in a sensor that has negligible zero drift with respect to changes in humidity, pressure and temperature.


  • Extra strong support post protects beads from shock and vibration, avoiding damage
  • Large active bead surface area provides large signal-to-noise ratio for stable performance and long sensor life
  • Teflon barrier protects active and reference beads which eliminates heat transfer, maximizing output signal
  • Functions well in corrosive and aggressive environments by using precious metals for all components mounted in Teflon body


  • Refineries
  • Drilling rigs and platforms
  • Fuel loading facilities
  • Compressor stations
  • Oil well logging
  • LNG / LPG processing and storage facilities
  • Wastewater treatment facilities
  • Gas turbines
  • Solvent vapors
  • Chemical plants