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The TR5200 is a high accuracy catalytic bead gas sensor/transmitter that can be used to detect LEL (Lower Explosive Limit) concentrations of a wide range of combustible gasses. Transmitters can be provided calibrated to the specific combustible gas of interest.


Key Features

  • Catalytic bead sensor
  • Linear output
  • Rugged enclosure
  • Calibrated to specific target gas and desired LEL level
  • Up to 3 year life
  • CSA certified
  • Now also available with LonWorks® communication capability.


  • Use with digital building control systems / VFD control
    / LonWorks®
  • BACnet® version available soon
  • Control of diesel fumes in: indoor parking, bus garages,
    service garages, arenas, fire stations, loading docks, warehouses
Model TR5200-CG
  • Temp Range: -4 to 122°F (-20 to 50°C)
  • Output: 4-20 mA (non linear) user must specify high and low control points
  • Power: 12-30 VDC
  • Measures: 0-100% LEL (specify target gas)
  • Calibration: 1 year recommended
  • Also available with LonWorks®
Model TR5200-CG-Lon
  • Same performance as TR3200-NO2 above.
  • LonWorks® Network Variables: nviRequest, nciMaxStsSendT, nvoStatus
  • LonWorks® Sensor Variables: nvoSensorValue (% of range), nvoSensorInv, nciMiniDelta, nciSnsrSmplRate


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