Sensors That Make Buildings Smart!
Reference on AirTest: Understanding The Parking Garage Opportunity
CO2 Reference Library
Carbon Monoxide Characteristics
Background on Carbon Monoxide Sensing Technologies for Parking Garages
Using CO2 to Control Odors in Parking Facilities
CO Characteristics
TR5200 Layout
TR5200 Wiring
TR5200 Figure 1
TR5200 Figure 2

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Models TR5200-CG
Combustible CB


  • 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


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.


CG - Combustible Gas Transmitters
Catalytic Bead


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®

Datasheet Manual


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

Datasheet Manual
Published: February 16, 2004 Last Updated: April 26, 2013