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
TR2000 Layout
TR2000 Wiring

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Model TR2000-CO
CO linear signal (Autos)


  • Use with digital building control systems / VFD control / LonWorks® / on/off control
  • Indoor automobile parking, service garages, arenas, fire stations, loading docks, warehouses, boiler rooms
  • BACnet® version coming soon


Key Features

  • High accuracy electrochemical sensor in rugged enclosure
  • CO specific (negligible interference from humidity and other gases)
  • Easily incorporated into existing electrical
    J boxes
  • Low cost
  • Loop powered, linear output or LonWorks output
  • 5+ year operating life, 2.5 year calibration interval
  • Low cost plug-in replaceable sensor element available
  • CSA certified
  • Now also available with LonWorks® communication capability as a LonMark® Certified product.


CO - Carbon Monoxide Transmitters
Long Life Electrochemical


Model TR2000-CO

  • Temp Range: -4 to 122°F (-20 to 50°C)
  • Output: 4-20 mA (loop powered)
  • Power: 12-30 VDC
  • Measures: 0-200 ppm
  • Calibration: 1 year recommended

TR2000 Calibration Kit


Model TR2000-CO-Lon

  • Same performance as TR2000-CO above.
  • LonWorks® Network Variables: nviRequest, nciMaxStsSendT, nvoStatus
  • LonWorks® Sensor Variables: nvoSensorValue (% of range), nvoSensorInv, nciMiniDelta, nciSnsrSmplRate

TR2000 Calibration Kit
LON XIF and XFB Files


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