Sensors That Make Buildings Smart!
Gas Reference Library
Carbon Monoxide Characteristics
Understanding the Difference in Sensor Types (TBA)
CT1000 Layout
CT1000 Wiring
CT1000 Figure 1
CT1000 Figure 3
TR2000 Layout
TR2000 Wiring

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Models CT1000-CO and TR2000-CO
Carbon Monoxide (CO)


  • on/off control of ventilation fans
  • indoor automobile parking, service garages, arenas, fire stations, loading docks, warehouse, boiler room


Key Features- TR2000

  • high accuracy electrochemicalsSensor In rugged enclosure
  • NO2 specific (negligible interference from humidity and other gases).
  • loop powered, linear output
  • 18 month operating life
  • plug-in replaceable sensor element available.
  • CSA Certified
  • Now also available with LonWorks® communication capability as a LonMark® Certified product.

Model CT1000-CO


  • Temp Range: :-4 to 122ºF (-20 to 50ºC)
  • Integrated high and low concentration relays(5A)
  • Power options: 24 VAC, 115 VAC, 220VAC
  • User adjustable delay for on-time (up to 30 minutes).
  • Measures: 0- 400 ppm
  • Calibration: 1 year recommended

Datasheet Manual


Model TR2000-CO

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

Datasheet Manual


Model TR2000-CO-Lon

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

Datasheet Manual


Model TR2000-CO-W

  • A wireless communicating sensor used with the CT5000 wireless ventilation control system. Use link to find out more.

Datasheet Manual
Published: February 16, 2004 Last Updated: May 22, 2013