Sensors That Make Buildings Smart!

Gases Characteristics
Sensor Characteristics
Gas Glossary
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Airtest offers a full line of products for measuring gases typically of concern for health and safety applications. In many cases a choice of sensor types is available depending on performance or budget requirements. If you need assistance in picking the right sensor or controller for your health and safety application please feel free to call the AirTest hotline to discuss your requirements at 888-855-8880.

Please call us if after reviewing this information you have any questions or if you would like to get a highly competitive, pricing quote.


Models CT1000-CO and TR2000-CO
Carbon Monoxide (CO)
Models TR5200-CG and TR5500-CG
Combustibles (CG)

Carbon Dioxide (CO2)
Model TR0200 Long Life, Self Calibrating Oxygen Transmitter
Oxygen (O2)
Models TR3210-CL2 and CT1000
Chlorine (CL2)
Models TR3210-O2 and CT1000
Oxygen (O2)
Models TR3210-NO2 and CT1000
Nitrogen Dioxide (NO2)

Ventilation Controllers

CN9000 Controller
CN7216 / CN7232 Controller
CN8500 Internet Accessible Controller

Published: February 16, 2004 Last Updated: August 2, 2010