
26 Years in business supplying cutting edge sensors to solve problems.

AirTest was founded by George Graham in 1996. He knew there was an opportunity to make the workplace safer and more efficient with gas sensors.
AirTest boasts a product portfolio of over 300 sensor products that can be configured to work with any monitoring or building control system. With a keen eye for cutting-edge technology and a drive to continue innovating, AirTest is empowering the transition to Net Zero with a measured approach to sustainability.
TR-2000 Air Quality Sensor
AirTest TR2000 Carbon Monoxide Sensors are designed to be used with the following digital building control systems:
- On/Off control
- VFD control
- LonWorks®

CN-7232 Controller
The CN7232 is a stand-alone, smart controller designed for new or retrofit enclosed vehicle facilities that require fan ventilation because of the operation of combustion-based vehicles. The controller senses vehicle activity based on the measurement of carbon monoxide, nitrogen dioxide carbon dioxide or combustible gases.
Features:
- Inputs for up to 32 or more AirTest analog sensors.
- Versions for VFD or On/Off control
- Easy to use color touch screen (VFD), or two-color display and keypad (on/off) provides operating status and user adjustments
- Control set-points easily adjusted to local code requirements or operator preference

Replacement Sensors Available


Audible and Visual Alarm Accessories
Ensure your team is alerted when risks are present with leading audible and visual alarm accessories from Federal Signal.
Federal Signal is at the forefront of innovation, offering advanced signaling products, communication systems, and security solutions designed to protect workers, first responders, and communities. With a legacy that began with the first outdoor siren in 1917 and the pioneering police car beacon in 1948, Federal Signal has continuously pursued advancements in safety technology.
Applications:
Parking Structure
Loading Dock
Transport Terminal
Indoor Stadium/Arena
Cold Storage
Refrigerated Processing Areas
Engine Rooms
Battery Charging Area
Maintenance Garage
Hospital/Ambulance Bay
Fire/Police Station
Boiler Room
Hydrogen Tanks
Commercial Kitchen

Service & Calibration You Can Trust
Our commitment doesn’t end once a purchase is complete.
With a National Technical Support program, a vast network of factory-trained technicians, and comprehensive calibration and testing programs, we’ll continue supporting you and your team to make sure all equipment and instrumentation is in optimal working order.

One Stop Shop for Your Needs

Get Calibrated
Make sure your devices are properly calibrated.

Book a Service
Ensure your device is in good working order.

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Need a device on short or long term?.