Sensors That Make Buildings Smart!

Gases Characteristics
Sensor Characteristics
Gas Glossary
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A Wide Range Of Refrigerant Detection Options

AirTest has a wide variety of products for continuous monitoring of Refrigerants for leak detection and to meet health and safety requirements. You can choose between sensors based on solid state/MOS, electrochemical or infrared technology. Solid state technology tends to be less expensive and is only applicable to a few types of refrigerants (R134a, R122). Solid state sensors also can be affected by other gases. Electrochemical and infrared sensors have higher specificity and sensitivity. Electrochemical sensor can be used for the measurement of Ammonia. The infrared refrigerant sensing technology AirTest offers is highly specific and is designed to detect refrigerant levels down to 1 ppm. The infrared system offered by AirTest can also be set up to detect the specific signatures virtually any refrigerant and can simultaneously detect up to three refrigerants at once. Its sampling system can also be used to sample from up to 11 locations using a single infrared refrigerant sensor.

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 TR1000-822 and
Models TR1000-822 and

Low Level Sensing

Ammonia, HCFC-123, HFC-134a, HCFC-122, CFC-11, CFC-12

Published: February 16, 2004 Last Updated: May 17, 2013