There are two types of technologies that Intoximeters utilizes in its alcohol breath testing instruments.  A few of our instruments use both the Infrared Spectroscopy and Electro Chemical Analysis or Fuel Cell technology.  However, most of our instruments use one or the other.  Other types of alcohol detection are Wet Chemistry, Photo Spectroscopy, Gas Chromatography and Semi-Conductor Sensors (Tin Oxide Sensors).

For more information on the two technologies that Intoximeters uses click on either of these links:
Infrared Spectroscopy
Electro Chemical Analysis (Fuel Cell)
Fuel Cell White Paper
Fuel Cell Animation