Breathalyzer vs. Intoxilyzer

Paper Summary:

With the advent of newer technology, the question arises whether the Breathalyzer, originally created in 1954 is as viable a unit as the newer Intoxilyzer breath alcohol content measuring devices. This paper presents a brief look at the concept of measuring breath alcohol content (BrAC) and reviews the two types of devices relative to how they work, how viable they are for use in the field and how accurate they are.

From the Paper:

"Although alcohol intoxication is legally defined by the concentration of blood alcohol, Freudenrich (2000) tells us that the concentration of alcohol released from alveolar sacs within the lungs is directly related to the level of alcohol concentration within the bloodstream. Breath alcohol content (BrAC) to levels of alcohol in the blood stream (BAC) is recognized as being in a 2,100:1 ratio (Freudenrich, 2000). Although research confirms that testing for breath alcohol content has been a viable method for prosecution in DWI cases as early as the late 1920's (Kennedy, (n.d.)), it wasn't until 1954 that Dr. Robert Borkenstein created the first Breathalyzer (Freudenrich, 2000; "Frequently asked," 2005). There are three basic types of breath alcohol content testing equipment, all of which rely on different chemical reactions and principles."

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