A breathalyzer (a portmanteau of breath and analyzer) is a device for estimating blood alcohol content(BAC) from a breath sample.Breathalyzer is the brand name for the instrument that tests the alcohol level developed by inventor Robert Frank Borkenstein.[1]
Origin
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A 1927 paper produced by Emil Bogen,[3] who collected air in a football bladder and then tested this air for traces of alcohol, discovered that the alcohol content of 2 litres of expired air was a little greater than that of 1 cc of urine. However, research into the possibilities of using breath to test for alcohol in a person’s body dates as far back as 1874, when Francis E. Anstie made the observation that small amounts of alcohol were excreted in breath.[4] |
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