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An Alco-Sensor IV law enforcement grade breathalyzer. A breathalyzer or breathalyser (a portmanteau of breath and analyzer/analyser), also called an alcohol meter, is a device for measuring breath alcohol content (BrAC). It is commonly utilized by law enforcement officers whenever they initiate traffic stops.
In early testing, the experimental breathalyzer design provided results with high accuracy in about a minute. It functions by collecting a breath sample and directing it towards an electrochemical biosensor coated with antibodies specific to the SARS-CoV-2 virus. If the virus is present, the sensor produces a signal, indicating a positive test.
During the 1950s, Borkenstein attended Indiana University on a part-time basis, earning his Bachelor of Arts in Forensic Science in 1958. During the same year as his graduation from IU, he retired from the Indiana State Police and joined the university faculty as Chairman of the Department of Police Administration, a newly established department.
If the breath sample isn't provided, or the sample exceeds the ignition interlock's preset blood alcohol level, the device will log the event, warn the driver, and then start up an alarm in accordance to state regulations (e.g., lights flashing, horn honking) until the ignition is turned off, or a clean breath sample has been provided. A common ...
Breathalyzer – by far the most common usage of this term relates to the legal breath test to determine if a person is driving under the influence of alcohol. Hydrogen breath test – it is becoming more and more common for people to undertake a medical test for clinical diagnosis of dietary disabilities such as fructose intolerance , fructose ...
Download as PDF; Printable version; ... Pages in category "Breathalyzer" ... This page was last edited on 23 December 2023, ...
For example, it was believed that the exhaled breath of a diabetes person presented a sweet odor, while for people affected by kidney failure it showed a fish-like smell. [5] Only with Antonie Lavoisier , the pure smelling of human exhaled breath was substituted by a systematic analysis of the chemical contents.
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