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Higher-end personal breath analyzers and professional-use breath alcohol testers use platinum fuel cell sensors. These too require recalibration but at less frequent intervals than semiconductor devices, usually once a year. [citation needed] There are two ways of calibrating a precision fuel cell breath analyzer, the wet-bath and the dry-gas ...
BACtrack was founded by Keith Nothacker in 2001, during his senior year at the University of Pennsylvania, when he began selling consumer products online. [3]In 2004, BACtrack received the U.S. Food and Drug Administration (FDA) marketing clearance to sell the AlcoMate CA2000 breathalyzer. [4]
A breath test measures the alcohol concentration in the body by a deep-lung breath. There are different instruments used for measuring the alcohol content of an individual though their breath. Breathalyzer is a widely known instrument which was developed in 1954 and contained chemicals unlike other breath-testing instruments. [31]
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 ...
A device that can detect THC, the chemical in cannabis responsible for its psychoactive effects could work as a Breathalyzer-type tool to test for marijuana.
If police suspect that a driver is under the influence of a substance such as alcohol, then the driver will undergo a breath test. [36] If over the legal limit of 0.05g per 100 millilitres of blood, then a second breath test will be taken and used as evidence against the driver when charged with the offence. [ 36 ]
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