Breathalyzers measure blood alcohol content (BAC) by analyzing a sample of exhaled breath. While highly effective at determining the concentration of alcohol present in the breath sample, these devices do not possess the capability to identify the individual providing the sample. They function solely to quantify the alcohol content, not to verify the user’s identity.
Distinguishing between users is not a design feature of breathalyzers. Their primary purpose lies in providing an objective measure of BAC for legal, medical, or personal use. This focus on objective measurement has significant implications for law enforcement, workplace safety, and responsible alcohol consumption. Historically, breathalyzers have played a crucial role in reducing alcohol-related incidents by providing a reliable method for determining intoxication levels.
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