Alcohol breath tests, commonly called breathalyzers, measure blood alcohol content (BAC). The more intoxicated a person is, the higher their BAC. This test is often used by law enforcement to ...

A breathalyzer test is a diagnostic device that measures how much alcohol is in the air a person breathes out. It can be used to estimate blood alcohol content (BAC), or how much alcohol is in the ...

A breathalyzer can detect alcohol on the breath for up to 24 hours. However, the timeframe varies depending on the individual and the quantity of alcohol they consume. According to the National ...