a tool that measures alcohol in expired air so as to calculate the concentration of liquor in someone's bloodstream; utilized by traffic authorities in instances of suspected driving while under the influence of alcoholic beverages.
a computer device that steps alcoholic beverages content of a person's breath.
a device that steps chemicals (especially the alcoholic beverages content) in someone's expired breath
a tool that measures alcohol in expired air so as to approximate the concentration of liquor in a person's bloodstream; used by traffic authorities in cases of suspected driving while intoxicated by liquor.
a tool that steps alcoholic beverages content of a person's air.
a tool that measures chemical compounds (especially the alcohol content) in your expired air