A helium-neon laser infrared analyser for alcohol vapour in the breath.
D001944:Breath Tests; D000431:Ethanol / Q000032:analysis*; D006371:Helium; D006801:Humans; D007834:Lasers / Q000295:instrumentation*; D009356:Neon; D013055:Spectrophotometry, Infrared / Q000295:instrumentation
D006371:Helium; D000431:Ethanol; D009356:Neon