A breathalyzer (or breathalyser) is a device for estimating blood alcohol content (BAC) from a breath sample. "Breathalyzer" is the brand name of a model made by one manufacturer of these instruments (originally Smith and Wesson, later National Draeger), but has become a genericized trademark for all such instruments. Intoxilyzer, Intoximeter, Alcotest, Alcosensor and Datamaster are the other most common brand names in use today.
Breath analyzers don't directly measure blood alcohol content or concentration, which requires the analysis of a blood sample. Instead, they estimate BAC indirectly by measuring the amount of alcohol in one's breath. Three technologies are in use: evidentiary machines, used by police forces, which generally utilize infrared spectrophotometer technology; less accurate hand-held electrochemical fuel cell-based instruments, used by officers in the field and commonly called PBT (preliminary breath test) or PAS (preliminary alcohol screening); and semiconductor oxide based testers, cheapest and least reliable but becoming increasingly popular for personal and professional testing applications. |
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DON'T KNOW ABOUT YOU. BUT I HAVE NEVER SEEN A POLICEMAN IN NIGERIA USE THIS EQUIPMENT. IN FACT I BET MY LIFE 90% OF THEM HAVE NEVER HEARD OF IT, AND DON'T KNOW WHAT THE HELL IT IS.
- Abi you wan try Road Safety Corp??? Those one's no even know wettin be Nigerian SPEED LIMIT.
- Drinking and Driving na part of awa life style and 'culture', and people just dey die like chickens.
- We must to STOP DIS.
- Na for only Naija I know say policeman go ask you weda you bring eem own beer for check-point, (even though you are as drunk as a 'Lord'...as dey say in the UK), and are driving.
- Dis should be one BIG priority for awa new IG...hoping he himself sabi wettin Breathalyzer be.
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