Ask Honest John

Honest John Ask Honest John » How accurate are consumer breathalysers?

How accurate are consumer breathalysers?

An advert for the AlcoSense Elite breathalyser in the Telegraph Shop section in Motoring states "Four pints of beer in the evening could put you over the limit until 11am.” Where can this super mega-strength ale be purchased?

Asked on 16 June 2012 by MH, Oxford

Answered by Honest John
To explain, I've got an AlcoSense and I had an emergency rescue mission at 3am after drinking a bottle of wine the evening before. I checked myself. Passed. International Rescue accomplished. But we all have different metabolic rates (and different livers) and some of us process the alcohol much faster than others.
Similar questions
Would a reputable British breathalyser, such as the Alcosense Elite, obviate the need to purchase multiple French breathalysers in the light of recently introduced legislation in France?
In my police service we often turned away those who called at the police station wanting a breath test before they drove their car. The reason we refused was because a breath test only deals with your...
I am going to France with my son who will be driving his own car. He is inclined to dismiss the legal requirements regarding items of kit to carry. Would you enlighten him please for my peace of mind.