GB72
Money List Winner
A rough guide is 2 hours for one unit of alcohol to clear your system, a unit being around a half of beer or a small glass of wine. 4 units, 2 pints, is very close/just under/just over depending on you. If you drink 2 pints, 4 units starting at 7pm, the first unit is clear of your system by 9pm.
One of the product lines for the company I worked for made everything from handheld breathilysers to the desk top, evidentiary machines. As for being arrested at a roadside stop, you could blow positive with one pint or nearly register zero with 4. It’s the blood test that will confirm the alcohol in blood content.
Some people will feel fine with 2 pints but the next time they go out they’ll be a bit squiffy. There is no hard and fast rule for what is safe for any individual. Best either have none or stay well away from what you think the limit is.
Not sure how accurate they are but I have a home breathalyser that i use for days when I have to drive the morning after I have had a few beers. Have cancelled a few Saturday morning rounds of gol based on the results that it showed.