This depends entirely on your metabolism.

Can a breathalyzer detect alcohol after 12 hours. If you have a round body type and drink, for example, two bottles of wine the night before, you can test positive for alcohol 12. Generally, a breathalyzer test can test positive for alcohol for up to 12 hours after consuming one alcoholic drink. It is not effective if a person stops.

Alcohol leaves the body at the standard rate of 0.015 bac, so you can determine the number of hours necessary for your body to be free of alcohol by simply taking a breathalyzer. Breathalyzers can detect alcohol within 15 minutes of your first drink and can continue for as long as the alcohol is in your system. Typically, a breathalyzer unit can detect alcohol in a person’s breath about 20 minutes after consumption.

Based on the average alcohol content of beer, about 4. Generally, a breathalyzer test can test positive for alcohol for up to 12 hours after consuming one alcoholic drink. Generally, a breathalyzer test can test positive for alcohol for up to 12 hours after consuming one alcoholic drink.

On the other hand, a urine test can detect alcohol in your. Can you fail a breathalyzer 12 hours after drinking? Coffee, cold showers, and “sleeping it off”.

Oct 20, 2000 · how long after drinking can you pass a breathalyzer test? How many beers will fail a breathalyzer? Generally, a breathalyzer test can test positive for alcohol for up to 12 hours after consuming one alcoholic drink.