An estimated period in which various testing techniques can detect alcohol:

How long does a breathalyzer detect alcohol. Regardless of how fast your body absorbs alcohol, it eliminates it at the average rate of 0.016 bac per hour. Detection for alcohol through a breathalyzer will last depending on how much you drank from the night before. Alcohol can be detected for a shorter time with some tests but can be visible for up to three months in others.

Generally, a breathalyzer test can test positive for alcohol for up to 12 hours after consuming one alcoholic drink. It drops.015 each hour from your last drink. In general, a breathalyzer test for alcohol can be positive for up to 12 hours after having one alcoholic drink.

How long will it take for breathalyzer to register 0.00 after. What is the breathalyzer test limit? It depends on how much you drink, how fast you drink, and how long you wait between drinks.

A typical urine test can identify alcohol up to 12 hours later. Those who have been binge drinking can have alcohol in their systems for over 10 hours. Breathalyzer tests detect alcohol present in your breath for up to 24 hours.

Alcohol can be detected in your breath via a breathalyzer test for up to 24 hours. Breathalyzers can detect alcohol within 15 minutes of your first drink and can continue. However, in general, a breathalyzer can detect alcohol in a person's system around 15 minutes.

Experts usually believe that it takes one hour to break down 0.015 of blood alcohol content, which means that for every hour that you are not drinking, your bac will decrease by. Bac blood alcohol content goes up after drinking alcohol. On the other hand, if a person had an alcohol level of.20%, twice the legal limit for drunk driving in most states, it would take over 13.