Understanding Breathalyzer Test

A Breathalyzer test is brand name that refers to certain instruments or devices that are meant to calculate the blood alcohol content level in people. The device measures the BAC based on the amount of alcohol in a person's breath, which is most commonly used to the determine whether a person is driving while intoxicated due to consumption of alcohol.

It is important to note that even though Breathalyzer is an actual specific brand for these kinds of instruments, there are other companies that manufacture and sell similar devices. However, the term "Breathalyzer" has been commonly used to refer to all devices that use alcohol content in a person's breath to determine the BAC levels.


The DUI breathalyzer is commonly used by police and law enforcement agencies out on the field in order to determine if people are conducting vehicles while under the influence of alcohol. A breathalyzer test will be administered in the case that an officer suspects that a person is driving while drunk. Along with a field sobriety test, the DUI breathalyzer exam is used as evidence in court to prove that a person was driving while intoxicated.


The DUI breathalyzer is usually used by police and law enforcement agencies, though there are versions of the DUI breathalyzer sold to consumers. Furthermore, the Breathalyzer test and device comes in various forms. The most common is the handheld device, which is what most police officers use and what is sold to the public. However, there is also a desktop version available as well, which is usually found at the police headquarters or law enforcement facility.