Arizona DUI & Criminal Defense Attorney Blog
Portable Breath Test Unit
A Portable Breath Test (PBT) Unit is a hand-held mobile device, used by police in Arizona DUI field stops. The PBT is a preliminary DUI breath test tool used to test a person’s Blood Alcohol Content or BAC. The purpose of the PBT is simply to distinguish if a driver is under the influence of alcohol or drugs. It an early screening and detection tool only. If used to obtain a reading, it must be followed up with use of a formal breathalyzer test for alcohol, or chemical tests for drug impairment determination. Arizona prohibits use of a PBT as admissible evidence in court.
Why PBTs are not Admissible in Scottsdale AZ Courts