As a result, calibration must be frequently conducted to ensure good accuracy. This guide explains how to calibrate portable breathalyzers and how often it should be performed to ensure accurate and ...

Innovative Breathalyzer Calibration Instrument Blends Optics, Electronics Aug. 22, 2019 Conventional calibration of “breathalyzers” is difficult and error-prone.

News; Breathalyzer tests results to be scrutinized as drunk drivers' attorneys claim hundreds of calibration errors. Updated: ; Sep. 01, 2017, 1:01 p.m. | Published ...

Do you own a personal breathalyzer? If it’s been a while since you’ve had it, do you know for sure if the device will correctly display your BAC (blood alcohol content)?

Two researchers say a police breathalyzer, used across the U.S., can produce incorrect breath test results, but their work came to a halt after legal pressure from the manufacturer ...

The difference between one beer and two can mean your license, your reputation, even your job.But the state agency that regulates the tests says months of breathalyzer calibrations in Duval ...

Most people think a breathalyzer result is the final word in a DUI case. It’s not. If cops mess up the machine, botch the test, or violate your rights, that magic number can fall apart in court.

Michigan State Police found a flaw in how drunk-driving test equipment was maintained, putting 52 cases in jeopardy -- and it's a problem all over the U.S.

Nearly 30,000 drunken driving cases in Massachusetts could be dismissed after authorities found some breathalyzer machines hadn't been calibrated properly, but officials in New Hampshire said they ...

WELD COUNTY - A technician's calibration issue with a new breathalyzer machine could lead to the reopening of criminal cases in Weld County, according to the Colorado Department of Public Health ...

TRENTON, N.J. (CN) – New Jersey’s highest court ordered the state on Tuesday to notify thousands of convicted drunken drivers that the charges against them were tainted by inaccurately calibrated ...

Exclusive: Two researchers say a police breathalyzer, used across the US, can produce incorrect breath test results, but their work came to a halt after legal pressure from the manufacturer.