The two principal calibration methods for breathalyzers are calibration gas mixture and breath alcohol simulation. Both methods function by supplying a known concentration of alcohol of air to the breathalyzer in air or nitrogen. Mar 19, 2021
The two principal calibration methods for breathalyzers are calibration gas mixture and breath alcohol simulation. Both methods function by supplying a known concentration of alcohol of air to the breathalyzer in air or nitrogen. Mar 19, 2021