The pocket-sized (4.0-by-2.0-by-0.6-inches) Alcomate Revo is a great device for accurately reading an individual’s blood-alcohol level. Since I have no experience with using portable breathalyzers, I did some research and found that often pocket breathalyzers must be sent back to manufacturers for calibration to keep them accurate. That’s not the case with the Revo because it features a pre-calibrated sensor, ... Read More »