Drager Alcotest 3820/4000 Mouthpieces

Calibrating a breathalyser is essential to ensure accurate and reliable measurements of blood alcohol concentration (BAC). Calibration is the process of adjusting the device to a standard reference point to maintain its accuracy.

Breatho Personal Breathalysers use a high‑quality fuel cell sensor that provides stable, reliable measurements and is unaffected by common mouth contaminants.

100 pack of mouthpieces for Drager Alcotest breathalysers.