How Breath Alcohol Testing Works
A breath alcohol tester, or breathalyser, uses an electrochemical sensor to detect alcohol in exhaled air and provide a rapid measurement result. Testing can usually be performed in active mode, where the person blows into a mouthpiece, or in passive mode, where the device samples alcohol in the surrounding air without one. Passive testing can be used for an initial indication before an active test, where supported by the device. Calibration intervals vary by model, so always follow the instructions for use to keep your results reliable over time, and individually packaged, single-use mouthpieces keep every test subject's breath separate during repeated testing.
Screening or Evidential Testing
Breath alcohol testing can serve two different purposes. A screening test gives a fast initial indication of alcohol in someone's breath, suitable for routine workplace or event checks. Evidential measurement is a different matter altogether, it calls for a device and process built to recognised standards, with proper calibration and documentation behind every result. Not every screening device is suitable for evidential use, so check this before you hire.
Why Hire Your Alcohol Testing Equipment from Dräger
- Cost control: You pay only for the time you actually need the equipment, without a high upfront purchase cost.
- Complete setup: Hire the tester alongside mouthpieces, calibration accessories and a compatible mobile printer, so you have everything your testing programme needs.
- Flexible for any scale: Suitable for a single event or a longer-term workplace safety policy.
- Documented results: Where supported by the instrument and configuration, a compatible mobile printer lets you record measurement results on the spot.