Thousands of
Units Sold
Years Keeping People Safe
Get Your Reading in 5 Seconds or less
$136.00
The best way to make sure you always know your limit and avoid life-altering mistakes under the influence.
$401.50
The Alcotest® 4000 Personal Breathalyser from Dräger is designed to measure your alcohol concentration with the same accuracy as police devices.

Powered by cutting-edge fuel-cell technology, Breatho is at the forefront
of breathalyser innovation.

Every order is sent to you by express mail so you can take your Breatho on your next day or night out.

Safely store your Breatho in your glove box or bag so you can test yourself whenever you need to.
” I bought the item for my niece as a christmas present, she has used it a few times and has been really happy with it. The company also nails the customer service aspect, going above and beyond, and really quick to respond to any messages. Will only buy through Dave and the company in the future,
thank you so much! “
Shaun P.
“Used it for the 1st time on the weekend. I think its pretty accurate as I have a Interlock in my car previously. And know where I’m at usually. Great device. Just would like to know when I should calibrate it?”
Peter M.
” The Breatho was shipped on the day of order and received well before I expected. Very simple to use and a convenient way to have a quick check on how you’re travelling after a couple of quiet ones. Very happy camper so far. “
David S.
A personal breathalyser is a handheld device that measures blood alcohol concentration (BAC) from a breath sample. It is designed for individual use to help people make informed decisions about alcohol consumption. These devices are commonly used before driving or attending work. Personal breathalysers are easy to use and provide fast results.
Accuracy depends on the sensor type, build quality, and proper use of the device. Fuel cell breathalysers offer higher accuracy compared to basic semiconductor models. When used correctly and calibrated as recommended, personal breathalysers provide reliable readings for everyday use. They are ideal for personal guidance rather than legal evidence.
Fuel cell breathalysers use professional-grade sensor technology for more precise readings. Semiconductor breathalysers are generally more affordable but can be affected by external factors like temperature or mouth alcohol. For regular or safety-focused use, fuel cell models are recommended. Semiconductor models suit occasional personal checks.
Most personal breathalysers require calibration every 6 to 12 months, depending on usage. Regular calibration ensures accurate and consistent readings over time. Heavy or frequent use may require more frequent calibration. Always follow the manufacturer’s guidelines for best performance.
Yes, personal breathalysers are designed for regular, everyday use. They are compact, portable, and quick to operate. Many people use them after social events or at home to monitor alcohol levels. They are a practical tool for responsible drinking habits.
Use our unique formula to get a sense of your limits based on factors like your age and gender.
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