“Breathalyzer Buying Guide: 9 Things You Should Know About Personal Breathalyzers”
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BreathKey Frequently Asked Questions
How long does the internal battery last?
BreathKey Battery Life
If used once a day, every day, the BreathKey will last over 5 years - longer if used less often. This amounts to more than 2500 tests. The internal battery is not replaceable by the user; however, when you send us your BreathKey for a periodic calibration, we will check the battery and replace it if necessary at no additional charge beyond the calibration fee.
Since the BreathKey uses a professional quality fuel cell alcohol sensor, it uses a lot less power than other home breathalyzers, which use power-hungry semiconductor sensors. The reduced power consumption of the BreathKey means that it can use a smaller battery. This results in BreathKey being the smallest and lightest breathalyzer in the world.
No other home breathalyzer offers a lifetime battery. Most use AA or AAA batteries that need to be replaced every few hundred tests. This can amount to a lot of inconvenience and extra money spent on battery purchases throughout the life of the product. And using AA or AAA batteries significantly increases the size and weight of the breathalyzer.
Ensuring that your breathalyzer is cared for properly and routinely can make the difference between an accurate reading and an inaccurate one. Getting a periodic calibration is the best way to insure that your BreathKey is reading properly. This is why we recommend that you have your BreathKey sent back to us for a recalibration every six months to one year.
The way to get the most from your personal breathalyzer is to use it regularly to monitor the change in your level of intoxication, rather than looking at a single specific reading. And remember that the results of any breathalyzer test on their own cannot ensure that it is safe for you to drive. Since everyone varies with how they respond to alcohol, only you can make the determination as to how safe you really are.
