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  • Overall Rating: 5
  • Price: 5
  • Quality: 4
  • Ease Of Use: 5
  • Usefulness: 5
Works, but inaccurate I believe – Alcohol Tester Breathalyzer Keychain (0.19% BAC Max) Reviews

posted by snovvdog on 05/01/2013 Certified Owner

Involvement:General (knows how to use it) - Ownership:more than 1 month

Pros:
Easy to use, very handy to have at a party, other people like using it too, comes with more mouth pieces. Batteries seem to last quite a while, at least 50 uses if not more... Great size for glovebox or in armrest.
Cons:
Not sure if accurate. Screen hard to read in the dark. No point in using it just after a drink, if used within 5 minutes of a sip of alcohol the results will be excessive ( 1.0 or more), you have to wait for the alcohol in your mouth to dissipate until you can test your breath!
Other:
Seems very accurate after 30 minutes of not drinking. Very inaccurate after just having consumed some alcohol, I think it picks up on some of the trace alcohol in your mouth. A glass 250ml of beer will show 0.2 after 30 minutes, 2 glasses show 0.5 on an empty stomach after 30 minutes. Blood alcohol percentage seems to dissipate by 0.1-0.3 per hour, so seems accurate.
Bottomline:
If this device doesn't pick anything up, chances are the police devices won't either!

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