I was solicited by a friend of a friend today about Breathometer, obviously in the hope that I give up the database here for some potential sales, and saw all the ‘as featured on Shark Tank!’ (yawn) and ‘A Mark Cuban Company’ crap that they use to legitimize it, but nonetheless, I was surprised to see no mention about the product on the forum.
Everytime I’ve looked into breathalyzers the question of accuracy comes up, and there appears to be a wide range. Might want to look into their accuracy prior to jumping in bed with them.
And we’ve got the perfect person to tell us about it - Andy Velebil, who has, among his jobs with the police department, the task of calibrating police breathalyzers…
My wife just bought me a keychain breathalyzer. I tried it out after my cocktail the other night and blew x%, an hour later after my second, it was 0.5x%. so I wonder about accuracy too. It may be time to get something that is pro grade as it is getting close to tasting for the Napa Valley issue which means a lot of long days in wineries and on the road.
Did you remember to wait 20+ minutes after your last drink? If not, the breathlyzer will overread your BAC, based on the lingering presence of alcohol in your mouth.
Having said that, it’s highly likely a keychain breathalyzer (how the hell do you spell that?) isn’t going to be really accurate. Plus, they have to be recalibrated periodically. I think you have to spend $150+ to get one that gives fairly accurate readings, and more to get a truly accurate one.
Here was what Officer Andy (Velebil) wrote in a past WB thread.
andy velebil Posts: 2179Joined: Mon Feb 02, 2009 5:54 pmLocation: Los Angeles, CA USA
BACtrack breathalyzer
Post #3 by andy velebil » Thu May 29, 2014 5:27 am
Let me just say this again, I’ve said in other threads related to these. Any inexpensive PAS (Preliminary Alcohol Screening) device isn’t going to be as accurate as the real ones cops use. And you have to periodically accuracy-check/calibrate a PAS using a known solution to ensure it’s calibrated properly. If not, it can be way off.
You also have to administer it properly. Such as waiting at least 15 minutes from the last time you ate, drank, smoked, injested, etc.
While these will give you ball-park numbers, keep in mind they may be off by quite a bit.
If you’re interested in one that has stood up to years of legal scrutiny spend the $500+ on a real one from this company > http://www.alcopro.com > (no affiliation, but these are where most police departments get theirs from). Click on the Alco-Sensor tab, then on the “FIND OUT MORE” icon. Again, keep in mind you will still have to check it periodically with some expensive calibration items to ensure it stays accurate.