What is Breathalyzer False Positive? Before we discuss some
possible reasons for a false positive test, one must first
consider the breathalyzer percentage of accuracy. With most
Breathalyzers having accuracy range of ±10% which is ±.01% BAC
(on the scale of zero to .10% BAC), some false positive readings
may fall within the manufacturer's specification. Having said
that, beside alcohol, the sensor inside the breathalyzer deals
with gases such as Acetone, Ketones and etc. These gases are
normally radiated from our lungs and have very close and some
overlap the alcohol detection curve. These side gases are much
higher in people with higher level of fatty acids. Folks on hi
protein diet tends to produce higher level of acetone in their
breath while a higher level of ketones may indicate a possible
diabetic condition. In case of a diabetics situation
Breathalyzers can falsely read as high as .03% BAC. Although
most Breathalyzers are designed to be very selective to alcohol,
but unfortunately in some users these