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Important notes on test execution and self-assessment
After the last sip of alcohol you should wait at least 15 minutes, as there may still be resi-
dual alcohol in the oral cavity, which influences the measurement result. Also smoking
should be avoided before a test, as cigarette smoke harms the sensor.
For each test you should use a new mouthpiece – not only for hygienic reasons, but
also because an already used mouthpiece can influence the next measurement result.
The mouthpiece could contain residual alcohol, which would affect the new test result
when the same mouthpiece is used again (this for example could show an alcoholiza-
tion of a person who hasn`t drunken any alcohol).
If „BLOW ERROR" appears on the display, the given breath sample was insufficient or
ended too soon. Blow into the moutpiece for about 4 seconds constantly (without a
break) – preferably as if you were whistling without a sound.
If the same person performs 2 tests consecutively, then wait at least 3 minutes between
the two tests, as a too short waiting time may cause different measurement results. The
air exhaled from the lungs is, after a test, no longer enriched with the same alcohol
content as in the previous test. Therefore, an immediate second test will indicate a
lower test result.
All measured values determined with this breathalyzer are always indicative and not
legally binding.
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