Calibration and accuracy check system for a breath tester
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United States of America Patent
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Apr 16, 2013
Grant Date -
Sep 9, 2010
app pub date -
Mar 3, 2009
filing date -
Mar 3, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Calibration and accuracy check systems for a chemical sniffer, such as a breath alcohol tester, which utilize the dispensing of droplets with determinable concentration of alcohol and/or other liquids in a determinable number either directly to a reaction chamber, or into a carrier gas which can be sampled. The systems generally provide for accurate sample concentration being provided to the breath tester while also providing for a simplified system which can be easier to move, and require less operational complexity, than prior wet or dry calibrating systems.
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