DUI Metrology Dictionary

Air blank (in the context of the Intoxilyzer)

The pump on the Intoxilyzer draws in room air through the breath tube and analyzes it in the sample chamber, the Intoxilyzer then adjusts its zero setting to fit that level of perceived ethyl alcohol or sets off an alarm

What is an air blank on an Intoxilyzer 8000C? What is a system blank test?

https://www.duimetrology.com/post/what-is-an-air-blank-on-an-intoxilyzer-8000c

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