Calibration check

1 definition found for this term.
Definitions are presented in the order source books were published (most recent first).

A test to independently check the calibration or accuracy of the approved instrument, usually by using an Alcohol Standard (which is certified for use by a qualified analyst with the approved instrument to check its calibration; it contains a known amount or quantity of alcohol) heated to 34˚C in a simulator. The standard used may also be pressurized dry gas containing alcohol.

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