Terms and Definitions
1
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Breath alcohol analyzers
Under specified temperature, humidity and pressure, instrument which
to analyze and measure the ethanol concentration in exhaled deep lung
gases.
2
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Breath alcohol concentration
The ethanol content in the breath of each liter, for short, BrAC. The
measuring unit is: mg/L.
3
、
Blood alcohol concentration
The ethanol content in every 100 milliliters of blood, for short, BAC. The
measuring unit is mg/100mL.
4
、
Gas from deep lung
The gas which breath from deep lung of human.
5
、
Shift
The degree variation of the measured value of alcohol tester to a given
concentration of ethanol gas over a period of time.