Alcohawk AlcoHawk Slim Owner's Manual - Page 4

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INTRODUCTION

Overview of the AlcoHAWK

Slim

The AlcoHAWK

Slim is a breath alcohol tester designed to test for the

presence of alcohol in the blood. This device provides a digital reading

of an individual's approximate blood alcohol concentration (BAC) in

seconds. The AlcoHAWK

Slim is powered by two AA batteries that

generally last between 200-300 tests.

To fully utilize this device to its potential, we recommend reading this

entire manual. Enjoy your AlcoHAWK

and please do not drink and

drive!

Alcohol Testing Theory

Ethyl alcohol is detectable in the breath because it is absorbed from

the mouth, throat, stomach and intestines into the bloodstream. When

blood ﬂows through the lungs, some of the alcohol passes across the

membranes of tiny lung air sacs (alveoli) into the air. The concentration

of the alcohol in the alveolar air is proportional to the alcohol in the

blood. As the alcohol in the alveolar air is exhaled, it can be screened

by a breath alcohol testing device. Rather than drawing a subject's

blood to test for alcohol level, a subject's breath can be tested using a

breath alcohol testing device. Because breath alcohol concentration

is proportional to blood alcohol concentration (BAC), BAC can be

calculated by measuring alcohol content on the breath. The ratio

of breath alcohol to blood alcohol is 2,100:1. This means that 2100

milliliters of alveolar air will contain the same amount of alcohol as

1 millimeter of blood. This concept is well established by Henry's

Law, which states that the concentration of a volatile substance in

the air above a ﬂuid is proportional to the concentration of the volatile

substance in the ﬂuid.