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INTOXILYZER
®
S-D2 Operator’s Manual
through the mouthpiece. Press the ‘READ’ button to
release the catch holding down the ‘SET’ button,
allowing it to rise. This pulls up the diaphragm, drawing
a small portion of breath from the mouthpiece directly
into the fuel cell detector.
It is imperative that the subject is still blowing when the
sample is taken. Both sampling lights must be on when
the sample is taken. The subject must, therefore,
continue blowing until told to stop. If the subject stops
blowing prematurely, the sampling lights will go out.
6) OBSERVE DISPLAY
Withdraw the instrument from the subject and continue
to hold down the ‘READ’ button. The fuel cell now
develops its signal, which takes about 30 seconds to
complete from the time of sampling. The maximum
sample reached is a measure of the amount of alcohol in
the breath sample.
As the fuel cell charges, it will cause the display reading
to rise. The final value will be displayed after 20-30
seconds and is the alcohol concentration of the subject.
If the ‘READ’ button is accidentally released during this
time, the fuel cell signal will not be affected as long as the
‘SET’ button is not depressed. Simply re-press the
The subject
blows until light
‘B’ is activated.
The operator
then pushes the
‘READ’ button.
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