20
INTOXILYZER
®
S-D2 Operator’s Manual
FLOWING, press the ‘READ’ button which
draws a sample of gas into the unit.
Continue to hold down the ‘READ’ button.
f) When the sample has been taken, release
the regulator button to stop the gas flow.
IT IS ESSENTIAL THAT THE GAS IS STILL
FLOWING WHEN THE ‘READ’ BUTTON IS
PUSHED.
4) READ THE DISPLAY
Disconnect the instrument from the mouthpiece—
continuing to hold down the ‘READ’ button—and observe
the display. The value shown on the S-D2 should rise
steadily and then stop, about 20-30 seconds from the time
the sample was initially “taken”.
If the final reading is within ±.005% BAC of the known value
of the gas standard, the instrument is calibrated properly
and no adjustments are needed.
If the maximum reading displayed shows a deviation from
the value of the standard, then calibration adjustment is
required, which is outlined in the next section.
5) RESET AND WAIT
After the final alcohol reading is noted, depress the ‘SET’
button to lock. This allows the fuel cell to clear itself of
alcohol before using the instrument for more tests. This will
take approximately two minutes.
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