lion alcolmeter
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SD-400 User Handbook [v7]
4. Subject Breath Test
4.1 The Breath Test Procedure: Step-by-Step
Preliminary Questions
Ensure the subject has taken nothing by mouth for at least 15
minutes, and not smoked for at least 2 minutes. If necessary, wait.
Mouth alcohol generally disperses within 10 or 12 minutes, so a 15-
minute wait ensures its complete dispersal. Remember though that
many foods and even some ‘non-alcoholic’ drinks actually contain
traces of alcohol. Also, a glass of cold water will cool the mouth and
dilute saliva, and so temporarily reduce the breath alcohol level.
Switch On Instrument
Press and release the On/Off switch (1-0).
Diagnostics Test
The four indicator lights and the display bar segments are tested.
The sampling system is activated and the WAIT light comes on. The
time and date are then shown [any inaccuracy here has no effect on
the alcohol measurement]. The WAIT light stays on while the fuel
cell is checked to ensure there is no alcohol from a previous test.
READY – Attach Mouthpiece
When the READY light shows, unwrap a
mouthpiece (don’t touch the lipped end that
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