11
How to Perform a Breath Test
AlcoSense is a sensitive measurement device. Performing a breath
test less than 10 minutes after drinking risks blowing high levels of
alcohol directly from your mouth into the system causing permanent
damage to the sensor and causing the system to read inaccurately.
Blood alcohol levels can rise for up to 90 minutes after drinking, for
best results only use after this period and ideally the morning after. Do
not blow directly into the blow hole without a blow tube – this can
damage the sensor and significantly reduce the lifetime of your unit.
1. Insert a new blow tube in the hole on the left side of the breathalyser,
shown figure 4 below. Re-using blow tubes can decrease the accuracy
of your readings and unhygienic. Do not use drinking straws or similar
as the diameter may be different giving a bad fit, or split causing air
to escape and reducing the accuracy of your readings. Replacement
tubes are inexpensive can be purchased from alcosense.co.uk or an
AlcoSense retailer.
Figure 4
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