AlcoSense Ultra Gebruiksaanwijzing - Pagina 12
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How can a Breathalyser Display a Blood Alcohol Reading?
Breathalysers measure the alcohol concentration in a persons breath and can
convert the breath reading into a blood reading using the Blood Breath Ratio.
The Blood Breath Ratio
IMPORTANT: The Blood Breath Ratio (BBR) used in drink driving law differs
slightly from country to country, but is normally 2000:1, 2100:1, 2200:1 or
2300:1. If the wrong BBR is used in the wrong country, a breathalyser could
give a falsely high or low blood alcohol reading. This is why it is important
that you select the correct country in the "Country" menu when you use
the breathalyser. For example, the UK uses a BBR of 2300:1 which means
a breath reading of 0.22mg/L = a blood reading of 0.50‰BAC. However,
France uses a BBR of 2000:1 which means a breath reading of 0.22mg/L
= a blood reading of 0.44‰BAC. This means that a motorist who drives
from the UK to France using the wrong BBR setting could be over-reading
in France, or a French motorist driving to the UK could under read. This is
why it is very important to select the correct country for use from the Main
Menu > Settings > Country menu.
If you still wish to change the unit of measure you can change the unit of
measure by navigating to Main Menu > Settings > Units of Measure.
The Relationship Between Different Units of Measure
AlcoSense Ultra converts the value for you if you choose a different unit of
measure and the correct country is chosen from the Man Menu > Settings
> Country menu.
If you wish to convert between units manually the following explains the
relationship between different units of measure:
Breath Units
0.35 mg/L = 35 µg/100mL
To convert a breath reading to a blood reading or vice versa you will need
to know the correct Blood Breath Ratio (see relevant section above) for the
country you are in. You can convert a breath reading to a blood reading
using the following formula:
Reading in mg/L x BBR / 1000 = Reading in ‰BAC
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Blood Units
0.80‰BAC = 0.080%BAC
Technical Support
First , please check the troubleshooting section in this manual and
www.alcosense.com/support. If you have any queries which are not
covered or need assistance using your unit please call our technical
support team on 0800 195 0088 (+44 1628 778885 outside the UK)
Monday to Friday 9am to 5pm. When calling please make sure you have
your breathalyser to hand.
Re-Calibration
Your AlcoSense breathalyser will require re-calibration after 12 months,
after this period there is a risk of obtaining erroneous results. Calibration
can only be performed by AlcoSense or an officially authorised service
centre. Please contact us to arrange this.
Servicing
We will happily service your breathalyser to keep it in top condition so
that it is reading to the highest levels of accuracy and reliability. Servicing
normally takes around 5 working days to complete as after each service
your AlcoSense breathalyser will be quality tested before leaving us.
Please choose your level of service below:
1.
Re-Calibration
We will re-calibrate your AlcoSense breathalyser to ensure it continues
to read at its most accurate. This service is charged at £24.99 and
includes return postage costs to you. Please call 0800 195 0088 (or
+441628778885 from outside the UK) to arrange this. We recommend
this is done once every 12 months.
2.
Out of Warranty Repair
If your breathalyser is out of warranty don't worry, we can repair it
for you. You will be charged for the parts and labour required at a
reasonable cost.
Please go to www.alcosense.com to arrange this.
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