AlcoSense Ultra Manuale di istruzioni - Pagina 13

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Troubleshooting

I have got a positive reading but I haven't drunk any alcohol.

This can be caused by testing within 10 minutes of eating some strong

foods, using dental products, chewing gum or smoking. On some

occasions it can also be caused by the body releasing acetone/keytones

released during the metabolism of acetoacetic acid. This can be increased

with the use of some prescribed medications or certain medical conditions,

most commonly diabetes. A healthy body can also create these substances

occasionally, it is more likely if you are on a low carbohydrate diet such as

the Atkins diet or similar. If you experience this problem please call us.

I'm doing a breath test and I can't get it to work.

This can be because you are blowing too hard, too soft or not for long enough

into the mouthpiece. If you blow incorrectly, the unit will show you a tip

explaining what's gone wrong. If you still experience issues, please call us

for assistance.

I've done two breath tests and got different results.

This is expected for several reasons. The first test is the most accurate, if you

perform a second test within a few minutes of the first test the alcohol levels

in your lungs may not have stabilised after the first test, causing the second

test to give you a different reading. If you have recently drunk alcohol, your

blood alcohol level can also change quickly over the course of a few minutes.

UK law allows for a 15% difference in sequential readings as a result. This is

why you should only use the breathalyser at least 90 minutes after drinking

or ideally, the morning after.

Additionally, this is why you cannot use a human to test the accuracy of two

different breathalysers back to back, you will also expect slightly different

readings for the same reason. It can only be done using approved Breath

Alcohol Simulators.

My unit says "Saturation Lockdown"

This is caused by blowing in an abnormally high leve of alcohol. It is

normally caused by doing a breath test just after sipping an alcoholic drink

and there is residual alcohol left in the mouth. This overloads the sensor

and can make it read inaccurately for a period of time while the sensor

recovers. For your safety the unit stops you from performing further tests

until the sensor has recovered. After the period has expired your unit

should work as usual again.

My unit says "Calibration Expired" or "Calibration Due"

The 12 month calibration interval is about to or has expired. After this

time readings may become unreliable. Please contact us to arrange

re-calibration of the unit, our contact details can be found on the back

cover of the manual.

I've done a lot of tests in quick succession and I've got a strange result

This can be caused by a build-up of breath condensation in the breathalyser

which sometimes cause temporary inaccuracy until it evaporates, this

can affect any breathalyser, including Police breathalysers. To avoid this

leave a minimum of 3 minutes between tests and do not perform more

than 10 tests in one hour, and no more than 30 tests in 24 hours. Always

use a new mouthpiece for each test. If you do experience this problem

the condensation should evaporate within 2 hours at normal room

temperature and the breathalyser will return to normal operation.

Any other issues

Please check the www.alcosense.com support section for any software or

firmware updates, if available please download and update your device.

If you still experience problems after this point please contact us.

For any other queries please call us on 0800 195 0088 from inside

the UK, or on +44 1628 778885 from outside the UK.