Dräger Alcotest 4000 Instrucciones De Uso página 18

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Storage
Ensure that no liquid enters the gas inlet.
2. After cleaning the device, store it unpacked at room temperature
(20-25 °C) for at least 24 hours.
3. Afterward, carry out an alcohol-free breath alcohol test to ensure
that no ethanol residue remains in the device and the result 0.00 is
displayed.
6.3 Calibration
Dräger recommends to check device accuracy every 12 months.
Device calibration and maintenance should only be carried out by
authorized persons, e.g. DrägerService.
The last 30 days before next service is needed, a day count down will
be shown as information in the display after switching on the device.
Please confirm this information with the button. It shall remind you that
the device needs to be serviced in the next days. After the service
date, the device counts up how many days it is over the requested
service. This information can be confirmed by pressing the button as
well.
Calibration certificates:
https://www.draeger.com/productioncertificates
7 Storage
WARNING
Damage to the device
Leaking battery acid can damage the device.
► Remove the battery if the device will remain unused for an
extended period of time.
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Dräger Alcotest 4000