Dräger Alcotest 7510 - Maintenance; Maintenance Intervals; Storage; Replacing the Batteries

57
Maintenance
Maintenance
Maintenance intervals
As required:
● Replace batteries, see page 57 or charge rechargeable batteries, see page 58.
Every six months:
● Check calibration. Only by authorised persons, see Technical Handbook Dräger
Alcotest 7510.
—
An extension of the calibration interval, e.g. to 1 year, is possible.
Prerequisite: Analysis of the sensor data and other quality assurance measures by the Ser-
vice department of Dräger Safety.
Storage
● The Dräger Alcotest 7510 also uses some power when it is in a deactivated state.
Therefore, remove the batteries or rechargeable batteries from the device when not in use
for a longer period of time.
Replacing the batteries
For devices with alkaline batteries or NiMH rechargeable batteries.
Lithium-ion rechargeable batteries cannot be replaced.
CAUTION
During long storage periods: remove the batteries or rechargeable NiMH batteries from the
device when the device is not used for longer than 6 months. This avoids damage to the
device caused by leaking battery acid.
If the battery smybol in the display stands at
» « (empty) insert new batteries or
charged NiMH rechargeable batteries, or
place the device in the charger and charge:
● Rotate the catch on the battery cover
anticlockwise 90
o
and remove the
battery cover.
–
On devices with NiMH rechargeable bat-
teries, the catch is secured on the battery
cover with a screw.
If the NiMH rechargeable batteries need to
be replaced:
● In order to open the battery cover, first
loosen the screw. Then rotate the catch
90
o
and remove the battery cover.
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