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14 Cleaning and care
Important:
– Do not use aggressive cleaning agents, rubbing alcohol or other chemi-
cal solutions. They can damage the housing and can cause the product to
malfunction.
– Do not immerse the product in water.
14.1 General information
The multimeter should be calibrated once a year to ensure that measurements re-
main accurate.
The multimeter does not need to be serviced (apart from occasional cleaning and
replacing the battery/fuse).
Refer to the following sections for instructions on how to change the fuse and bat-
tery.
Regularly check the device and measuring leads for signs of dam-
age.
14.2 Cleaning
Always observe the following safety information before cleaning the device:
Opening any covers on the product or removing parts – unless this
is possible by hand – may expose voltage-carrying components.
Before cleaning or servicing the multimeter, disconnect all cables
from the multimeter and all measured objects. Power the multimeter
off.
Do not use abrasive detergents, petrol, alcohol or other similar chemicals to clean
the device. They may damage the surface of the device. In addition, the vapours
emitted by these substances are explosive and harmful to your health. Do not use
sharp-edged tools, screwdrivers or metal brushes to clean the device.
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