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14. Maintenance and cleaning
a) General information
Apart from occasional cleaning and fuse replacements, the multimeter requires no servicing.
Refer to the following sections for instructions on how to change the battery.
Regularly check the device and test leads for signs of damage.
b) Cleaning
Always observe the following safety information before cleaning the device:
Opening covers on the product or removing parts that cannot be removed by
hand may expose voltage-carrying components.
Before cleaning or servicing the multimeter, disconnect all cables from the mul-
timeter and all measured objects. Power the multimeter off.
Do not use aggressive detergents, benzine, alcohols or similar products for cleaning. These
may corrode the surface of the measuring 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 or similar objects for cleaning.
Clean the device or the display and the test leads using a clean, lint-free, antistatic and slightly
damp cleaning cloth.
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