Operating Instruction
95980775
www.herthundbuss.com 36
EN
Maintenance
Warning!
Except replacing battery and fuse, never
attempt to repair or service the meter un
less you are qualified to do so and have the
relevant calibration, performance test, and
service instructions. Store the meter in dry
place if you don’t use it.
General Maintenance
Periodically wipe the case with a damp cloth
and mild detergent. Do not use abrasives or
solvents. Dirt or moisture in the terminals
can affect readings. Clean the terminals as
follows:
1. Set the range switch to OFF position and
remove the test leads from the meter.
2. Shake out any dirt which may exist in the
terminals.
3. Soak a new swab with alcohol.
4. Work the swab around in every terminal.
Replacing the Battery and Fuse
Warning
To avoid false readings, which could lead to
possible electric shock or personal injury,
replace the battery as soon as the battery
indicator (
) appears.
To prevent damage or injury, install only re
placement fuse of the same ratings. Discon
nect the test leads before opening the back
cover or the battery cover.
To replace the battery, remove the screws
on the battery cover and remove the battery
cover, replace the exhausted battery with a
new battery of the same type (9V, 6F22 or
equivalent). Reinstall the battery cover and
the screws.
This meter uses one fuse: 500mA, 250V,
∅
5x20mm, Fast action. To replace the fuse,
open the battery cover, take the meter out
of the holster, open the back cover, replace
the fuse with a new one of the same ratings.
Reinstall the back cover and its screws. Then
reinstall the holster, the battery cover and
the battery cover’s screws sequentially.