5.
MAINTENANCE
This section provides basic maintenance information,
including fuse and battery replacement instructions.
Do not attempt to repair or
service your Meter unless you are
qualified to do so and have the relevant calibration,
performance test, and
sewice information.
5.1
General Maintenance
A
To avoid electrical shock or damage to the
meter, do not get water inside the case. Remove
the test leads and any input signals before
opening the case
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.
To clean the terminals:
*
Turn the meter off and remove all test leads.
Shake out any
dirt that may be in the terminals.
Soak a new swab with a cleaning and oiling agent (such as
WD-40).
*
Work the swab around in each terminal. The oiling agent
insulates the terminals from moisture-related contamination.
5.2 Battery and
fuse
replacement
If the sign
"mwappears on the LCD display, it indicates that
the battery should be replaced. Remove screws on the back
cover and open the case. Replace the exhausted battery with
a new one.
Fuse rarely need replacement and blow almost always as a
result of the operator's error .Open the case as mentioned
above, and then take the PCB assembly out from the
A
WARNING
Before attempting to open the case, be sure that test leads
have been disconnected
from measurement circuits to avoid
electric shock hazard.
For protection against fire, replace fuse only with specified
ratings:
F1: F5OOmA/250V
F2: F lOA/ZSOV
6.
HOW TO USE THE HOLSTER
The holster is used to protect the meter and to make the
measurement more comfortable. it comes with two stands
installed together. The following figure shows how to use the
holster to:
a. Support the meter with a standard angle.
b. Support the meter with a small angle using the little
stand
c. Hang the meter on the wall using the little stand. Take
the little stand off from the backside of the large stand
and insert it into holes located upper on the holster.
d. Hold test leads.
CAUTION:
"Using this appliance in an environment with a strong radiated
radio-frequency electromagnetic
field9approximately 3V/m),
may influence its measuring accuracy The measuring result
1
can be strongly deviating from the actual value"
case .Replace the blown fuse with ratings specified.
26
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