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Section Eight
Instrument maintenance
This section provides some basic maintenance procedures. Repair, calibration, and servicing not covered in this
manual must be performed by qualified personnel. For maintenance procedures not described in this manual, contact a
Victor’s Service Center.
General maintenance
Periodically wipe the case with a damp cloth and detergent; do not use abrasives or solvents.
Take out the batteries if the meter won’t be used for a long time.
Dirt or moisture in the terminals can affect readings.
Clean the terminals as follows:
（
1
）
Turn the Meter off and remove all test leads.
（
2
）
Shake out any dirt that may be in terminals.
（
3
）
Soak a new swab with alcohol. Clean each terminal with the swab.
Replacing the batteries
The Meter is powered by eight AA batteries (IEC LR6).
Warning
To avoid electrical shock or personal injury:
Remove test leads from the meter before opening the battery door.
Close and latch the battery door before using the meter.
Note
The new and old Batteries can not be mixed.
Make sure the battery’s odes are in accordance with the marks illustrated in battery pool when replacing them.
Take out the batteries if the meter won’t be used for a long time.
Dispose the old batteries in accordance with the local law.
Appendix
Principle of Earth Resistance Measurements
