Model 5328A
Safety Considerations
SAFETY
CONSIDERATIONS
GENERAL
This
is
a Safety Class I instrument. This instrument has been designed and tested according to IEC
Publication 348, "Safety Requirements for Electronic Measuring Apparatus", and has been
supplied in safe condition.
This manual contains information, cautions, and warnings which must be followed by the userto
ensure safe operation and to retain the instrument in safe condition.
WARNINGS
SAFETY
If
this in:tr::ment
is
te be energized via an autetransfermer fer ve!tage reduaien, make sure the
common terminal
is
connected to the earthed pole of the power source.
BEFORE SWITCHING ON THIS INSTRUMENT, the protective earth terminals of this instrument
must be connected to the protective conductor of the (mains) power cord. The mains plug shall
only be inserted in
a
socket outlet provided with a protective earth contact. The protective action
must not be negated by the use of an extension cord (power cable) without a protective
conductor (grounding).
Make sure that only fuses with the required rated current and of the specified type (normal blow,
time delay, etc.) are used for replacement. The use of repaired fuses and the short-circuiting of
fuse holders must be avoided.
Whenever it
is
likely that the protection offered by fuses has been impaired, the instrument must
be made inoperative and be secured against any unintended operation.
GROUNDING
Any interruption of the protective (grounding) conductor (inside or outside the instrument) or
disconnecting the protective earth terminal
is
likely to make this instrument dangerous.
Intentional interruption
is
prohibited.
HIGH VOLTAGE
Any adjustment, maintenance, and repair of the opened instrument under voltage should be
avoided as much as possible and, when inevitable, should be carried out only by a skilled,
qualified person who
is
aware of the hazard involved.
Capacitors inside the instrument may still be charged even if the instrument has been dis-
connected from its source of supply.
Adjustments and service described herein are performed with power supplied to the instrument
while protective covers are removed. Energy available at many points may, if contacted, result in
personal injury.
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