Safety Considerations - Keysight N1913B EPM Series Service Manual

Safety Considerations

This is a Safety Class I instrument (provided with a protective earthing ground,
incorporated in the power cord). The mains plug shall only be inserted in a socket
outlet provided with a protective earth contact. Any interruption of the protective
conductor inside or outside of the instrument is likely to make the instrument
dangerous. Intentional interruption is prohibited.
– DO NOT allow the mains supply voltage fluctuation to exceed +/- 10% of
WARNING
– DO NOT operate the product in an explosive atmosphere or in the
– DO NOT operate the instrument in a wet environment.
– DO NOT use repaired fuses or short-circuited fuseholders: For continued
– DO NOT perform procedures involving cover or shield removal unless you
– DO NOT service or adjust alone: Under certain conditions, dangerous
– DO NOT operate damaged equipment: Whenever it is possible that the
Keysight N1913B/N1914B EPM Series Power Meters Service Guide
the nominal supply voltage. Instrument is designed for use in
Overvoltage Category II and Pollution Degree 2.
presence of flammable gases or fumes.
protection against fire, replace the line fuse(s) only with fuse(s) of the
same voltage and current rating and type.
are qualified to do so: Operating personnel must not remove equipment
covers or shields. Procedures involving the removal of covers and shields
are for use by service-trained personnel only.
voltages may exist even with the equipment switched off. To avoid
dangerous electrical shock, service personnel must not attempt internal
service or adjustment unless another person, capable of rendering first
aid and resuscitation, is present.
safety protection features built into this product have been impaired,
either through physical damage, excessive moisture, or any other reason,
REMOVE POWER and do not use the product until safe operation can be
verified by service-trained personnel. If necessary, return the product to a
Keysight Technologies Sales and Service Office for service and repair to
ensure the safety features are maintained.
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