User`s guide

x N1911/1912A P-Series Power Meters User’s Guide
General Safety Information
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.
WARNING
• DO NOT operate the product in an explosive atmosphere or in the
presence of flammable gasses or fumes.
• DO NOT use repaired fuses or short-circuited fuseholders: For
continued protection against fire, replace the line fuse(s) only with
fuse(s) of the same voltage and current rating and type.
• DO NOT perform procedures involving cover or shield removal
unless you 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.
• DO NOT service or adjust alone: Under certain conditions, dangerous
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.
• DO NOT operate damaged equipment: Whenever it is possible that
the 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 Agilent Technologies Sales and
Service Office for service and repair to ensure the safety features are
maintained.
• DO NOT substitute parts or modify equipment: Because of the danger
of introducing additional hazards, do not install substitute parts or
perform any unauthorized modification to the product. Return the
product to a Agilent Technologies Sales and Service Office for
service and repair to ensure the safety features are maintained.