Specification; Safety Information; General - HP 4934A Operating And Calibration Manual

General
Specification
Instrument specifications are listed on Page 3-10. These specifications are
the performance standards or limits against which the instrument is tested.
Safety Information
The following general safety precautions must be observed during all phases of
operation, service, and repair of this instrument. Failure to comply with these
precautions or with specific warnings elsewhere in this manual violates safety
standards of design, manufacture, and intended use of the instrument. Hewlett-
Packard Company assumes no liability for the customer's failure to comply with
these requirements.
This is a Safety Class I instrument (provided with a protective earthing ground,
incorporated in the powercord). 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 instmment is likely to make the instrument
dangerous. Intentional interruption is prohibited.
DO NOT operate the product in an explosive atmosphere or in the presence of
flammable gasses or tumes.
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
3-2 General Information