AEMC GROUNDFLEX 6474, Руководство пользователя

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GroundFlex™ Adapter Model 6474
3
CHAPTER 1
INTRODUCTION
WARNING
These safety warnings are provided to ensure the safety of personnel.
Please read and comply with these precautions:
This instrument is protected from accidental voltages of not more than •
50V with respect to earth in measurement Cat. IV. The guaranteed level
of protection of this equipment may be compromised if used in a manner
not specified by the manufacturer.
Safety is the responsibility of the operator.
•
All metal objects or wires connected to the electrical system should be •
assumed to be lethal until tested. Grounding systems are no exception.
Never exceed the maximum rated voltage and current, and the mea
- •
surement category.
Never exceed the protection limits, and always comply with the condi
- •
tions and place of use, indicated in the specifications.
Do not use the instrument or its accessories if they appear damaged.
•
Use accessories that have overvoltage category and service voltages •
greater than or equal to those of the instrument (Cat. IV 50V). Use only
accessories that comply with safety standards (IEC 61010-2-031 & 32).
Wear the appropriate protective gear (insulating boots and gloves).
•
Check that no terminal is connected and the switch is set to OFF before •
opening the device.
Use only the charging unit supplied with the instrument to recharge the
•
battery.
Troubleshooting and metrological verification procedures must only be •
performed by qualified, approved personnel, or the factory.
NOTE: • The potentials on the various rods used for an earth measurement
may be different if a nearby electrical installation is defective or certain
weather conditions prevail (thunderstorms). It is up to the operator
to decide whether to continue or postpone measurements in these
situations.