Safety Warnings - Megger MJ10 Guide De L'utilisateur

The circuit under test must be de-energized and isolated before connections are made
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except for voltage measurement.
Circuit connections must not be touched during a test.
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After insulation tests, capacitive circuits must be allowed to discharge before
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disconnecting the test leads. Automatic discharge is an additional safety feature and
should not be regarded as a substitute for normal safe working practice.
The 'Test' button must not be pressed when making a voltage test.
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U.K. Safety Authorities recommend the use of fused test leads when measuring voltage
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on high energy systems.
Replacement fuses must be of the correct type and rating.
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Test leads, including crocodile clips, must be in good order, clean and have no broken or
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cracked insulation.
Warnings and Precautions must be read and understood before the instrument is used.
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They must be observed during use.
This equipment is designed for use only in a controlled electromagnetic environment.
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CAT II
Measurement category II: Equipment
connected between the electrical
outlets and the user's equipment.
the instruments must only be used by suitably trained and competent persons

SAFETY WARNINGS

CAT III
Measurement category III: Equipment
connected between the distribution
panel and the electrical outlets.
note
CAT IV
Measurement category IV: Equipment
connected between the origin of the
low-voltage mains supply and the
distribution panel.
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