Megger 210170 User Manual

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M 210170
Insulation &
Low Resistance Tester
User Guide

SAFETY WARNINGS

Safety Warnings and Precautions must be read and understood
before the instrument is used. They must be observed during use.
The circuit under test must be switched off, de - energized and
isolated before Insulation or Continuity tests are made.
Circuit connections must not be touched during a test.
The test button must not be pressed while connecting the test
leads or while changing ranges.
The 'Test' button must not be pressed when making a voltage test.
The Default Voltmeter, and Automatic discharge are additional
safety features and should not be regarded as a substitute for
normal safe working practice.
The 210170 is protected for connection to Power distribution
systems up to 300 V Line - Ground, and 500 V Line - Line for
Installation Category III*.
It is recommended that fused test leads are used when measuring
voltage on high energy systems.
After insulation tests, capacitive circuits must be allowed to
discharge before disconnecting the test leads.
Test leads, prods and alligator clips must be in good order; clean,
and with no broken or cracked insulation.
Replacement fuses must be of the correct size, type and rating.
NOTE
THE INSTRUMENT MUST ONLY BE USED BY SUITABLY TRAINED AND COMPETENT
PERSONS
Symbols used on the instrument
Caution: risk of electric shock
Caution: refer to accompanying notes
Equipment protected throughout by Double
Insulation (Class II)
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