Megger 210170 User Manual

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.
Symbols used on the instrument
Caution: risk of electric shock
Caution: refer to accompanying notes
Equipment protected throughout by Double
Insulation (Class
II)
NOTE
THE INSTRUMENT MUST ONLY BE USED BY SUITABLY TRAINED AND COMPETENT
PERSONS.
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Megger 210170 Specifications

General

Brand	Megger
Model	210170
Category	Test Equipment
Language	English

Summary

Safety Warnings and Symbols

Safety Precautions

Essential safety warnings and precautions for instrument usage, including circuit isolation and test lead conditions.

Symbols Used on the Instrument

Explanation of safety symbols found on the instrument, indicating electrical hazards and cautionary notes.

Instrument Operation

Default Voltage Measurement

Procedure for using the instrument as a voltmeter (0-600V a.c.) without pressing the test button.

Low Resistance Measurement

Steps to perform low resistance (Ω) measurements using the rotary selector and test push.

Insulation Testing

Instructions for performing insulation tests (MΩ) including lead connection, test execution, and discharge monitoring.

Advanced Features and Specifications

Using the Guard Terminal

Explanation of how to use the guard terminal to mitigate surface leakage effects in insulation testing.

Specification Details

Detailed specifications for Insulation, Terminal Characteristics, Low Resistance, and Default Voltage measurements.

General Information and Accessories

Environmental and Power Specifications

Details on operating/storage temperature, humidity, automatic discharge, and power supply for the instrument.

Fuses and Fuse Replacement

Information on the instrument's fuses, including type, rating, and the procedure for replacement.

Physical Specifications and Cleaning

Instrument weight, dimensions, and recommended cleaning procedures.

Supplied and Optional Accessories

List of accessories supplied with the instrument and available optional items.

Repair and Warranty Information

Instrument Warranty and Repair Services

Details on the 1-year warranty, note on unauthorized repairs, and contact information for service and spare parts.

Approved Repair Companies and Return Procedure

Guidance on authorized repair companies and the process for returning the instrument for repair.