Megger Vidar User manual

User guide
VIDAR
Vacuum interrupter tester
Art No. ZP-BR01E Doc. BR0150JE V05a 2023

Contents
1 Safety
............................................................. 4
1.1 Symbols on the instrument ..........................4
1.2 Safety instructions........................................4
2 Introduction
............................................................. 6
2.1 General........................................................6
2.2 Flashover threshold voltage..........................6
3 Instrument description
............................................................. 8
4 Operating instructions
........................................................... 10
4.1 Connecting................................................10
4.2 Conducting a test ......................................10
5 Troubleshooting
........................................................... 12
6 Specifications
........................................................... 14

VIDAR
Vacuum interrupter tester
NOTICE OF COPYRIGHT & PROPRIETARY RIGHTS
© 2013-2023, Megger Sweden AB. All rights reserved.
The contents of this manual are the property of Megger Sweden AB. No part of this work may be reproduced or transmitted in any form or
by any means, except as permitted in written license agreement with Megger Sweden AB. Megger Sweden AB has made every reasonable
attempt to ensure the completeness and accuracy of this document. However, the information contained in this manual is subject to change
without notice, and does not represent a commitment on the part of Megger Sweden AB. Any attached hardware schematics and technical
descriptions, or software listings that disclose source code, are for informational purposes only. Reproduction in whole or in part to create
working hardware or software for other than Megger Sweden AB products is strictly prohibited, except as permitted by written license
agreement with Megger Sweden AB.
TRADEMARK NOTICES
Megger® and Programma® are trademarks registered in the U.S. and other countries. All other brand and product names mentioned in this
document are trademarks or registered trademarks of their respective companies.
Megger Sweden AB is certified according to ISO 9001 and 14001.
User guide
Postal address:
Megger Sweden AB
Box 724
SE-182 17 DANDERYD
SWEDEN
T+46 8 510 195 00
[e-mail] www.megger.com
Visiting address:
Megger Sweden AB
Rinkebyvägen 19
SE-182 36 DANDERYD
SWEDEN
BR0150JE ZP-BR01E VIDAR 3

4VIDAR ZP-BR01E BR0150JE
1 SAFETY
1Safety
1.1 Symbols on the
instrument
Caution, refer to accompanying docu-
ments.
Protective conductor terminal.
WEEE, Waste Electrical and Electronic
Equipment. Please utilize your local
WEEE collection facilities in the dispo-
sition of this product and otherwise
observe all applicable requirements.
1.2 Safety instructions
Important
Read and comply with the following in-
structions.
Always comply with local safety regula-
tions.
Warning
People with pacemakers must not use the VIDAR
since a pacemaker can be disturbed by the electrical
discharges.
When testing a circuit breaker that is permanently
mounted you must make certain that there is no risk
of burning out the collector busbar if it can not be
disconnected.
Circuit breakers on vehicles and also circuit break-
ers of the plug-in type must be tested outside their
holders.
Applying abnormally high voltage across a pair of
contacts in vacuum may be dangerous. However, as
a precautionary measure against possibility of ap-
plication of higher than recommended voltage (or a
contact spacing below normal), it is recommended
that all operating personnel stands at least 3 m
(10 ft) away in front of the breaker.
High voltage/current on input/output terminals.
Do not attempt to service the instrument yourself.
Opening or removing covers may expose you to dan-
gerous voltage. If you attempt to service the instru-
ment yourself the warranty is no longer valid.
Do not use any accessories that are not intended for
use together with the instrument.
Disconnect the instrument from the mains before
cleaning. Use a damp cloth for cleaning. Do not use
liquid cleaners or aerosol cleaners.

BR0150JE ZP-BR01E VIDAR 5
1 SAFETY
Important
Always turn the equipment off before connecting.
Always use manufacturer approved and supplied
cable sets.
Always connect protective earth (ground).
Never leave the instrument unattended while it is
turned on.
Use only approved mains detachable cable set with
the instrument. Main supply cables shall be rated
for the maximum current for the equipment and the
cable shall meet the requirements of IEC 60227 or
IEC 60245. Mains supply cables certified or approved
by a recognized testing authority are regarded as
meeting this requirement.
Unplug the instrument from the mains supply when
it is left unattended or not in use.
Do not expose the instrument to rain or moisture.
Refer all servicing to Megger authorized personnel.
If you need to return the instrument, please use
either the original crate or one of equivalent strength