BRUEL & KJAER 2663, Technical Documentation Manual

Page: 5 / 54

Brüel & Kjær Preamplifiers Types 2663 and 2663 B
User Manual
Safety Considerations
This apparatus has been designed and tested in accordance with IEC 61010 – 1 and EN 61010 – 1
Safety Requirements for Electrical Equipment for Measurement, Control and Laborato-
ry Use
(see specifications). This Manual contains information and warnings which must be
followed to ensure safe operation and to retain the apparatus in safe condition. Special note
should be made of the following:
Safety Symbols
The apparatus will be marked with this symbol when it is important that you refer to the
associated warning statements given in the Manual.
Protective Earth Terminal Hazardous Voltage
Explosion Hazard
The equipment is not designed to be used in potentially explosive environments. It should not
be operated in the presence of flammable liquids or gases.
Warnings
• Switch off all power to equipment before connecting or disconnecting their digital inter-
face. Failure to do so could damage the equipment.
• Whenever it is likely that the correct function or operating safety of the apparatus has
been impaired, it must be made inoperative and be secured against unintended operation.
• Any adjustment, maintenance and repair of the open apparatus under voltage must be
avoided as far as possible and, if unavoidable, must be carried out only by trained service
personnel.
Trademarks
TEFLON is a registered trademark of E.I. du Pont de Nemours and Company.
Copyright © 1990 – 2003, Brüel & Kjær Sound & Vibration Measurement A/S
All rights reserved. No part of this publication may be reproduced or distributed in any form
or by any means without prior consent in writing from Brüel & Kjær Sound & Vibration Meas-
urement A/S, Nærum, Denmark.