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by any means, without prior written consent from Brüel & Kjær Sound & Vibration Measurement

A/S, Nærum, Denmark

Safety Considerations

This apparatus has been designed and tested in accordance with IEC/EN 61010 – 1 and

ANSI/UL 61010 – 1 Safety Requirements for Electrical Equipment for Measurement,

Control and Laboratory Use. 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 interface.

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

• Do not dispose of electronic equipment or batteries as unsorted municipal waste

• It is your responsibility to contribute to a clean and healthy environment by using

the appropriate local return and collection systems

• Hazardous substances in electronic equipment or batteries may have detrimental

effects on the environment and human health

• The symbol shown to the left indicates that separate collection systems must be used

for any discarded equipment or batteries marked with that symbol

• Waste electrical and electronic equipment or batteries may be returned to your

local Brüel & Kjær representative or to Brüel & Kjær Headquarters for disposal

BRUEL & KJAER 4204 User Manual

Questions and Answers: