DIN EN ISO 4869-3:2007 Edition

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Acoustics – Hearing protectors – Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture

Published By	Publication Date	Number of Pages
DIN	2007-09	19

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Description

This Standard specifies a method for measuring the insertion loss of ear-muff type hearing protectors using an acoustic test fixture. The method may be used to investigate production spreads of performance as part of type approval or certification procedures, to investigate the change of performance with age, to ensure that ear-muff hearing protector samples submitted for subjective testing of attenuation according to ISO 4869-1 have performance typical of the type.

Additional information

Published Code	DIN
Published By	Deutsches Institut für Normung
Publication Date	2007-09
Pages Count	19
Language	Germany
Descriptors	Acoustic measurement, Acoustic testing, Acoustics, CE marking, Closed test rooms, Convergence, Data, Definitions, Ear muffs, Ear protectors, Ear-muff type wearing protectors, Inspection, Insulations, Measurement, Measuring equipment, Measuring techniques, Methods, Microphones, Noise, Noise reduction, Pressing force, Procedures, Quality control, Safety devices, Shafts, Signals, Sound, Sound insulation, Sound intensity, Sound levels, Sound pressure level, Test apparatus, Testing, Tests, Tunnels, Processes
File Size	327.7 KB

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DIN EN ISO 4869-3:2007 Edition

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