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BSI
BS ISO 4869-6:2019

BS ISO 4869-6:2019

Current

Current

The latest, up-to-date edition.

Acoustics. Hearing protectors Determination of sound attenuation of active noise reduction earmuffs

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

05-02-2019

Publisher

British Standards Institution

This document is concerned with active noise reduction (ANR) earmuffs.

This document is concerned with active noise reduction (ANR) earmuffs. It specifies the test methods for the determination of the active insertion loss and calculation procedures for deriving the total attenuation. For this aim, the values of sound attenuation in the passive mode also have to be known and are determined according to ISO4869‑1. These methods are intended for steady noise exposures and are not applicable to noises containing impulsive components.

The test methods account for the acoustical interaction between the wearer and the device using measurements of passive (REAT) and active microphone-in-real-ear (MIRE) measurements as specified in ISO4869‑1 and ISO11904‑1, respectively.

Committee
EH/1/1
DocumentType
Standard
ISBN
9780580869013
Pages
20
PublisherName
British Standards Institution
Status
Current

Standards Relationship
ISO 4869-6:2019 Identical

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Hardcopy - English
PDF - English
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