Standard

SN EN ISO 4869-3:2007

Sep 2007 Current

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Abstract

ISO 4869-3:2007 specifies a method for measuring the insertion loss of ear-muff type hearing protectors using an acoustic test fixture. The method is applicable to the investigation of production spreads of performance as part of type approval or certification procedures, and to the investigation of the change of performance with age. It is intended to ensure that ear-muff hearing protector samples submitted for subjective testing of attenuation according to ISO 4869-1 have performances typical of the type. The method specified in ISO 4869-3:2007 is not applicable as the basic test for type approval. Performance data obtained by this method are not intended to be quoted as representing the real-ear sound attenuation of an ear-muff, nor the protection provided by the ear-muff.

Products specifications

Standard from INB
Published: September 1 2007
Effective: September 1 2007
Document type: EN
Pages
ISBN:

ICS: 13.340.20
Publisher: SNV
Distributor: SNV
National Committee: INB/NK 103

Swiss Federal Authority: SECO
Designated under following Swiss law: 930.111
Designated under following EU law: 89/686/EWG

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Adopted from: ISO 4869-3:2007, IDT

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Abstract

Products specifications

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