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About This Item

 

Full Description

BS EN ISO 4869-1:2018 specifies a subjective method for measuring sound attenuation of hearing protectors at the threshold of hearing. The method is a laboratory method designed to yield reproducible values under controlled measurement conditions. The values reflect the attenuating characteristics of the hearing protector only to the extent that users wear the device in the same manner as did the test subjects.

Cross References:
IEC 60263
IEC 61260-1
ISO 8253-2
EN 13819-1
ISO 389-1
ISO 354
ANSI S3.20-2015
ANSI S12.6-2016
ISO 7240-24
ISO/TS 4869-5
ISO 8253-1
GUM:1995
ISO/IEC Guide 98-3


All current amendments available at time of purchase are included with the purchase of this document.
 

Document History

  1. BS EN ISO 4869-1:2018

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    Acoustics. Hearing protectors-Subjective method for the measurement of sound attenuation

    • Most Recent
  2. BS EN 24869-1:1993


    Acoustics. Hearing protectors-Sound attenuation of hearing protectors. Subjective method of measurement

    • Historical Version
  3. BS 5108:1983


    Method for measurement of sound attenuation of hearing protectors

    • Historical Version