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EN ISO 4869-3:2007 Standard

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  Keywords:

#performance #investigation #method #part #protectors

  This standard is no longer addressed in the last official Journal publication of the "2025-05-14 ". This standard is addressed for the last time in the official journal publication of the "2022-12-06"

  Directive

Personal protective equipment Regulation ((EU) 2016/425)

  Last Official Journal reference

Tuesday 6th of December 2022

  Description:

Acoustics Hearing protectors Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture (ISO 4869-3:2007)

  Purpose

This part of ISO 4869 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.

  Publication

Tuesday 26th of June 2018

  Reference

This standard supersedes the "EN 24869-3:1993"

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