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CEN - EN 352-4

Hearing protectors - Safety requirements - Part 4: Level-dependent earmuffs

active, Most Current
Organization: CEN
Publication Date: 1 November 2020
Status: active
Page Count: 12
ICS Code (Head protective equipment): 13.340.20
scope:

This document is applicable to level-dependent earmuffs. It specifies requirements on construction, design, performance, marking and user information related to the inclusion of the level-dependent functionality.

Level-dependent earmuffs are designed to provide restoration of external sounds, while providing attenuation of sounds at high levels. They may be selected for use in intermittent or impulsive noise environments and where external warning sounds are required to be heard. This document is concerned with those earmuffs having an electronic sound restoration circuit.

Document History

EN 352-4
November 1, 2020
Hearing protectors - Safety requirements - Part 4: Level-dependent earmuffs
This document is applicable to level-dependent earmuffs. It specifies requirements on construction, design, performance, marking and user information related to the inclusion of the level-dependent...
March 1, 2001
Hearing Protectors - Safety Requirements and Testing - Part 4: Level-Dependent Ear-Muffs
A description is not available for this item.
March 1, 2001
Hearing Protectors - Safety Requirements and Testing - Part 4: Level-Dependent Ear-Muffs
A description is not available for this item.

References

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