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ČSN EN 352-4-ed.2 (832121)
Hearing protectors - Safety requirements - Part 4: Leveldependent earmuffs
Translate name
STANDARD published on 1.6.2021
The information about the standard:
Designation standards: ČSN EN 352-4-ed.2
Classification mark: 832121
Catalog number: 512123
Publication date standards: 1.6.2021
SKU: NS-1026141
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN 352-4-ed.2 (832121):
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
Preview of the standard ČSN EN 352-4-ed.2 (832121)
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