DIN EN 352-9:2021 Edition

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Hearing protectors – Safety requirements – Part 9: Earplugs with safety-related audio input

Published By	Publication Date	Number of Pages
DIN	2021-03	10

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Category: DIN

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Description

This document is applicable to earplugs supplemented by a safety-related audio input. The audio signal can be transmitted by electrical input or other communication like Bluetooth. It specifies requirements on construction, design, performance, marking and user information related to the inclusion of the safety-related audio input. Earplugs with safety-related audio input are designed to provide speech information and warning signals, while providing attenuation of external sound. They may be selected for use in a number of different environments, for example in air traffic communication, in the police forces, in the broadcasting and entertainment industries.

Additional information

Published Code	DIN
Published By	Deutsches Institut für Normung
Publication Date	2021-03
Pages Count	10
Language	Germany
Descriptors	Acoustic properties and phenomena, Acoustic signals, Acoustics, Alarm signals, Audio, Audio signals, Bluetooth, Broadcasting, Definitions, Design, Ear plugs, Ear protectors, Electrical, Flight service, Hearing protector, Information, Inspection, Languages, Level control, Marking, Noise, Noise control, Noise reduction, Occupational safety, Performance requirements, Police forces, Protective clothing, Protective equipment, Safety, Safety engineering, Safety requirements, Sound, Sound insulation, Sound intensity, Sound levels, Sound pressure level, Sound reproduction, Specification (approval), Test apparatus, Testing, User information, Warnings, Workplace safety
File Size	1.2 MB

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DIN EN 352-9:2021 Edition

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