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ČSN EN 352-9+A1 (832121)
Hearing protectors - Safety requirements - Part 9: Earplugs with safety-related audio input
Translate name
STANDARD published on 1.9.2024
The information about the standard:
Designation standards: ČSN EN 352-9+A1
Classification mark: 832121
Catalog number: 519517
Publication date standards: 1.9.2024
SKU: NS-1195672
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 352-9+A1 (832121):
A1
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 Bluetooth1. 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
Preview of the standard ČSN EN 352-9+A1 (832121)
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