Chrániče sluchu - Bezpečnostní požadavky - Část 6: Mušlové chrániče s bezpečnostním komunikačním zařízením (Norma k přímému použití jako ČSN). (Platnost do 30.4.2027).

The information about the standard:

Designation standards: ČSN EN 352-6-ed.2
Classification mark: 832121
Catalog number: 512125
Publication date standards: 1.6.2021
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Kategória: Technické normy ČSN

Annotation of standard text ČSN EN 352-6-ed.2 (832121):

This document is applicable to earmuffs 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.
Earmuffs 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