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BS EN 352-3:2020

BS EN 352-3:2020

$142.49

Hearing protectors. General requirements – Earmuffs attached to head protection and/or face protection devices

Published By Publication Date Number of Pages
BSI 2020 24
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This document specifies requirements for construction, design, performance, marking and user information for earmuffs attached to head protection and/or face protection devices, hereinafter referred to as ‘mounted earmuffs’.

In particular, it specifies requirements regarding the sound attenuation of mounted earmuffs, measured in accordance with EN ISO 4869?1:2018.

The document does not apply to earmuffs outside the size range of headsizes as defined in this standard.

Because one model of earmuffs designed to be attached to head protection and/or face protection devices can be fitted to a number of other models and sizes of the carrier, this part of the standard sets out a series of physical and acoustic requirements for earmuffs when fitted to the specified model(s) or size(s) of head protection and/or face protection device.

All requirements apply to earmuffs fitted to one of the specified models or sizes of head protection and/or face protection device (the basic combination). An abbreviated set of requirements applies to the same model of earmuffs when fitted to the other specified models or sizes of head protection and/or face protection device (the supplementary combinations).

Ergonomic aspects are addressed by taking into account, within the requirements, the interaction between the user, the device and, where possible, the working environment in which the device is likely to be used (see Annex ZA and EN 458).

PDF Catalog

PDF Pages PDF Title
2 undefined
8 1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviations
3.1 Terms and definitions
11 3.2 Symbols and abbreviations
4 Requirements
4.1 Sizing
4.2 Materials and construction
4.2.1 Materials
12 4.2.2 Construction
4.3 Performance
4.3.1 General
4.3.2 Sizing and adjustability
4.3.2.1 General
4.3.2.2 ‘Medium size range’ mounted earmuffs
4.3.2.3 ‘Small size range’ mounted earmuffs
4.3.2.4 ‘Large size range’ mounted earmuffs
4.3.3 Cup rotation
4.3.4 Headband force
13 4.3.5 Cushion pressure
14 4.3.6 Resistance to damage when dropped
4.3.7 Resistance to damage when dropped at low temperature (optional)
4.3.8 Change in headband force (including optional water immersion with headband under stress)
4.3.9 Insertion loss
4.3.10 Resistance to leakage
4.3.11 Ignitability
15 4.3.12 Minimum sound attenuation
5 Marking
6 User information
19 Annex A (informative)Technical changes between this document and the previous edition of this European Standard
21 Annex ZA (informative)Relationship between this European Standard and the essential requirements of Regulation (EU) 2016/425 aimed to be covered

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BS EN 352-3:2020
$142.49