scope:

This part of the standard is concerned with ear-muffs and specifies constructional, design and performance requirements, methods of test, marking requirements and user information. It calls for information to be made available concerning the sound attenuation characteristics of the ear-muffs measured in accordance with EN 24869-1, and defines a minimum level of attenuation required for compliance with this specification. This part of the standard does not deal with ear-muffs for attachement to a helmet or which are part of a helmet. Neither does it deal with the performance of electronic devices which may be incorporated within ear-muffs nor amplitude sensitive ear-muffs. This standard does not deal with the performance of hearing protectors to impulsive noise.