Specifies constructional, design and performance requirements, test methods, marking requirements and user information for ear muffs when fitted to an industrial safety helmet. Requires information to be made available concerning the sound characteristi
SANS 50352-3:2008 history
2008SANS 50352-3:2008 Hearing protectors - Safety requirements and testing Part 3: Ear-muffs attached to an industrial safety helmet
2002SANS 50352-3:2002 Hearing protectors - Safety requirements and testing Part 3: Ear-muffs attached to an industrial safety helmet