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Active noise reduction hearing protector
Domain: Health and safety at work => Preventive measures => Personal protective equipment
Grammatical category
Noun phrase
Grammar notes
Hearing protectors which incorporate an electronic sound cancelling system to achieve additional noise attenuation.
Active Noise Reduction is particularly effective at low frequencies (50-500 Hz) where ordinary protectors can be less effective. ANR protectors are usually based on an ear-muff type protector.
Definition source
European legislation
Directives 86/188/EEC, 89/686/EEC, 2003/10/EC
British legislation
The Personal Protective Equipment Regulations 2002; The Control of Noise at Work Regulations 2005
Contained in
ANR protector