EN 352-1: 2002 - Hearing Protectors – Ear Muffs
EN 352-2: 2002 - Hearing Protectors – Ear Plugs
EN 352-3: 2002 - Hearing Protectors – Helmet Mounted Ear Muffs
EN 352-4: 2002 - Hearing Protectors – Level Dependent Ear Muffs
En 352-8: 2002
Earmuffs with Entertainment Radio
All these standards establish requirements with regards to the manufacture, design, performance and test methods
SNR (Simplified Noise Reduction)
Single average value of attenuation.
HML: Attenuation values expressed in terms of average levels of frequencies:
H : Attenuation of PPE at high frequencies (pitched noises).
M: Attenuation of PPE at medium frequencies.
L: Attenuation of PPE at low frequencies (bass sounds)
EN 166: 2001
Personal Eye Protection
European Standard, applying to all types of individual protection of the eye which protects from hazards likely to damage the eye, except nuclear radiation, x-rays, laser emissions and infrared emitted by low-temperature sources. Does not apply to eye protection for which separate standards exist (E.g anti-laser eye protection, sunglasses for general use).