Standards for Ear Protection

Standard Discription
EN 352-1 Ear muffs with earpieces that cover the entire outer ear. Attenuation value and material may vary.
EN 352-2 Earplugs that are inserted into the ear canal. Various materials with different attenuation values can be used.
EN 352-3 Earmuffs without earpieces, e.g. for mounting on a helmet or face shield.
EN ISO 9612 Determination of noise exposure at the workplace. (According to SUVA, noise protection measures must be taken from a noise level of =>85dB).
dB Indicates by how many decibels the noise level is reduced. Example: Noise level 100dB - hearing protection 23dB = 77dB at the ear.