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 Customized
Anti noise Earplugs |
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Silent Characteristics (CE 0496) Silent is a customized individual protection device (IPD). Efficaciously protects hearing from those pathologies (acoustic trauma, noise hypoacusis) that often strike people exposed for a long time to high intensity sound levels. Material Silent is made of high temperature polymerized metacrilate. (material quality certificate n°91/155/EEC 04/94; released by "TÜV Rheinland Product Safety GmbH" - Germany -, produced by certified agency DIN EN ISO 9002/08.94 - DIN EN 46002/12.93) Hygiene Silent is endowed with hygienic hold, built to ease insertion and extraction and avoid that the part inserted in the external hearing conduit would be touched by dirty hands. Comfort Silent can be continuously worn
during working time. Life Silent must be cleaned every day with simple detergents. A regular maintenance grants this device un unlimited life. Avoid contact with aggressive substances like solvents, petrol etc. Services included in the supplying:
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Silent is endowed with an active
filter, which guarantees a high attenuation on hearing frequencies
most damaged from high density noise sources, and at the same time
lets pass verbal information necessary to communication. Working on the screw is possible to increase or decrease attenuation according to your needs. Silent in such a case is a good means of prevention of work injuries. |
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Attenuation Tables The sound levels in the graphic underneath, refer to audiometric tests taken with the attenuation filter in a completely screwed position. The values of the variables APV, H, M, L and SNR
have been calculated, as requested by the relating rule EN 352-2:1993,
by the formulas expressed in the rule ISO 4869-2, using the value
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