SIST EN 352-3:2003
(Main)Hearing protectors - General requirements - Part 3: Ear-muffs attached to an industrial safety helmet
Hearing protectors - General requirements - Part 3: Ear-muffs attached to an industrial safety helmet
This part of the standard specifies requirements for construction, design, performance, marking and user information for ear-muffs fitted to an industrial helmet which complies with EN 397, Industrial safety helmets. In particular, it calls for the sound attenuation of the ear-muffs, measured in accordance with EN 24869-1, to be declared and to be not less than a specified minimum. The requirements of this standard are intended to take account of the ergonomic interaction between the wearer, the device and where possible the working environment in which the device is likely to be used (see Annex ZA, of this standard and EN 458).
Gehörschützer - Allgemeine Anforderungen - Teil 3: An Industriehelmen befestigte Kapselgehörschützer
Dieser Teil der Norm legt Anforderungen hinsichtlich Konstruktion, Gestaltung, Leistung, Kennzeichnung und Benutzerinformationen für Kapselgehörschützer fest, die an Industrieschutzhelmen befestigt sind, die EN 397, Industrieschutzhelme, entsprechen. Im besonderen fordert sie die Angabe der durch die Kapselgehörschützer geleisteten nach EN 24869-1 gemessenen Schalldämmung einen festgelegten Mindestwert nicht unterschreiten darf. Die Anforderungen dieser Norm haben das Ziel, die ergonomische Wechselwirkung zwischen dem Benutzer, dem Gerät und wo möglich der Arbeitsumgebung, in der das Gerät voraussichtlich benutzt wird, zu berücksichtigen (siehe Anhang ZA dieser Norm und EN 458).
Protecteurs individuels contre le bruit - Exigences générales - Partie 3: Serre tete montés sur casque de sécurité industriel
La présente partie de la norme spécifie les exigences en matiere de construction, de conception, de performances et de marquage des serre-tete montés sur casque de sécurité industriel conforme a l'EN 397 ainsi que les informations destinées a l'utilisateur.
Elle prescrit en particulier une déclaration de l'affaiblissement acoustique des serre-tete montés sur casque, mesuré conformément a l'EN 24869-1.
Du fait qu'un meme modele de serre-tete peut etre monté sur différents modeles ou tailles de casques de sécurité industriel, la présente partie de la norme définit une série d'exigences physiques et acoustiques fonction du modele ou de la taille de casque sur lequel le serre-tete est monté.
Les exigences s'appliquent en totalité a la combinaison de base, c'est-a-dire aux serre-tete montés sur l'un des modeles ou l'une des tailles de casque spécifiés, et en partie seulement a la combinaison supplémentaire, c'est-a-dire aux serre-tete du meme modele mais montés sur des casques de modele ou de taille autre que ceux qui sont spécifiés.
Il est exigé de mettre a disposition les informations sur la gamme de casques testés avec les serre-tete, et dont les combinaisons satisfont a la présente norme.
Les aspects ergonomiques sont abordés en tenant compte de l'interaction entre la personne qui porte les serre-tete, l'appareil et, quand cela est possible, l'environnement de travail dans le lequel l'appareil est susceptible d'etre utilisé (voir l'annexe ZA et l'EN 458).
Varovala sluha - Splošne zahteve - 3. del: Naušniki za pritrditev na industrijsko varnostno čelado
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Gehörschützer - Allgemeine Anforderungen - Teil 3: An Industriehelmen befestigte KapselgehörschützerProtecteurs individuels contre le bruit - Exigences générales - Partie 3: Serre tete montés sur casque de sécurité industrielHearing protectors - General requirements - Part 3: Ear-muffs attached to an industrial safety helmet13.340.20Varovalna oprema za glavoHead protective equipmentICS:Ta slovenski standard je istoveten z:EN 352-3:2002SIST EN 352-3:2003en01-januar-2003SIST EN 352-3:2003SLOVENSKI
STANDARDSIST EN 352-3:19981DGRPHãþD
SIST EN 352-3:2003
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 352-3October 2002ICS 13.340.20Supersedes EN 352-3:1996English versionHearing protectors - General requirements - Part 3: Ear-muffsattached to an industrial safety helmetProtecteurs individuels contre le bruit - Exigencesgénérales - Partie 3: Serre tête montés sur casque deprotection pour l'industrieGehörschützer - Allgemeine Anforderungen - Teil 3: AnIndustriehelmen befestigte KapselgehörschützerThis European Standard was approved by CEN on 18 August 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2002 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 352-3:2002 ESIST EN 352-3:2003
EN 352-3:2002 (E)2ContentspageForeword.3Introduction.41Scope.52Normative references.53Terms and definitions.54Requirements.74.1 Sizing.74.2 Materials and construction.74.3 Performance.75Marking.106Information supplied by the manufacturer.106.1 General.106.2 Wearer information.116.3 Additional information.12Annex A
(informative)
Uncertainty of measurement and interpretation of test results.13Annex ZA (informative) Clauses of this European standard addressing essential requirements orother provisions of EU Directives.15Bibliography.16SIST EN 352-3:2003
EN 352-3:2002 (E)3ForewordThis document (EN 352-3:2002) has been prepared by Technical Committee CEN/TC 159, "Hearing protectors",the secretariat of which is held by SIS.This European Standard shall be given the status of a national standard, either by publication of an identical text orby endorsement, at the latest by April 2003, and conflicting national standards shall be withdrawn at the latest byApril 2003.This document supersedes EN 352-3:1996.This document has been prepared under a mandate given to CEN by the European Commission and the EuropeanFree Trade Association, and supports essential requirements of EU Directive(s).For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this document.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain,Sweden, Switzerland and the United Kingdom.Annex A is informative.SIST EN 352-3:2003
EN 352-3:2002 (E)4IntroductionThis standard for ”Hearing Protectors : Ear-muffs attached to an industrial safety helmet : General requirements”,sets requirements for personal hearing protection devices in relation to Directive 89/686/EEC – Personal ProtectiveEquipment.The particular requirement in relation to the ability of hearing protectors to reduce noise below daily limit levels isaddressed in the standard by requiring the sound attenuation of the hearing protectors, measured in accordancewith EN 24869-1, to be not less than a specified minimum. Further, by requiring that the measured soundattenuation be declared, the selection of suitable hearing protectors for individual circumstances may beundertaken according to established practice.EN 352-1 deals with requirements for ear-muffs, EN 352-2 with ear-plugs, EN 352-3 with ear-muffs attached toindustrial safety helmets. EN 13819 deals with testing plans common to all types of hearing protectors covered bythis series of prENs, and is in two Parts; Part 1 : Physical test methods, and Part 2 : Acoustic test methods.Additional safety requirements and the associated test procedures for level-dependent ear-muffs are contained inEN 352-4, for ear-muffs with active noise reduction in prEN 352-5, for ear-muffs with audio communications in prEN352-6 and for level-dependent ear-plugs in prEN 352-7.The Parts of prEN 352, other than Parts 1, 2 and 3, cover the performance of functions additional to passivehearing protection. Hearing protectors which incorporate one or more of these functions are subject to therequirements and tests of each of the relevant Parts of prEN 352, including Parts 1, 2 or 3, as appropriate.An associated standard EN 458, covers selection, use, care and maintenance of hearing protectors.The requirements of EN 352-3 are concerned primarily with the physical and acoustic performance of the ear-muffsfitted to an industrial helmet which complies with EN 397.The sizing requirements enable the great majority of the industrial population to be fitted satisfactorily by ”mediumsize range” helmet mounted ear-muffs. Populations of other sizes may be accommodated by ”small size range” or”large size range” helmet mounted ear-muffs, which are required to be accompanied by information regarding therange of sizes which they are designed to fit.The standard also calls for the values of sound attenuation afforded by the helmet mounted ear-muffs (measured inaccordance with EN 24869-1) in order to assist purchasers in selecting the most appropriate model for their needs.Minimum values of sound attenuation are also specified.A maximum variability in insertion loss, measured objectively after a series of performance tests, is specified. Theobjective test method only facilitates the making of comparative measurements, and the insertion loss valuesobtained will differ from the measured sound attenuation values.The latter, which require the helmet mounted ear-muffs to be tested whilst being worn by human test subjects, isregarded as providing the reference test method for the measurement of the acoustic performance of hearingprotectors.SIST EN 352-3:2003
EN 352-3:2002 (E)51 ScopeThis part of the standard specifies requirements for construction, design, performance, marking and userinformation for ear-muffs fitted to an industrial helmet which complies with EN 397.In particular, it specifies the sound attenuation of the helmet mounted ear-muffs, measured in accordance with EN24869-1.Because one model of ear-muffs designed to be attached to an industrial safety helmet can be fitted to a number ofhelmet models and sizes, this part of the standard sets out a series of physical and acoustic requirements for theear-muffs when fitted to the specified model(s) or size(s) of helmet.All requirements apply to the ear-muffs fitted to one of the specified models or sizes of helmet (the basiccombination), and an abbreviated set of requirements apply to the same model of ear-muffs when fitted to the otherspecified models or sizes of helmet (the supplementary combinations).Information on the range models of helmet tested with the ear-muffs, and for which the combination satisfied thisstandard, is required to be made available.Ergonomic aspects are addressed by taking into account, within the requirements, the interaction between thewearer, the device and where possible the working environment in which the device is likely to be used (see AnnexZA and EN 458).2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).EN 13819-1:2002, Hearing protectors - Testing - Part 1: Physical test methodsEN 13819-2:2002, Hearing protectors - Testing - Part 2: Acoustic test methodsEN 397, Industrial safety helmetsEN 960:1994, Headforms for use in the testing of protective helmetsEN ISO 4869-2, Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levelswhen hearing protectors are worn (ISO 4869-2:1994)3 Terms and definitionsFor the purposes of this European Standard, the following terms and definitions apply:3.1cuphollow component which is mounted on the equivalent headband and to which a cushion and a liner are usuallyfitted3.2cup supporting armarm, usually of metal or plastics, attached to the safety helmet shell and designed to enable the ear-muffs' cup to fitsecurely around the ear by exerting pressure through the cushion.
It includes the means of attachment to thesafety helmet shell3.3cushiondeformable component, usually containing a foam plastic or fluid filling, fitted to the rim of the cup to improve thecomfort and fit of the ear-muffs on the headSIST EN 352-3:2003
EN 352-3:2002 (E)63.4lineracoustically absorptive material contained within the cup which is intended to increase the attenuation of the ear-muffs at certain frequencies3.5ear-muffshearing protector consisting of a cup to be pressed against each pinna or of a circumaural cup to be pressedagainst the head around each pinna.
The cups may be pressed against the head with a headband or by means ofa device attached to a safety helmet or other equipment3.6headbandband designed to enable the ear-muffs to fit securely around the ears by exerting force against the cups andpressure through the cushions.
In the case of helmet mounted ear-muffs it is deemed to be that part of the helmetmounted ear-muffs which supports the cups. It comprises the safety helmet shell and the cup support arms, and isintended to be functionally equivalent to the headband of headband ear-muffs3.7helmetheadgear, primarily intended to protect the upper part of a wearer’s head against injury from falling objects andwhich complies with the requirements of EN 3973.8external vertical distancevertical distance between the top of the test headform on which the helmet is mounted and the highest point on theoutside surface of the helmet shell3.9insertion lossmean algebraic difference in decibels between the one-third octave band sound pressure level, measured by themicrophone of the acoustic test fixture in a specified sound field under specified conditions, with the hearingprotector absent, and the sound pressure level with the hearing protector on, with other conditions identical3.10parking positionposition of the ear-muffs in which the cups are located above the level of the lower edge of the helmet shell, asspecified by the ear-muffs manufacturer in accordance with 6.2(h) (see also 3.12)3.11sound attenuationfor a given test signal, the mean difference in decibels between the threshold of hearing with and without thehearing protector in place, for a panel of test subjects3.12stand-by positionposition of the ear-muffs in which the cups are located below the level of the lower edge of the helmet shell and inwhich the cushions are held away from the side of the head or pinna (see also 3.10)3.13basic combinationhelmet mounted ear-muffs which includes the first or only model or size of helmet to which a given model of ear-muffs is fitted, and which will undergo all the tests in the standard (see also 3.14)3.14supplementary combinationhelmet mounted ear-muffs which include a model or size of helmet, (other than the helmet of the basiccombination), to which is fitted the same model of ear-muffs as for the basic combination, and which will undergoan abbreviated set of tests (see also 3.13)SIST EN 352-3:2003
EN 352-3:2002 (E)73.15hygiene coverstemporary, disposable covers fitted over the cushions and intended to protect them from the effects of dirt,perspiration and cosmetics, etc4 Requirements4.1 SizingHelmet mounted ear-muffs shall be classified into three size ranges, ‘Medium size range’, ‘Small size range’ and‘Large size range'.‘Medium size range' ear-muffs shall be so classified if their adjustability complies with clause 4.3.2.2.'Small size range' ear-muffs shall be so classified if their adjustability complies with 4.3.2.3.'Large size range' ear-muffs shall be so classified if their adjustability complies with 4.3.2.4.'Small size range’ and ‘large size range' helmet mounted ear-muffs shall be accompanied by the informationspecified in 6.2 i).NOTE
A model of helmet mounted ear-muffs may fall into more than one size range.4.2 Materials and construction4.2.1 Materials4.2.1.1 Those parts of the ear-muffs that may come into contact with the skin shall be non-staining, soft, pliable andnot known to be likely to cause skin irritatio
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.