EN 13274-7:2002

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Respiratory protective devices - Methods of test - Part 7: Determination of particle filter penetrationOprema za varovanje dihal - Metode preskušanja - 7. del: Ugotavljanje penetracije delcev v filterAppareils de protection respiratoire - Méthodes d'essai - Partie 7: Détermination de la pénétration des filtres a particulesAtemschutzgeräte - Prüfverfahren - Teil 7: Bestimmung des Durchlasses von PartikelfilternTa slovenski standard je istoveten z:EN 13274-7:2002SIST EN 13274-7:2003en13.340.30ICS:SLOVENSKI
STANDARDSIST EN 13274-7:200301-april-2003

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13274-7December 2002ICS 13.340.30English versionRespiratory protective devices - Methods of test - Part 7:Determination of particle filter penetrationAppareils de protection respiratoire - Méthodes d'essai -Partie 7: Détermination de la pénétration des filtres àparticulesAtemschutzgeräte - Prüfverfahren - Teil 7: Bestimmung desDurchlasses von PartikelfilternThis European Standard was approved by CEN on 23 October 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 13274-7:2002 E

Test results - Uncertainty of measurements.15Annex ZA (informative)
Clauses of this European Standard addressing essential requirements orother provisions of EU Directives.16

together with the followingapply.3.1ambient conditionsatmosphere where the temperature is (16 to 32) °C and the relative humidity is (20 to 80) %3.2dry atmosphereatmosphere where the relative humidity is less than 20 %3.3wet atmosphereatmosphere where the relative humidity is greater than or equal to 95 %4 Pre-requisitesIn order to implement this Part of EN 13274, at least the following parameters need to be specified in theappropriate device standard:¾ items to be tested;¾ number of samples;¾ test method;¾ flow rate through the filter;¾ sequence of conditioning phases, where more than one is required;¾ specification of any observations to be carried out;¾ sample preparation and orientation;¾ sample holding;¾ pass/fail criteria;¾ any deviations from this method.
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