EN 13205-2:2014

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Exposition am Arbeitsplatz - Bewertung der Leistungsfähigkeit von Sammlern für die Messsung der Konzentration luftgetragener Partikel - Teil 2: Laborprüfung der Leistungsfähigkeit basierend auf der Bestimmung des ProbenahmewirkungsgradesExposition sur les lieux de travail - Évaluation des performances des dispositifs de prélèvement pour le mesurage des concentrations d'aérosols - Partie 2 : Essai de performances en laboratoire par détermination de l'efficacité de prélèvementWorkplace exposure - Assessment of sampler performance for measurement of airborne particle concentrations - Part 2: Laboratory performance test based on determination of sampling efficiency13.040.30Kakovost zraka na delovnem mestuWorkplace atmospheresICS:Ta slovenski standard je istoveten z:EN 13205-2:2014SIST EN 13205-2:2014en,fr,de01-september-2014SIST EN 13205-2:2014SLOVENSKI
STANDARDSIST EN 13205:20021DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 13205-2
June 2014 ICS 13.040.30 Supersedes EN 13205:2001English Version
Workplace exposure - Assessment of sampler performance for measurement of airborne particle concentrations - Part 2: Laboratory performance test based on determination of sampling efficiency
Exposition sur les lieux de travail - Évaluation des performances des dispositifs de prélèvement pour le mesurage des concentrations de particules en suspension dans l'air - Partie 2: Essai de performances en laboratoire par détermination de l'efficacité de prélèvement
Exposition am Arbeitsplatz - Beurteilung der Leistungsfähigkeit von Sammlern für die Messung der Konzentration luftgetragener Partikel - Teil 2: Laborprüfung der Leistungsfähigkeit basierend auf der Bestimmung des Probenahmewirkungsgrads This European Standard was approved by CEN on 7 May 2014.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC 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 translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
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B-1000 Brussels © 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13205-2:2014 ESIST EN 13205-2:2014

Foreword . 4
Introduction . 6 1 Scope . 7 2 Normative references . 7 3 Terms and definitions . 7 4 Symbols and abbreviations . 8 4.1 Symbols . 8 4.1.1 Latin . 8 4.1.2 Greek . 10 4.2 Enumerating subscripts . 10 4.3 Abbreviations . 11 5 Principle . 11 6 Test method . 11 6.1 General . 11 6.2 Test conditions . 11 6.3 Test variables . 12 6.3.1 General . 12 6.3.2 Particle size . 14 6.3.3 Wind speed . 14 6.3.4 Wind direction . 14 6.3.5 Aerosol composition . 14 6.3.6 Sampled or internally separated mass . 14 6.3.7 Aerosol charge . 14 6.3.8 Specimen variability . 15 6.3.9 Excursion from the nominal flow rate . 15 6.3.10 Surface treatments . 15 7 Experimental requirements . 15 8 Calculation of sampler bias and expanded uncertainty . 17 8.1 General . 17 8.2 Determination of the sampling efficiency . 18 8.3 Calculation of sampler bias . 18 8.3.1 Calculation of the sampled aerosol concentration . 18 8.3.2 Calculation of the ideal sampled aerosol concentration . 20 8.3.3 Calculation of the sampler bias . 21 8.4 Calculation of the expanded uncertainty of the sampler . 21 8.4.1 General . 21 8.4.2 Calibration of sampler test system . 22 8.4.3 Estimation of sampled concentration . 23 8.4.4 Bias relative to the sampling convention . 23 8.4.5 Individual sampler variability . 24 8.4.6 Excursion from the nominal flow rate . 24 8.4.7 Combined uncertainty (of measurement) . 28 8.4.8 Expanded uncertainty . 31 9 Test report . 31 9.1 General . 31 SIST EN 13205-2:2014

— The method of calculating the uncertainty of a sampler or a measuring procedure has been revised in order to comply with ENV 13005. The concept of “accuracy” is no longer used, instead the concept of “expanded uncertainty” is used. — The five major sources of uncertainty due to aspects of the sampling performance of an aerosol sampler (calibration of sampler test system, estimation of sampled concentration, bias relative to the sampling convention, individual sampler variability and excursion from nominal flow rate) are described with equations on how to incorporate these uncertainties into the expanded uncertainty of a sampler. CEN/TR 13205-3 gives recommendations how these entities may be calculated from measured sampling efficiency data. — The list of the particle size distributions (per sampling convention) to be used for the evaluation of sampler performance has been restricted at the lower end to reflect that particles with an aerodynamic SIST EN 13205-2:2014
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