BS EN ISO 16911-1:2013 BSl Standards Publication Stationary source emissions - Manual and automatic determination of velocity and volume flow rate in ducts Part 1: Manual reference method BSi raising standards worldwide" BS EN ISO 16911-1:2013 BRITISH STANDARD Nationalforeword This British Standard is the UK implementation of EN ISO 16911-1:2013. The UK participation in its preparation was entrusted to Technical Committee EH/2/1, Stationary source emission. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. TheBritishStandardsInstitution2013. Published by BSI Standards Limited 2013. ISBN9780580739613 ICS 13.040.40 Compliancewitha BritishStandard cannot conferimmunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2013. Amendments issued since publication Date Textaffected EUROPEANSTANDARD ENISO16911-1 NORMEEUROPEENNE EUROPAISCHENORM March 2013 ICS 13.040.40 English Version Stationary source emissions - Manual and automatic determinationofvelocityandvolumeflowrateinducts S-F Part 1: Manual referencemethod (iSO16911-1:2013) Emissions de sources fixes - Determination manuelle et Emissionen aus stationaren Quellen - Manuelle und automatique de la vitesse et du debit-volume d'ecoulement automatische Bestimmung der Geschwindigkeit und des dans les conduits - Partie 1: Methode de reference Volumenstroms in Abgaskanalen - Teil 1: Manuelles manuelle (ISO 16911-1:2013) Referenzverfahren (ISO 16911-1:2013) This European Standard was approved by CEN on 23 February 2013. 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 This European Standard exists in three official versions (English, French, German). A version in any other language made by translation status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Siovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG Management Centre:AvenueMarnix 17,B-1000 Brussels 2013CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 16911-1:2013: E worldwide for CEN national Members. BS EN ISO 16911-1:2013 EN ISO16911-1:2013 (E) Foreword This document (EN ISO 16911-1:2013)has been prepared by Technical Committee CEN/TC 264"Air quality", the secretariat of which is held by DIN, in collaboration with Technical Committee ISO/TC 146 "Air quality". withdrawn at the latest by September 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia,Slovenia,Spain,Sweden,Switzerland,TurkeyandtheUnitedKingdom BSENISO16911-1:2013 IS0 16911-1:2013(E) Contents Page Foreword 4 Introduction .vi 1 Scope .1 2 Normative references .1 3 Terms and definitions .1 4 Symbols and abbreviated terms. .3 4.1 Symbols .3 Abbreviated terms 4.2 5 Principle .7 5.1 General. 7 5.2 Principle offlow velocity determination atapoint in the duct .8 5.3 Principle of measurement of volume flow rate .8 Selection of monitoring a