EN ISO 7211-2 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHE NORM September2024 ICS59.080.30 Supersedes EN 1049-2:1993 EnglishVersion Textiles - Methods for analysis of woven fabrics construction - Part 2: Determination of number of threads per unit length (IS0 7211-2:2024) Textiles - Methodes d'analyse de la construction des Textilien - Verfahren zur Analyse des Aufbaus von tissus - Partie 2: Determination du nombre de fils par Webwaren - Teil 2: Bestimmung der Anzahl der Faden unité de longueur (IS0 7211-2:2024) je Langeneinheit (IS0 7211-2:2024) This European Standard was approved by CEN on 3September 2024. 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 tothe CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITEEUROPEENDENORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels @2024CEN All rights of exploitation in any form and by any means reserved Ref.No.ENISO 7211-2:2024 E worldwide for CEN national Members. ENIS07211-2:2024 (E) European foreword This document (EN IS0 7211-2:2024) has been prepared by Technical Committee IS0/TC 38 "Textiles" in collaboration with Technical Committee CEN/TC 248"Textiles andtextileproducts"the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by March 2025, and conflicting national standards shall be withdrawn at the latest by March 2025. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 1049-2:1993. Any feedback and questions on this document should be directed to the users' national standards body/national committee.A complete listingofthesebodies can befound on theCEN website. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and the United Kingdom. Endorsement notice The text of IS07211-2:2024 has been approved by CEN as ENIS07211-2:2024 without any modification. Contents Page Foreword. ..iv 1 Scope .1 2 Normativereferences .1 3 Terms and definitions .1 4 Principle .1 .2 5 Minimum measuring distance 6 Conditioning and testing atmosphere .2 7 Preparationoftestspecimens .2 .2 8 MethodA-Dissectionoffabric 8.1 .2 Apparatus 8.2 Procedure 9 Method B - Counting glass .3 9.1 Apparatus ..3 9.2 Procedure. ..3 10 Method C-Traversing thread counter .3 3 10.1 Apparatus 10.2 Procedure ..3 ..4 11 Calculation and expressionof results 12 Test report. .4 IS0 2024 -All rights reserved ili