BS-EN-12668-2-2001.pdf
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1、BRITISH STANDARD BS EN 12668-2:2001 Incorporating Amendment No.1 Non-destructive testing Characterization and verification of ultrasonic examination equipment Part 2: Probes The European Standard EN 12668-2:2001, with the incorporation of amendment A1:2004, has the status of a British Standard ICS 1
2、9.100 ? BS EN 12668-2:2001 This British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 July 2001 BSI 25 August 2004 ISBN 0 580 37543 9 National foreword This British Stan
3、dard is the official English language version of EN 12668-2:2001, including amendment A1:2004. It supersedes BS 4331-3:1974 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee WEE/46, Non-destructive testing, which has the responsibility to: A list of org
4、anizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Corre
5、spondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not
6、of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulga
7、te them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 51 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComment
8、s 1529025 August 2004Modification to Clause 1 EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2001 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN nation
9、al Members. Ref. No. EN 12668-2:2001 + A1:2004 E EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12668-2 May 2001 + A1 August 2004 ICS 19.100 English version Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 2: Probes (includes amendment A1:2
10、004) Essais non destructifs - Caractrisation et vrification de lappareillage de contrle par ultrasons - Partie 2: Traducteurs inclut lamendement A1:2004 Zerstrungsfreie Prfung - Charakterisierung und Verifizierung der Ultraschall-Prfausrstung - Teil 2: Prfkpfe enthlt nderung A1:2004 This European St
11、andard was approved by CEN on 16 April 2001, amendment A1 was approved by CEN on 7 June 2004. 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-dat
12、e lists and bibliographical references concerning such national standards 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 translation under the re
13、sponsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Irel
14、and, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Page 2 EN 12668-2:2001 Contents page Foreword3 1 Scope 4 2 Normative references4 3 Terms, definitions, symbols and abbreviations4 4 General requ
15、irements for compliance.6 5 Manufacturers technical specification for probes 6 6 Test equipment 10 6.1 Electronic equipment 10 6.2 Test blocks and other equipment 10 7 Performance requirements for probes13 7.1 Physical aspects13 7.2 Radio frequency pulse shape.13 7.3 Pulse spectrum and bandwidth13 7
16、.4 Relative pulse-echo sensitivity 14 7.5 Distance-amplitude curve.14 7.6 Electrical impedance or static capacitance 15 7.7 Beam parameters for immersion probes 16 7.8 Beam parameters for contact, straight-beam, single-transducer probes20 7.9 Beam parameters for contact shear wave, angle-beam, singl
17、e-transducer probes.23 7.10 Beam parameters for contact, straight beam, dual-transducer probes.26 7.11 Beam parameters for contact, shear wave angle beam, dual-transducer probes28 Annex A (normative) Calculation of nearfield length of non-focusing probes.45 Annex B (informative) Calibration block fo
18、r angle-beam probes.48 Page 3 EN 12668-2:2001 Foreword This European Standard has been prepared by Technical Committee CEN/TC 138, “Non-destructive testing“, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of a
19、n identical text or by endorsement, at the latest by November 2001, and conflicting national standards shall be withdrawn at the latest by November 2001. This standard consists of the following parts : EN 12668-1, Non-destructive testing - Characterization and verification of ultrasonic examination
20、equipment - Part 1: Instruments EN 12668-2, Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 2: Probes EN 12668-3, Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 3: Combined equipment Annex
21、A is normative. Annex B is informative. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Ita
22、ly, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Foreword to amendment A1 This document (EN 12668-2:2001/A1:2004) has been prepared by Technical Committee CEN/TC 138 “Non-destructive testing”, the secretariat of which is held by AFNOR. This Amendment
23、to the European Standard EN 12668-2:2001 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2005, and conflicting national standards shall be withdrawn at the latest by February 2005. According to CEN/CENELEC Inte
24、rnal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Nethe
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