BS EN 12668-1-2010 无损检验.超声波检验设备的品质鉴定和验证.第1部分仪器.pdf
《BS EN 12668-1-2010 无损检验.超声波检验设备的品质鉴定和验证.第1部分仪器.pdf》由会员分享,可在线阅读,更多相关《BS EN 12668-1-2010 无损检验.超声波检验设备的品质鉴定和验证.第1部分仪器.pdf(48页珍藏版)》请在三一文库上搜索。
1、 - - - - - - - - - - - - EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12668-1 February 2010 ICS 19.100 Supersedes EN 12668-1:2000 English Version Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 1: Instruments Essais non destructifs - Car
2、actrisation et vrification de lappareillage de contrle par ultrasons - Partie 1 : Appareils Zerstrungsfreie Prfung - Charakterisierung und Verifizierung der Ultraschall-Prfausrstung - Teil 1: Prfgerte This European Standard was approved by CEN on 25 December 2009. CEN members are bound to comply wit
3、h 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 Management Ce
4、ntre 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 Management Centre has the same status as the offic
5、ial 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, Romania, Slov
6、akia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide
7、 for CEN national Members. Ref. No. EN 12668-1:2010: E - - - - - - EN 12668-1:2010 (E) 2 Contents Page Foreword 3 1Scope 4 2Normative references 4 3Terms and definitions .4 4Symbols 7 5General requirements for compliance .8 6Manufacturers technical specification for ultrasonic instruments9 6.1Genera
8、l 9 6.2General attributes 9 6.3Display 9 6.4Transmitter 10 6.5Receiver and attenuator . 10 6.6Monitor output . 11 6.7Additional information . 11 7Performance requirements for ultrasonic instruments 11 8Group 1 tests . 13 8.1Equipment required for group 1 tests 13 8.2Stability against temperature 14
9、8.3Stability against voltage variation . 16 8.4Transmitter pulse parameters . 16 8.5Receiver . 18 8.6Monitor gate 21 8.7Monitor gates with proportional output 22 8.8Digital ultrasonic instruments . 26 9Group 2 tests . 27 9.1Equipment required for group 2 tests 27 9.2Physical state and external aspec
10、ts . 28 9.3Stability 28 9.4Transmitter pulse parameters . 29 9.5Receiver . 30 9.6Linearity of time-base . 32 Annex A (normative) Special conditions for ultrasonic instruments with logarithmic amplifiers . 44 A.1Introduction . 44 A.2Basic requirements. 44 A.2.1Measuring accuracy . 44 A.2.2Vertical di
11、splay “linearity“ . 44 A.3Tests . 44 Bibliography . 45 - - - - - - EN 12668-1:2010 (E) 3 Foreword This document (EN 12668-1:2010) 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
12、 of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2010, and conflicting national standards shall be withdrawn at the latest by August 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject
13、 of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 12668-1:2000. EN 12668, Non-destructive testing Characterization and verification of ultrasonic examination equipment, consists of the following parts: Part
14、1: Instruments Part 2: Probes Part 3: Combined equipment 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, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Fi
15、nland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. - - - - - - EN 12668-1:2010 (E) 4 1 Scope This European Standard specifies me
16、thods and acceptance criteria for assessing the electrical performance of analogue and digital ultrasonic instruments for pulse operation using A-scan display, employed for manual ultrasonic non-destructive examination with single or dual-element probes operating within the centre frequency range 0,
17、5 MHz to 15 MHz. Ultrasonic instruments for continuous waves are not included in this standard. This standard may partly be applicable to ultrasonic instruments in automated systems but then other tests can be needed to ensure satisfactory performance. 2 Normative references The following referenced
18、 documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1330-4:2010, Non-destructive testing Terminology Part 4: Terms used in
19、 ultrasonic testing EN 12668-3, Non-destructive testing Characterization and verification of ultrasonic examination equipment Part 3: Combined equipment 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 1330-4:2010 and the following apply. 3.1 amplifier
20、 frequency response variation of the gain of an amplifier versus frequency NOTE It is usually specified by a plot of gain (normalized to the peak gain value) versus frequency. 3.2 amplifier bandwidth width of the frequency spectrum between the high and low cut-off frequencies NOTE This standard uses
21、 as limits the points at which the gain is 3 dB below the peak value. 3.3 cross-talk during transmission amount of energy transfer from the transmitter output to the receiver input during the transmission pulse, with the ultrasonic instrument set for dual-element probe (separate transmitter and rece
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- BS EN 12668-1-2010 无损检验.超声波检验设备的品质鉴定和验证.第1部分仪器 12668 2010 无损 检验 超声波 设备 品质 鉴定 验证 部分 仪器
链接地址:https://www.31doc.com/p-3644704.html