1、BSI Standards PublicationBS EN 15317:2013Non-destructive testing Ultrasonic testing Characterization andverification of ultrasonicthickness measuringequipmentBS EN 15317:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 15317:2013. Itsupersedes BS EN 15317:20
2、07 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee WEE/46, Non-destructive testing.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions
3、of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 81772 4ICS 19.100Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the
4、 authority of theStandards Policy and Strategy Committee on 30 November 2013.Amendments issued since publicationDate Text affectedBS EN 15317:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15317 November 2013 ICS 19.100 Supersedes EN 15317:2007English Version Non-destructive testing - Ultr
5、asonic testing - Characterization and verification of ultrasonic thickness measuring equipment Essais non destructifs - Contrle ultrasonore - Caractrisation et vrification des appareils de mesure de lpaisseur par ultrasons Zerstrungsfreie Prfung - Ultraschallprfung - Charakterisierung und Verifizier
6、ung der Ultraschall-Prfausrstung zur Dickenmessung This European Standard was approved by CEN on 29 September 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
7、 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 languag
8、e 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. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark,
9、Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR
10、STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15317:2013: EBS EN 15317:2013EN 153
11、17:2013 (E) 2 Contents Page Foreword 4 1 Scope 5 2 Normative references 5 3 Terms and definitions .5 4 General requirements for compliance .5 5 Manufacturers technical specification for ultrasonic thickness measuring equipment .6 5.1 General 6 5.2 General attributes 6 5.3 Display 6 5.4 Transmitter .
12、7 5.5 Receiver 7 5.6 Other information.7 6 Calibration blocks 7 6.1 General 7 6.2 Material .8 6.3 Shape and size .8 6.3.1 Accuracy blocks 8 6.3.2 Resolution block (see Figure 1) .9 7 Performance requirements for ultrasonic thickness measuring equipment 9 8 Probes 11 9 Group 1 tests . 11 9.1 General
13、. 11 9.2 Equipment required for Group 1 tests 11 9.3 Stability against temperature 12 9.3.1 Procedure 12 9.3.2 Acceptance criterion 12 9.4 Low battery warning . 12 9.4.1 Procedure 12 9.4.2 Acceptance criterion 12 9.5 Battery operational time . 12 9.5.1 Procedure 12 9.5.2 Acceptance criterion 12 9.6
14、Operational voltage range . 13 9.6.1 Procedure 13 9.6.2 Acceptance criterion 13 9.7 Operational current range 13 9.7.1 Procedure 13 9.7.2 Acceptance criterion 13 9.8 Operational temperature range . 13 9.8.1 General . 13 9.8.2 Procedure 13 9.8.3 Acceptance criterion 13 9.9 Pulse repetition frequency,
15、 PRF . 14 9.9.1 Procedure 14 9.9.2 Acceptance criterion 14 BS EN 15317:2013EN 15317:2013 (E) 3 9.10 Transmitter pulse shape, rise-time and peak voltage . 14 9.10.1 Procedure . 14 9.10.2 Acceptance criterion . 15 9.11 Receiver frequency range of operation . 16 9.11.1 Procedure . 16 9.11.2 Acceptance
16、criterion . 16 9.12 Minimum and maximum measurable thicknesses . 16 9.12.1 Procedure . 16 9.12.2 Acceptance criterion . 16 9.13 Accuracy and resolution. 16 9.13.1 Procedure . 16 9.13.2 Acceptance criterion . 16 9.14 Range of velocity setting (calibration) 16 9.15 Calibration mechanisms . 16 9.15.1 G
17、eneral . 16 9.15.2 Procedure . 16 9.15.3 Acceptance criterion . 17 9.16 Calibration setting storage . 17 9.16.1 Procedure . 17 9.16.2 Acceptance criterion . 17 9.17 Data storage . 17 9.17.1 Procedure . 17 9.17.2 Acceptance criterion . 17 9.18 Printing . 17 9.18.1 Procedure . 17 9.18.2 Acceptance cri
18、terion . 18 9.19 Display and recall 18 9.19.1 Procedure . 18 9.19.2 Acceptance criterion . 18 9.20 Display response time 18 9.20.1 Procedure . 18 9.20.2 Acceptance criterion . 18 10 Group 2 tests . 18 10.1 General . 18 10.2 Equipment required for Group 2 tests 18 10.3 General characteristics . 19 10
19、.4 General mechanical state and external aspects 19 11 Group 3 tests . 19 11.1 General . 19 11.2 General mechanical state and external aspects 19 11.3 Calibration mechanisms . 19 11.3.1 Procedure . 19 11.3.2 Acceptance criterion . 19 11.4 Calibration setting storage . 20 11.4.1 Procedure . 20 11.4.2
20、 Acceptance criterion . 20 11.5 Data storage . 20 11.5.1 Procedure . 20 11.5.2 Acceptance criterion . 20 Bibliography 21 BS EN 15317:2013EN 15317:2013 (E) 4 Foreword This document (EN 15317:2013) has been prepared by Technical Committee CEN/TC 138 “Non-destructive testing”, the secretariat of which
21、is held by AFNOR. 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 May 2014, and conflicting national standards shall be withdrawn at the latest by May 2014. Attention is drawn to the possibility t
22、hat some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 15317:2007. According to the CEN-CENELEC Internal Regulations, the national standards organizatio
23、ns of the following countries are bound to implement this European Standard: 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,
24、 Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 15317:2013EN 15317:2013 (E) 5 1 Scope This European Standard specifies methods and acceptance criteria for assessing the performance of instruments for measuring thic
25、kness using pulse-echo ultrasound. This European Standard covers both direct (digital) reading and waveform display types using single or dual element probes. This European Standard may be used for verifying equipment covered by EN 12668-1, EN 12668-2 and EN 12668-3 when used for thickness measureme
26、nt. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any a
27、mendments) applies. EN 1330-4, Non-destructive testing - Terminology - Part 4: Terms used in ultrasonic testing EN 10025-2, Hot rolled products of structural steels - Part 2: Technical delivery conditions for non-alloy structural steels EN 12668-1, Non-destructive testing - Characterization and veri
28、fication of ultrasonic examination equipment - Part 1: Instruments EN 12668-2, Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 2: Probes EN 14127, Non-destructive testing - Ultrasonic thickness measurement 3 Terms and definitions For the purpose
29、s of this document, the terms and definitions given in EN 1330-4 and EN 12668-1 apply. 4 General requirements for compliance Ultrasonic thickness measuring equipment complies with this standard if it satisfies all the following conditions: a) ultrasonic instrument and probe comply with the technical
30、 requirements of this European Standard; b) either a declaration of conformity, issued by an organisation certified in accordance with EN ISO 9001; or a certificate issued by an organization accredited according to EN ISO/IEC 17050-1 and EN ISO/IEC 17050-2, or a test report issued by an organisation
31、 performing in-house calibration; c) ultrasonic instrument and probe are clearly marked to identify the manufacturer, type and series, and carries a unique serial number; d) user instruction manual for the particular type and series of the ultrasonic equipment is available; e) manufacturers technica
32、l specification for the appropriate type and series of ultrasonic equipment which defines the performance criteria in accordance with this European Standard is available. BS EN 15317:2013EN 15317:2013 (E) 6 NOTE The manufacturers technical specification does not in itself constitute the certificate
33、of measured values required in b). 5 Manufacturers technical specification for ultrasonic thickness measuring equipment 5.1 General The manufacturers technical specification for a particular model of ultrasonic thickness measuring equipment shall contain, as a minimum, the information listed in 5.2
34、to 5.5. Values obtained from the tests described in Clause 7 shall be quoted as nominal values with tolerances given as indicated. 5.2 General attributes The following shall be detailed: a) size; b) weight (at an operational stage); c) type(s) of power supply; d) type(s) of probe sockets; e) battery
35、 operational time (as new, at maximum power consumption with a specified duty cycle); f) temperature and voltage (mains and/or battery) ranges, in which operation complies with the technical specification. If a warm-up period is necessary, the duration of this shall be stated; g) form of indication
36、given when a low battery voltage takes the ultrasonic instrument performance outside of specification; h) pulse repetition frequencies (PRFs) (switched positions and/or variable ranges); i) if available, monitor outputs to indicate when the measurement values fall outside a set tolerance; j) if equi
37、pment can measure through coatings; k) minimum measurable and maximum measurable thicknesses on a defined material; NOTE A minimum measurable thickness of zero cannot be verified and therefore not specified. l) accuracy and resolution shall be stated in mm. 5.3 Display The following shall be detaile
38、d: a) type of display (alphanumeric or graphical and also whether LED, LCD or CRT); b) dimension of alphanumeric display; c) dimension of graphical display. BS EN 15317:2013EN 15317:2013 (E) 7 5.4 Transmitter The following shall be detailed: a) shape of transmitter pulse; b) at each pulse energy set
39、ting with the output connected to a suitable specified probe or a defined artificial load: 1) transmitter pulse voltage (peak-to-peak); 2) pulse rise time; 3) pulse duration (for square wave, the range over which the pulse duration can be set). 5.5 Receiver The following shall be detailed: a) charac
40、teristics of gain control if user selected; b) frequency range of operation. 5.6 Other information In addition to the information given in 5.2 to 5.5, details should be supplied on the principles of: a) data output and storage facilities (memory capacity); b) calibration setting storage; c) calibrat
41、ion mechanisms; d) display and recall facilities; e) display response time; f) number of pixels to display the waveform; g) printer output. Where applicable, these details should also include sampling rates used, effect of pulse repetition frequency or display range on the sampling rate and response
42、 time. In addition, the principles of any algorithm used to process data for display should be described. 6 Calibration blocks 6.1 General In order to verify the ultrasonic thickness measuring equipment, it is necessary to take measurements on defined calibration blocks. These blocks are specified i
43、n 6.2 and 6.3. BS EN 15317:2013EN 15317:2013 (E) 8 6.2 Material Blocks shall be manufactured from steel grade S355J0 specified in EN 10025-2. Blocks shall be rough-machined before heat treatment which shall consist of: austenitizing at 920 C for 30 min; rapid cooling (quenching) in water; tempering
44、by heating to 650 C for 3 h; and then cooling in still air. The velocity for longitudinal waves in the calibration block material shall be (5 920 30) m/s. The surfaces used for measurement shall be machined to an Ra value not greater than 0,8 m. Prior to final machining, the block shall be proved fr
45、ee from internal discontinuities. It is permissible to chromium plate or electroless nickel plate the surfaces of the block to a maximum of 0,5 % of the block thickness. If chromium plating is used, care should be taken to use a thickness of plating that will avoid separation. 6.3 Shape and size 6.3
46、.1 Accuracy blocks These calibration blocks shall be cylinders with diameter D and length L as shown in Table 1. Table 1 Size of calibration blocks Block Diameter D Length L A 0,5 L Minimum specified thickness (LA) B 0,5 L LA+ 0,25 (LE LA) C 0,5 L LA+ 0,50 (LE LA) D 0,5 L LA+ 0,75 (LE LA) E 0,5 L Ma
47、ximum specified thickness (LE) If LA 0,1 LEthe subtraction of LAmay be omitted. D shall not be smaller than 3 times the probe face diagonal dimension. The values 0,25, 0,5 and 0,75 may be varied by up to 10 % of the value in question. The tolerances of overall height of the block shall be 3 (104L) a
48、cross the measurement faces. The fixed dimension for L shall be measured at the centre of the block to an accuracy of 104L. BS EN 15317:2013EN 15317:2013 (E) 9 The blocks shall be permanently, circumferentially marked with the actual length L, e.g. L = 50,333 mm, and a unique identity (serial number
49、). 6.3.2 Resolution block (see Figure 1) Key w step width r step height LClength of block C (see Table 1) Figure 1 Resolution block Where w shall be 3 times the diagonal dimension of the probe face and r shall be to the specified resolution. The block shall provide a minimum of five steps. 7 Performance requirements for ultrasonic thickness measuring equipment To comply with this standard, ultrasonic thickness measuring equipment shall be verified using the tests described below and shown in Table 2. a) Group 1: Tests to be perf
