INTERNATIONAL STANDARD
Non-destructivetesting- Qualification and certification ofNDT personnel
Essaisnondestructifs-QualificationetcertificationdupersonnelEND
ISO 9712:2021(E)
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Contents
Page
Foreword. A"”Introduction. viScope..1 .12 Normative references.. 13 Terms and definitions.. 24 Abbreviated terms. 65 Responsibilities.. 65.2 5.1 Certification body. General. 65.3 Authorized qualification body. 6 85.4 Examinationcentre.. 85.5 Employer. 85.7 5.6 Certificate holders. Candidate. 9 65.8 Examiners. 105.9 Referee. 106 Levels of certification.. 106:2 Level 186.3 Level 3. 11Eligibility. 117 7.1 General. 117.2 Training. 117.3 Industrial NDT experience... 7.3.1 General. 137.3.2 Level3. 13 137.3.3 Possible reductions. 147.4 Visionrequirements 7.4.1 - all levels.. 147.4.2 Near vision acuity. General. 14 147.4.3 Colour vision. 147.4.4 Personnel administering vision tests... 158 Examinations. 158.1 Overview.. 8.1.1 General. 15 158.1.2 Examinationelements. 158.1.3 Examinationtime. 16ExaminationcontentandgradingforLevel1andLevel2. 8.1.4 Examination aids. 16 168.2 8.2.1 Generalexaminationelement. 168.2.2 Specificexaminationelement. 168.2.3 NDTinstruction writingexaminationelement. Practicalexaminationelement. 168.2.4 8.2.5 Grading of theLevel1 and Level 2examination. 17 178.3 Examination content and gradingfor Level3. 188.3.1 Basic examinationelement. General.. 188.3.2 18833 Mainmethodexaminationelement.. GradingofLevel3examinations... 188.4 Conduct of examinations. 208.5 Re-examination.. 20
8.6 Supplementary examinations. 21Certification. 219.1 Administration. 219.2 Certificates.. 219.3 Conditions of certification.... 9.3.1 General. 22 229.3.2 Granting 229:3:4 sespentensierufcatron.. :229.3.5 Withdrawalofcertification. 229.3.6 Certification afterwithdrawal. 239.3.7 239.4 Certificatesissuedby othercertificationbodies. 2310 Renewal. .2311 Recertification. 2411.1 11.2 Levels 1 and 2. General. 2411.3 Level3. 25 2512 Files. ..2613 Transition period. .27AnnexA(normative)Sectors. 28AnnexB(normative)Minimumnumber andtype of specimensfortheLevel1andLevel 2 practicalexaminationelement.30AnnexC(normative)Structured credit systemfor renewal Level 1 2 and 3and for Level 3 recertification. 31Annex E(informative) Engineering of NDT Annex D(normative)Gradingpracticalexamination elements. 35.37AnnexF(informative)Trainingrequirements for techniques. 38AnnexG(informative)Psychometricprinciples. 41Bibliography. 42
Foreword
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Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.
the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see
This document was prepared by Technical Committee ISO/TC 135 Non-destructive testing Standardization(CEN)Technical Committee CEN/TC138 Non-destructive testing in accordance with
This fifth edition cancels and replaces the fourth edition (ISO 9712:2012) which has been technicallyrevised.
The main changes pared to the previous edition are as follows:
centre and theemployer;--added and revised definitions;-defined responsibilities for examiners and referees;--revised requirements for the duration of training and industrial experience;--modified requirements for visual acuity testing;revised requirements for examinations;-included an option for the use ofa psychometric process at the discretion ofthe certification body;--revised requirements forthe certification documents;--revised requirements for the conditions of certification;--addedrequirementsforcandidatesfortherenewalofcertificates;-revisedstructuredcreditsystemforLevel3recertification;included a new Annex E for techniques;
-clarifiedresponsibilities forthe certificationbody the authorized qualification body the examination
