ISO INTERNATIONAL STANDARD 22232-1 First edition 2020-07 Non-destructive testing Characterization and verification of ultrasonic test equipment - Part 1: Instruments Essais non destructifs - Caractérisation et vérification de I'appareillage de controle par ultrasons Partie 1: Appareils Reference number IS0 22232-1:2020(E) osi @ IS0 2020 IS0 22232-1:2020(E) COPYRIGHT PROTECTED DOCUMENT IS02020 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting below or Iso's member body in the country of the requester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 0111 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved