ISO INTERNATIONAL STANDARD 25178-600 First edition 2019-02 Geometrical product specifications (GPS) Surface texture: Areal - Part 600: Metrological characteristics for areal topography measuring methods Speécification géomeétrique des produits (GPS) - Etat de surface: Surfacique Partie 600: Caractéristiques métrologiques pour les méthodes de mesure partopographie surfacique Reference number ISO 25178-600:2019(E) rso @ IS0 2019 IS0 25178-600:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 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 on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address 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: +4122 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved IS0 25178-600:2019(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references ..1 3 Terms and definitions ..1 3.1 All areal topography measuring methods 3.2 x- and y-scanning systems. 10 3.3 Optical systems. .11 3.4 Optical properties of the workpiece 4 Standard metrological characteristics for surface texture measurement ...15 Annex A (informative) Maximum measurable local slope vs. An ..16 Annex B (informative) Relation to the GPS matrix model ..19 Bibliography .20 @ IS0 2019 - All rights reserved iii