ISO INTERNATIONAL STANDARD 12181-2 First edition 2011-04-01 Geometrical product specifications (GPS) Roundness Part 2: Specification operators Spécification géomeétrique des produits (GPS) Circularité - Partie 2: Opérateurs de spécification Reference number ISO 12181-2:2011(E) @ ISO 2011 py IHS under lic ted without license from IHS Not for Resale ISO 12181-2:2011(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO2011 IsO's memberbody in the country of the requester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IsO 2011-All rights reserved etworking permitted without license from IHS Not for Resale ISO 12181-2:2011(E) Contents Page Foreword IV Introduction 1 Scope 2 Normative references. 3 Terms and definitions 4 Completespecificationoperator 4.1 General ..... 4.2 Transmission band. 4.3 Probing system.... 5 Compliance with specification.... AnnexA(informative)Harmoniccontentofnominallyroundworkpiece Annex B (informative) Relationship to the GPS matrix model Bibliography... Copyright International Organization for Standardizalon ghts reserved ili nse from IHS Not for Re