EN ISO 3611:2023

SLOVENSKI STANDARD
01-julij-2023
Specifikacija geometrijskih veličin izdelka (GPS) - Oprema za merjenje dolžin -
Konstrukcijske in meroslovne značilnosti mikrometrov za zunanje meritve (ISO
3611:2023)
Geometrical product specifications (GPS) - Dimensional measuring equipment - Design
and metrological characteristics of micrometers for external measurements (ISO
3611:2023)
Geometrische Produktspezifikation (GPS) - Längenmessgeräte - Konstruktionsmerkmale
und messtechnische Merkmale von Bügelmessschrauben für die Außenmessung (ISO
3611:2023)
Spécification géométrique des produits (GPS) - Équipement de mesurage dimensionnel
- Caractéristiques de conception et caractéristiques métrologiques des micromètres
d'extérieur (ISO 3611:2023)
Ta slovenski standard je istoveten z: EN ISO 3611:2023
ICS:
17.040.30 Merila Measuring instruments
17.040.40 Specifikacija geometrijskih Geometrical Product
veličin izdelka (GPS) Specification (GPS)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 3611
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2023
EUROPÄISCHE NORM
ICS 17.040.30 Supersedes EN ISO 3611:2010
English Version
Geometrical product specifications (GPS) - Dimensional
measuring equipment - Design and metrological
characteristics of micrometers for external measurements
(ISO 3611:2023)
Spécification géométrique des produits (GPS) - Geometrische Produktspezifikation (GPS) -
Équipement de mesurage dimensionnel - Längenmessgeräte - Konstruktionsmerkmale und
Caractéristiques de conception et caractéristiques messtechnische Merkmale von Bügelmessschrauben
métrologiques des micromètres d'extérieur (ISO für die Außenmessung (ISO 3611:2023)
3611:2023)
This European Standard was approved by CEN on 5 May 2023.

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 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 language 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, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 3611:2023 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 3611:2023) has been prepared by Technical Committee ISO/TC 213
"Dimensional and geometrical product specifications and verification" in collaboration with Technical
Committee CEN/TC 290 “Dimensional and geometrical product specification and verification” the
secretariat of which 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 November 2023, and conflicting national standards
shall be withdrawn at the latest by November 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 3611:2010.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 3611:2023 has been approved by CEN as EN ISO 3611:2023 without any modification.

INTERNATIONAL ISO
STANDARD 3611
Third edition
2023-05
Geometrical product specifications
(GPS) — Dimensional measuring
equipment — Design and metrological
characteristics of micrometers for
external measurements
Spécification géométrique des produits (GPS) — Équipement
de mesurage dimensionnel — Caractéristiques de conception et
caractéristiques métrologiques des micromètres d'extérieur
Reference number
ISO 3611:2023(E)
ISO 3611:2023(E)
© ISO 2023
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: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO 3611:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Design characteristics . 2
4.1 General design and nomenclature. 2
4.2 Dimensions . 3
4.3 Types of indicating device . 3
4.3.1 General . 3
4.3.2 Analogue indicating devices . 3
4.3.3 Digital indicating devices . 4
4.4 Frame . 5
4.5 Measuring force limiting device . 5
5 Metrological characteristics . 5
5.1 General . 5
5.2 Rated operating conditions . 5
5.3 Reference point . 5
5.4 Test methods . 5
5.5 Length measurement error, E (limited by E ) . 6
MPE
5.5.1 General . 6
5.5.2 Test point selection . 6
5.6 Variation in length measurement error, V (limited by V ) . 6
MPE
5.6.1 General . 6
5.6.2 Number of tests . 7
5.6.3 Testing with optical parallels . 7
5.7 Measuring forces . 7
5.8 Specifications . 7
5.8.1 General . 7
5.8.2 Classification system . 7
6 Determination of conformity to specifications .10
6.1 General . 10
6.2 Measurement uncertainty . . 10
6.3 Decision rule . 10
7 Marking . .10
Annex A (informative) Calibration guidelines for metrological characteristics .11
Annex B (informative) Notes on use .12
Annex C (informative) Relation to the GPS matrix model .13
Bibliography .14
iii
ISO 3611:2023(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carrie
...