SIST EN ISO 5059-1:2025

SLOVENSKI STANDARD
01-julij-2025
Specifikacija geometrijskih veličin izdelka (GPS) - Merilna oprema: notranji
mikrometri - 1. del: Dvotočkovni notranji mikrometri - Zasnova in meroslovne
lastnosti (ISO 5059-1:2025)
Geometrical product specifications (GPS) - Dimensional measuring equipment: inside
micrometers - Part 1: Two-point inside micrometers - Design and metrological
characteristics (ISO 5059-1:2025)
Geometrische Produktspezifikationen (GPS) - Dimensionelle Messgeräte:
Innenmessschrauben - Teil 1: Innenmessschrauben mit 2-Punkt-Berührung –
Konstruktionsmerkmale und messtechnische Merkmale (ISO 5059-1:2025)
Spécification géométrique des produits (GPS) - Equipements de mesurage
dimensionnel: micromètres d'intérieur - Partie 1: Micromètres d'intérieur à deux touches -
Caractéristiques de conception et caractéristiques métrologiques (ISO 5059-1:2025)
Ta slovenski standard je istoveten z: EN ISO 5059-1:2025
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 5059-1
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2025
EUROPÄISCHE NORM
ICS 17.040.30; 17.040.40
English Version
Geometrical product specifications (GPS) - Dimensional
measuring equipment - Part 1: Design and metrological
characteristics of two-point inside micrometers (ISO 5059-
1:2025)
Spécification géométrique des produits (GPS) - Geometrische Produktspezifikationen (GPS) -
Equipements de mesurage dimensionnel - Partie 1: Dimensionelle Messgeräte - Teil 1:
Caractéristiques de conception et caractéristiques Konstruktionsmerkmale und messtechnische
métrologiques des micromètres d'intérieur à deux Merkmale für Innenmessschrauben mit 2-Punkt-
touches (ISO 5059-1:2025) Berührung (ISO 5059-1:2025)
This European Standard was approved by CEN on 25 April 2025.

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
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 5059-1:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 5059-1:2025) 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 2025, and conflicting national standards
shall be withdrawn at the latest by November 2025.
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.
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 5059-1:2025 has been approved by CEN as EN ISO 5059-1:2025 without any
modification.
International
Standard
ISO 5059-1
First edition
Geometrical product specifications
2025-04
(GPS) — Dimensional measuring
equipment —
Part 1:
Design and metrological
characteristics of two-point inside
micrometers
Spécification géométrique des produits (GPS) — Equipements de
mesurage dimensionnel —
Partie 1: Caractéristiques de conception et caractéristiques
métrologiques des micromètres d'intérieur à deux touches
Reference number
ISO 5059-1:2025(en) © ISO 2025

ISO 5059-1:2025(en)
All rights reserved.
ISO publications, in their entirety or in fragments, are owned by ISO. They are licensed, not sold, and are subject to the terms and
conditions set forth in the ISO End Customer License Agreement, the License Agreement of the relevant ISO member body, or
those of authorized third-party distributors.
Unless otherwise specified or required for its implementation, no part of this ISO publication may be reproduced, distributed,
modified, or used in any form or by any means, electronic or mechanical, including photocopying, scanning, recording, or posting
on any intranet, internet, or other digital platforms, without the prior written permission of ISO, the relevant ISO member body
or an authorized third-party distributor.
This publication shall not be disclosed to third parties, and its use is strictly limited to the license type and purpose specified in
the applicable license grant. Unauthorized reproduction, distribution, or use beyond the granted license is prohibited and may
result in legal action.
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 5059-1:2025(en)
Contents Page
Foreword .iv
Introduction .vii
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 Main dimensions .3
4.3 Thermally insulating grip . .3
4.4 Measuring faces .3
4.5 Adjustment devices .3
4.6 Spindle clamp .4
4.7 Interchangeable extensions .4
5 Metrological characteristics . 4
5.1 General .4
5.2 Rated operating conditions .4
5.3 Reference point .4
5.4 Test methods .5
5.5 Length measurement error, E (limited by E ) .5
MPE
5.5.1 General .5
5.5.2 Length measurement error without using interchangeable extension (for the
main body) .5
5.5.3 Length measurement error with interchangeable extension .5
5.6 Maximum permissible error (MPE) values .6
6 Determination of conformity to specifications . 7
6.1 General .7
6.2 Measurement uncertainty . .7
6.3 Decision rule .7
7 Marking . . 7
Annex A (normative) Default MPE values for metrological characteristics . 8
Annex B (informative) Relation to the GPS matrix model .10
Bibliography .11

iii
ISO 5059-1:2025(en)
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 carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizations,
governmental and non-governmental, in liaison with ISO, also take part in the
...