Geometrical product specifications (GPS) - Dimensional measuring equipment: Dial test indicators (lever type) - Design and metrological requirements (ISO 9493:2010)

ISO 9493:2010 specifies the most important design and metrological characteristics of dial test indicators (lever type).

Geometrische Produktspezifikation (GPS) - Längenmessgeräte: Fühlhebelmessgeräte - Konstruktionsmerkmale und messtechnische Merkmale (ISO 9493:2010)

Diese Internationale Norm legt die wichtigsten Konstruktionsmerkmale und messtechnischen Merkmale für
Fühlhebelmessgeräte fest.

Spécification géométrique des produits (GPS) - Équipement de mesurage dimensionnel: Comparateurs à levier mécaniques - Caractéristiques de conception et caractéristiques métrologiques (ISO 9493:2010)

L'ISO 9493:2010 spécifie les caractéristiques de conception et les caractéristiques métrologiques les plus importantes des comparateurs à levier mécaniques.

Specifikacija geometrijskih veličin izdelka - Oprema za merjenje dimenzij: merilne urice (z vzvodom) - Konstrukcijske in meroslovne zahteve (ISO 9493:2010)

Ta mednarodni standard določa najpomembnejše konsktrukcijske in meroslovne značilnosti merilnih uric (z vzvodom).

General Information

Status
Published
Publication Date
31-Jan-2012
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
26-Jan-2012
Due Date
01-Apr-2012
Completion Date
01-Feb-2012

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN ISO 9493:2012
01-marec-2012

6SHFLILNDFLMDJHRPHWULMVNLKYHOLþLQL]GHOND2SUHPD]DPHUMHQMHGLPHQ]LMPHULOQH

XULFH ]Y]YRGRP .RQVWUXNFLMVNHLQPHURVORYQH]DKWHYH ,62

Geometrical product specifications (GPS) - Dimensional measuring equipment: Dial test

indicators (lever type) - Design and metrological requirements (ISO 9493:2010)

Geometrische Produktspezifikation (GPS) - Längenmessgeräte: Fühlhebelmessgeräte -

Konstruktionsmerkmale und messtechnische Merkmale (ISO 9493:2010)

Spécification géométrique des produits (GPS) - Équipement de mesurage dimensionnel:

Comparateurs à levier mécaniques - Caractéristiques de conception et caractéristiques

métrologiques (ISO 9493:2010)
Ta slovenski standard je istoveten z: EN ISO 9493:2010
ICS:
17.040.30 Merila Measuring instruments
SIST EN ISO 9493:2012 de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 9493:2012
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SIST EN ISO 9493:2012
EUROPEAN STANDARD
EN ISO 9493
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2010
ICS 17.040.30
English Version
Geometrical product specifications (GPS) - Dimensional
measuring equipment: Dial test indicators (lever type) - Design
and metrological characteristics (ISO 9493:2010)

Spécification géométrique des produits (GPS) - Geometrische Produktspezifikation (GPS) -

Équipement de mesurage dimensionnel: Comparateurs à Längenmessgeräte: Fühlhebelmessgeräte -

levier mécaniques - Caractéristiques de conception et Konstruktionsmerkmale und messtechnische Merkmale

caractéristiques métrologiques (ISO 9493:2010) (ISO 9493:2010)
This European Standard was approved by CEN on 2 October 2010.

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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2010 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 9493:2010: E

worldwide for CEN national Members.
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SIST EN ISO 9493:2012
EN ISO 9493:2010 (E)
Contents Page

Foreword ..............................................................................................................................................................3

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SIST EN ISO 9493:2012
EN ISO 9493:2010 (E)
Foreword

This document (EN ISO 9493:2010) 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 May 2011, and conflicting national standards shall be withdrawn at the

latest by May 2011.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.

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, Romania, Slovakia, Slovenia, Spain,

Sweden, Switzerland and the United Kingdom.
Endorsement notice

The text of ISO 9493:2010 has been approved by CEN as a EN ISO 9493:2010 without any modification.

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SIST EN ISO 9493:2012
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SIST EN ISO 9493:2012
INTERNATIONAL ISO
STANDARD 9493
First edition
2010-11-01
Geometrical product specifications
(GPS) — Dimensional measuring
equipment: Dial test indicators (lever
type) — Design and metrological
characteristics
Spécification géométrique des produits (GPS) — Équipement de
mesurage dimensionnel: Comparateurs à levier mécaniques —
Caractéristiques de conception et caractéristiques métrologiques
Reference number
ISO 9493:2010(E)
ISO 2010
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SIST EN ISO 9493:2012
ISO 9493:2010(E)
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electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or

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ii © ISO 2010 – All rights reserved
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SIST EN ISO 9493:2012
ISO 9493:2010(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 features........................................................................................................................2

4.2 Type ........................................................................................................................................................2

4.3 Nomenclature.........................................................................................................................................4

4.4 Dovetail mounting .................................................................................................................................4

4.5 Dial and pointer .....................................................................................................................................5

4.6 Stylus......................................................................................................................................................6

4.7 Zero adjustment.....................................................................................................................................7

4.8 Design characteristics (manufacturer's specification)......................................................................7

5 Metrological characteristics.................................................................................................................7

5.1 Maximum permissible error (MPE) and maximum permissible limit (MPL) for a number of

metrological characteristics.................................................................................................................7

5.2 Stylus......................................................................................................................................................8

5.3 Measuring forces...................................................................................................................................8

6 Proving of conformance with specification........................................................................................8

6.1 General ...................................................................................................................................................8

6.2 Measurement standards for calibration of metrological characteristics ........................................8

7 Marking...................................................................................................................................................8

Annex A (informative) Examples of a diagram of errors of indication ..........................................................9

Annex B (informative) Example of data sheet for dial test indicators.........................................................11

Annex C (informative) Calibration of metrological characteristics..............................................................13

Annex D (informative) Notes on use ...............................................................................................................15

Annex E (informative) Relation to the GPS matrix model.............................................................................17

Bibliography......................................................................................................................................................19

© ISO 2010 – All rights reserved iii
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SIST EN ISO 9493:2012
ISO 9493:2010(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 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 work. ISO collaborates closely with the

International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.

The main task of technical committees is to prepare International Standards. Draft International Standards

adopted by the technical committees are circulated to the member bodies for voting. Publication as an

International Standard requires approval by at least 75 % of the member bodies casting a vote.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

rights. ISO shall not be held responsible for identifying any or all such patent rights.

ISO 9493 was prepared by Technical Committee ISO/TC 213, Dimensional and geometrical product

specifications and verification.
iv © ISO 2010 – All rights reserved
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SIST EN ISO 9493:2012
ISO 9493:2010(E)
Introduction

This International Standard is a geometrical product specification (GPS) standard and is to be regarded as a

general GPS standard (see ISO/TR 14638). It influences the chain link 5 of the chains of standards on size,

distance, form of a line independent of datum, form of a line dependent of datum, form of a surface

independent of datum, form of a surface independent of datum, orientation, location, circular run-out and total

run-out in the general GPS matrix.
When using this International Standard, see ISO 14978.

For more detailed information on the relation of this International Standard to other standards and the GPS

matrix, see Annex E.
© ISO 2010 – All rights reserved v
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SIST EN ISO 9493:2012
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SIST EN ISO 9493:2012
INTERNATIONAL STANDARD ISO 9493:2010(E)
Geometrical product specifications (GPS) — Dimensional
measuring equipment: Dial test indicators (lever type) — Design
and metrological characteristics
1 Scope

This International Standard specifies the most important design and metrological characteristics of dial test

indicators (lever type).
2 Normative references

The following referenced documents are indispensable for the application of this document. For dated

references, only the edition cited applies. For undated references, the latest edition of the referenced

document (including any amendments) applies.

ISO 14253-1:1998, Geometrical Product Specifications (GPS) – Inspection by measurement of workpieces

and measuring equipment — Part 1: Decision rules for proving conformance or non-conformance with

specifications

ISO 14253-2:— , Geometrical product specifications (GPS) – Inspection by measurement of workpieces and

measuring equipment — Part 2: Guidance for the estimation of uncertainty in GPS measurement, in

calibration of measuring equipment and in product verification

ISO 14978:2006, Geometrical product specifications (GPS) — General concepts and requirements for GPS

measuring equipment

ISO/IEC Guide 98-3, Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in

measurement (GUM:1995)

ISO/IEC Guide 99, International vocabulary of metrology — Basic and general concepts and associated terms

(VIM)
3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO/IEC Guide 99, ISO 14253-1,

ISO 14253-2, ISO 14978 and the following apply.
3.1
dial test indicator

〈lever type〉 measuring instrument in which the displacement of a pivoting stylus is transmitted and magnified

by suitable mechanical means to a pointer which rotates in front of a circular scale

1) To be published. (Revision of ISO/TS 14253-2:1999)
© ISO 2010 – All rights reserved 1
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SIST EN ISO 9493:2012
ISO 9493:2010(E)
4 Design characteristics
4.1 General design features

4.1.1 The general design and workmanship of the dial test indicator shall be such that its metrological

characteristics comply with the requirements of this International Standard under all orientations of operation.

4.1.2 Dial test indicators indicate displacement in a direction normal to the axis of the stylus, and in the

same plane as the rotational direction of the stylus, unless otherwise stated. See Figure D.1 as an example. If

used at some other angle, a correction shall be made (see Annex D).

4.1.3 Dial test indicators shall be capable of measuring when the stylus is displaced in either direction from

its rest position.

NOTE Some dial test indicators have the ability to measure in both directions without external adjustments and some

dial test indicators are provided with a bias lever to change the measuring direction.

4.2 Type

Dial test indicators are commonly manufactured in three types [see Figure 1 a), b) and c)]. These types have

the following names.

⎯ Type S, Standard, where the dial face is mounted on the body of the dial test indicator, in a plane

perpendicular to the plane in which the stylus moves.

⎯ Type H, Horizontal, where the dial face is mounted on the body of the dial test indicator, in a plane

parallel to the plane in which the stylus moves.

⎯ Type V, Vertical, where the dial face is mounted at the end of the dial test indicator opposite that of the

stylus.

NOTE Although less common, configurations of dial test indicators, which do not fall into the above three categories,

exist. The above-mentioned list of three named types includes those that are the most common.

2 © ISO 2010 – All rights reserved
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SIST EN ISO 9493:2012
ISO 9493:2010(E)
a) Type S b) Type H
c) Type V
Figure 1 — Examples of dial test indicator types
© ISO 2010 – All rights reserved 3
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SIST EN ISO 9493:2012
ISO 9493:2010(E)
4.3 Nomenclature

Design features of dial test indicators are shown in Figure 2. The descriptions in this International Standard

use the nomenclature shown in this figure.
Key
1 dovetail segments
2 bias lever (if required)
3 stylus
4 stylus tip
5 bezel
6 dial
7 scale
8 pointer
9 housing
10 friction or ratchet drive
Figure 2 — Nomenclature
4.4 Dovetail mounting

Dial test indicators shall be provided with a means to facilitate attachment to test stands or other similar

devices. This is often accomplished by means of dovetail segments on the body of the dial test indicator

(see Figure 2) and a dovetail clamp. The exact design and location of these dovetail segments is left to the

manufacturer's discretion.

Clamping stems shall conform to the fit tolerance h6 (see Figure 3 and Table 1) to ensure interchangeability.

Common nominal diameters of clamping stems include 4 mm, 6 mm and 8 mm. A portion of the clamping

stem (L in Figure 3) no shorter than 12 mm shall be held to the fit tolerance (controlled diameter). The

clamping stem can be longer than this minimum length, but it is not necessary to hold the h6 tolerance on the

entire length.
4 © ISO 2010 – All rights reserved
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SIST EN ISO 9493:2012
ISO 9493:2010(E)
Figure 3 — Example of clamping stems
4.5 Dial and pointer

The circular scale shall be graduated in scale intervals. The scale interval and its unit shall be labelled.

Examples of scale layouts are shown in Figure 4 (e.g. scale intervals of 0,01 mm, 0,001 mm, and 0,002 mm).

At rest, the pointer shall be at least 1/10 revolution counterclockwise from the point representing the beginning

of the measuring range. This beginning point is normally the 12 o'clock or the 6 o'clock position on the dial.

The pointer shall move at least one full revolution beyond this beginning point of the measuring range, to the

next occurrence of this point, plus at least another 1/10 revolution before reaching the end of its travel. This

range before the measuring range begins is called pre-span, and the range after one full revolution is called

post-span. The pre-span and post-span movements shall not be considered in the measuring range of the dial

test indicator.

NOTE There are dial test indicators in use with less than 1/10 revolution of pre-span or post-span. In these cases, it

is the responsibility of the user and the manufacturer to agree on the amount of pre-span allowed.

In any case, there shall be at least one full revolution of measuring range, plus some agreed upon amount

...

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