EN 60584-1:2013

Thermocouples - Part 1: EMF specifications and tolerances

IEC 60584-1:2013 specifies reference functions and tolerances for letter-designated thermocouples (Types R, S, B, J, T, E, K, N, C and A). Temperatures are expressed in degrees Celsius based on the International Temperature Scale of 1990, ITS-90 (symbol t90), and the EMF (symbol E) is in microvolts. The reference functions are polynomials which express the EMF, E in V, as a function of temperature t90 in °C with the thermocouple reference junctions at 0 °C. Values of EMF at intervals of 1 °C are tabulated in Annex A. This third edition cancels and replaces the second edition published in 1995 and constitutes a technical revision. It includes the following changes: - IEC 60584-1:1995 and IEC 60584-2:1982 have been merged; - the standard is now explicitly based on the reference polynomials which express thermocouple EMF as functions of temperature. The tables derived from the polynomials are given in Annex A; - inverse polynomials expressing temperature as functions of EMF are given in Annex B, but inverse tables are not given; - the range of the polynomial relating the EMF of Type K thermocouples is restricted to 1 300 °C; - values of the Seebeck coefficients are given at intervals of 10 °C; - thermoelectric data (EMF and Seebeck coefficients) are given at the fixed points of the ITS-90; - some guidance is given in Annex C regarding the upper temperature limits and environmental conditions of use for each thermocouple type.

Thermoelemente - Teil 1: Thermospannungen und Grenzabweichungen

Couples thermoélectriques - Partie 1: Spécifications et tolérances en matière de FEM

La CEI 60584-1:2013 spécifie les fonctions de référence et les tolérances associées aux couples thermoélectriques désignés par une lettre (Types R, S, B, J, T, E, K, N, C et A). Les températures y sont exprimées en degrés Celsius selon l'Échelle Internationale de Température de 1990, EIT-90 (symbole t90) et les FEM (symbole E), en microvolts. Les fonctions de référence sont des polynômes qui expriment la FEM, E en V, en fonction de la température t90 en °C, les jonctions de référence des couples thermoélectriques étant placées à 0 °C. L'Annexe A présente, sous forme de tableau, les valeurs de la FEM tous les 1 °C. Cette troisième édition annule et remplace la deuxième édition parue en 1995. Elle constitue une révision technique. Elle inclut les modifications suivantes: - les CEI 60584-1:1995 et CEI 60584-2:1982 ont été fusionnées; - la norme repose désormais de manière explicite sur les polynômes de référence qui expriment la FEM des couples thermoélectriques en fonction de la température. L'Annexe A donne les tables dérivées des polynômes; - l'Annexe B donne les polynômes inverses, qui expriment la température en fonction de la FEM, mais ne donne pas les tables inverses; - le domaine de température du polynôme exprimant la FEM des couples thermoélectriques de Type K est limité à 1 300 °C; - la valeur du coefficient de Seebeck est donnée tous les 10 °C; - les données thermoélectriques (FEM et coefficients de Seebeck) sont fournies aux points fixes de l'EIT-90; - l'Annexe C donne des lignes directrices concernant les limites supérieures de température et les conditions d'environnement lors de l'utilisation de chaque Type de couple thermoélectrique.

Termočleni - 1. del: Specifikacije potencialov (EMF) in tolerance (IEC 60584-1:2013)

Ta del standarda IEC 60584 določa referenčne funkcije in tolerance za termočlene, označene s črkami (tipi R, S, B, J, T, E, K, N, C in A). Temperature so navedene v stopinjah Celzija na podlagi mednarodne temperaturne lestvice iz leta 1990, ITS-90 (simbol t90), EMF (simbol E) pa je naveden v mikrovoltih. Referenčne funkcije so polinomi, ki izražajo EMF, E in μV kot funkcijo temperature t90 v °C z referenčnimi spoji termočlenov pri 0 °C. Vrednosti EMF na enostopinjskih intervalih so tabelirane v Dodatku A. Za pomoč pri računanju temperatur so v Dodatku B podane inverzne funkcije, ki izražajo temperaturo kot funkcijo EMF znotraj podanih mej. Ta mednarodni standard določa tolerance termočlenov, ki so proizvedeni v skladu s tem standardom. Vrednosti toleranc veljajo za termočlene, proizvedene iz žic, običajno s premerom v razponu od 0,13 mm do 3,2 mm, pri čemer se upošteva, da je med uporabo instrument pravilno kalibriran. Dodatek C podaja smernice za izbiro termočlenov glede na temperaturno območje in okoljske pogoje.

General Information

• Status: Published
• Publication Date: 12-Dec-2013
• Withdrawal Date: 01-Oct-2016
• ICS: 17.200.20 - Temperature-measuring instruments
• Technical Committee: CLC/TC 65X - Industrial-process measurement, control and automation
• Drafting Committee: IEC/SC 65B - IEC_SC_65B
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 13-Dec-2013
• Completion Date: 13-Dec-2013
• Ref Project: SIST EN 60584-1:2014 - Thermocouples - Part 1: EMF specifications and tolerances (IEC 60584-1:2013)

Relations

• Replaces: EN 60584-2:1993 - Thermocouples - Part 2: Tolerances
• Effective Date: 29-Jan-2023
• Replaces: EN 60584-1:1995 - Thermocouples - Part 1: Reference tables
• Effective Date: 29-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
01-julij-2014
1DGRPHãþD
SIST EN 60584-1:1998
SIST EN 60584-2:1999
7HUPRþOHQLGHO6SHFLILNDFLMHSRWHQFLDORY(0)LQWROHUDQFH,(&
Thermocouples - Part 1: EMF specifications and tolerances (IEC 60584-1:2013)
Thermoelemente - Teil 1: Thermospannungen und Grenzabweichungen (IEC 60584-
1:2013)
Couples thermoélectriques - Partie 1: Spécifications et tolérances en matière de FEM
(CEI 60584-1:2013)
Ta slovenski standard je istoveten z: EN 60584-1:2013
ICS:
17.200.20 Instrumenti za merjenje Temperature-measuring
temperature instruments
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 60584-1
NORME EUROPÉENNE
December 2013
EUROPÄISCHE NORM
ICS 17.200.20 Supersedes EN 60584-1:1995, EN 60584-2:1993

English version
Thermocouples -
Part 1: EMF specifications and tolerances
(IEC 60584-1:2013)
Couples thermoélectriques -  Thermoelemente -
Partie 1: Spécifications et tolérances en Teil 1: Thermospannungen und
matière de FEM Grenzabweichungen
(CEI 60584-1:2013) (IEC 60584-1:2013)

This European Standard was approved by CENELEC on 2013-10-02. CENELEC 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 CENELEC 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 CENELEC member into its own language and notified
to the CEN-CENELEC Management Centre has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus,
the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany,
Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

CEN-CENELEC Management Centre: Avenue Marnix 17, B - 1000 Brussels

© 2013 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60584-1:2013 E
Foreword
The text of document 65B/873/FDIS, future edition 3 of IEC 60584-1, prepared by SC 65B
"Measurement and control devices" of IEC/TC 65 "Industrial-process measurement, control and
automation" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
The following dates are fixed:
• latest date by which the document has to be (dop) 2014-07-02
implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2016-10-02
• latest date by which the national
standards conflicting with the
document have to be withdrawn
This document supersedes EN 60584-1:1995 and EN 60584-2:1993.

EN 60584-1:1995 and EN 60584-2:1993:
a) EN 60584-1:1995 and EN 60584-2:1993 have been merged;
b) the standard is now explicitly based on the reference polynomials which express thermocouple
EMF as functions of temperature. The tables derived from the polynomials are given in Annex A;
c) inverse polynomials expressing temperature as functions of EMF are given in Annex B, but inverse
tables are not given;
d) the range of the polynomial relating the EMF of Type K thermocouples is restricted to 1 300 °C;
e) values of the Seebeck coefficients are given at intervals of 10 °C;
f) thermoelectric data (EMF and Seebeck coefficients) are given at the fixed points of the ITS-90;
g) some guidance is given in Annex C regarding the upper temperature limits and environmental
conditions of use for each thermocouple type.

Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
Endorsement notice
The text of the International Standard IEC 60584-1:2013 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:

IEC 60584-1:1995 NOTE Harmonized as EN 60584-1:1995 (not modified).
IEC 60584-2:1982 NOTE Harmonized as EN 60584-2:1993 (not modified).
IEC 60584-3:2007 NOTE Harmonized as EN 60584-3:2008 (not modified).
IEC 61515 NOTE Harmonized as EN 61515.

IEC 60584-1 ®
Edition 3.0 2013-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Thermocouples –
Part 1: EMF specifications and tolerances

Couples thermoélectriques –
Partie 1: Spécifications et tolérances en matière de FEM

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XB
ICS 17.200.20 ISBN 978-2-8322-1047-5

– 2 – 60584-1 © IEC:2013
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Terms and definitions . 7
3 Thermocouple designations . 8
4 EMF – Temperature reference functions . 9
5 Thermocouple tolerances . 14
6 Thermoelectric values at the fixed points of the ITS-90 . 15
Annex A (informative) Tables for EMF as a function of temperature . 17
Annex B (informative) Inverse polynomial functions . 57
Annex C (informative) Guidance on the selection of thermocouples . 64
Bibliography . 68

Table 1 – Thermocouple types . 9
Table 2 – Type R reference function . 10
Table 3 – Type S reference function . 11
Table 4 – Type B reference function . 11
Table 5 – Type J reference function . 11
Table 6 – Type T reference function . 12
Table 7 – Type E reference function . 12
Table 8 – Type K reference function . 13
Table 9 – Type N reference function . 13
Table 10 – Type C reference function . 14
Table 11 – Type A reference function . 14
Table 12 – Thermocouple tolerances . 15
Table 13 – EMF and Seebeck coefficients of the thermocouples at the fixed points of
the ITS-90 (EMF: upper row, Seebeck coefficient: lower row) . 16
Table A.1 – Type R: Platinum - 13 % rhodium / platinum (1 of 5) . 17
Table A.2 – Type S: Platinum-10 % rhodium / platinum (1 of 5) . 21
Table A.3 – Type B: Platinum-30 % rhodium / platinum-6 % rhodium (1 of 4) . 26
Table A.4 – Type J: Iron / copper-nickel (1 of 4) . 30
Table A.5 – Type T: Copper / copper-nickel (1 of 2) . 34
Table A.6 – Type E: Nickel-chromium / copper-nickel (1 of 3) . 36
Table A.7 – Type K: Nickel-chromium / nickel-aluminium (1 of 4) . 39
Table A.8 – Type N: Nickel-chromium-silicon / nickel-silicon (1 of 4) . 43
Table A.9 – Type C: Tungsten-5 % rhenium / tungsten-26 % rhenium (1 of 5) . 47
Table A.10 – Type A: Tungsten-5 % rhenium / tungsten-20 % rhenium (1 of 5) . 52
Table B.1 – Type R Inverse function coefficients . 58
Table B.2 – Type S Inverse function coefficients . 59
Table B.3 – Type B Inverse function coefficients . 59
Table B.4 – Type J Inverse function coefficients . 60
Table B.5 – Type T Inverse function coefficients . 60

60584-1 © IEC:2013 – 3 –
Table B.6 – Type E Inverse function coefficients . 61
Table B.7 – Type K Inverse function coefficients . 61
Table B.8 – Type N Inverse function coefficients . 62
Table B.9 – Type C Inverse function coefficients . 62
Table B.10 – Type A Inverse function coefficients . 63
Table C.1 – Recommended maximum temperature of use, t / °C . 64
max
Table C.2 – Environmental recommendations and limitations of the conductors . 66
Table C.3 – Neutron irradiation effects . 67

– 4 – 60584-1 © IEC:2013
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
THERMOCOUPLES –
Part 1: EMF specifications and tolerances

FOREWORD
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