ISO 80000-5:2019/Amd 1:2025

Quantities and units — Part 5: Thermodynamics — Amendment 1

Grandeurs et unités — Partie 5: Thermodynamique — Amendement 1

General Information

• Status: Published
• Publication Date: 23-Jul-2025
• ICS: 01.060 - Quantities and units
• Technical Committee: ISO/TC 12 - Quantities and units
• Drafting Committee: ISO/TC 12 - Quantities and units
• Current Stage: 6060 - International Standard published
• Start Date: 24-Jul-2025
• Due Date: 31-May-2026
• Completion Date: 24-Jul-2025

Relations

• Amends: ISO 80000-5:2019 - Quantities and units — Part 5: Thermodynamics
• Effective Date: 03-Jun-2023

Standards Content (Sample)

International
Standard
ISO 80000-5
Second edition
Quantities and units —
2019-08
Part 5:
AMENDMENT 1
Thermodynamics
2025-07
AMENDMENT 1
Grandeurs et unités —
Partie 5: Thermodynamique
AMENDEMENT 1
Reference number
ISO 80000-5:2019/Amd.1:2025(en) © ISO 2025

ISO 80000-5:2019/Amd.1:2025(en)
© ISO 2025
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: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii
ISO 80000-5:2019/Amd.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 work. ISO collaborates closely
with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
right
...

Norme
internationale
ISO 80000-5
Deuxième édition
Grandeurs et unités —
2019-08
Partie 5:
AMENDEMENT 1
Thermodynamique
2025-07
AMENDEMENT 1
Quantities and units —
Part 5: Thermodynamics
AMENDMENT 1
Numéro de référence
ISO 80000-5:2019/Amd.1:2025(fr) © ISO 2025

ISO 80000-5:2019/Amd.1:2025(fr)
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2025
Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvre, aucune partie de cette
publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique,
y compris la photocopie, ou la diffusion sur l’internet ou sur un intranet, sans autorisation écrite préalable. Une autorisation peut
être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.
ISO copyright office
Case postale 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Genève
Tél.: [phone]
E-mail: [e-mail]
Web: www.iso.org
Publié en Suisse
ii
ISO 80000-5:2019/Amd.1:2025(fr)
Avant-propos
L’ISO (Organisation internationale de normalisation) est une fédération mondiale d’organismes nationaux
de normalisation (comités membres de l’ISO). L’élaboration des Normes internationales est en général
confiée aux comités techniques de l’ISO. Chaque comité membre intéressé par une étude a le droit de faire
partie du comité technique créé à cet effet. Les organisations internationales, gouvernementales et non
gouvernementales, en liaison avec l’ISO participent également aux travaux. L’ISO collabore étroitement avec
la Commission électrotechnique internationale (IEC) en ce qui concerne la normalisation électrotechnique.
Les procédures utilisées pour élaborer le présent document et celles destinées à sa mise à jour sont
décrites dans les Directives ISO/IEC, Partie 1. Il convient, en particulier, de prendre note des différents
critères d'approbation requis pour les différents types de documents ISO. Le présent document
a été rédigé conformément aux règles de rédaction données dans les Directives ISO/IEC, Partie 2
(voir www.iso.org/directives).
L’ISO attire l’attention sur le fait que la mise en application du présent document peut entraîner l’utilisation
d’un ou de plusieurs brevets. L’ISO ne prend pas position quant à la preuve, à la validité et à l’applicabilité
de tout droit de brevet revendiqué à cet égard. À la date de publication du présent document, l’ISO n’avait
pas reçu notification qu’un ou plusieurs brevets pouvaient être nécessaires à sa
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Date: 2025-05-10
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ISO 80000-5:2019/Amd. 1:2025(fr) Style Definition
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ISO/TC 12
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Secrétariat: SIS Style Definition
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Deuxième édition
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2025-05
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Grandeurs et unités — —
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Partie 5:
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Thermodynamique .
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AMENDEMENT 1
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Quantities and units —
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Part 5: Thermodynamics
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AMENDMENT 1 .
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© ISO 2025
Formatted: French (France)
Formatted: Default Paragraph Font, French (France)
Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvreoeuvre, aucune partie
de cette publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique
Formatted: Default Paragraph Font, French (France)
ou mécanique, y compris la photocopie, ou la diffusion sur l’internet ou sur un intranet, sans autorisation écrite préalable.
Formatted: French (France)
Une autorisation peut être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du
demandeur. Formatted: Adjust space between Latin and Asian text,
Adjust space between Asian text and numbers
ISO copyright office
Formatted: French (France)
CP 401 • Ch. de Blandonnet 8
Formatted: French (France)
CH-1214 Vernier, GenèveGeneva
Tél.:Phone: + 41 22 749 01 11
Formatted: English (United Kingdom)
E-mail: [e-mail]
Formatted: English (United Kingdom)
Web: www.iso.org
Formatted: French (France)
Website: www.iso.org
Publié en Suisse
Formatted: French (France)
Formatted: Adjust space between Latin and Asian text,

Adjust space between Asian text and numbers
© ISO 2025 – Tous droits réservés
ii
ISO 80000-5:2019/Amd. 1:2025(fr) Formatted: Font: 11 pt
Formatted: Font: 11 pt
Avant-propos Formatted: French (France)
Formatted: Adjust space between Latin and Asian text,
L’ISO (Organisation internationale de normalisation) est une fédération mondiale d’organismes nationaux de
Adjust space between Asian text and numbers
normalisation (comités membres de l’ISO). L’élaboration des Normes internationales est en général confiée
aux comités techniques de l’ISO. Chaque comité membre intéressé par une étude a le droit de faire partie du
comité technique créé à cet effet. Les organisations internationales, gouvernementales et non
gouvernementales, en liaison avec l’ISO participent également aux travaux. L’ISO collabore étroitement avec
la Commission électrotechnique internationale (IEC) en ce qui concerne la normalisation électrotechnique.
Les procédures utilisées pour élaborer le présent document et celles destinées à sa mise à jour sont décrites
dans les Directives ISO/IEC, Partie 1. Il convient, en particulier, d
...

International
Standard
ISO 80000-5
Second edition
Quantities and units —
2019-08
Part 5:
AMENDMENT 1
Thermodynamics
AMENDMENT 1
Grandeurs et unités —
Partie 5: Thermodynamique
AMENDEMENT 1
PROOF/ÉPREUVE
Reference number
ISO 80000-5:2019/Amd.1:2025(en) © ISO 2025

ISO 80000-5:2019/Amd.1:2025(en)
© ISO 2025
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: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
PROOF/ÉPREUVE
ii
ISO 80000-5:2019/Amd.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 work. ISO collaborates closely
with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As
...

Formatted: Left
Style Definition
ISO 80000-5:2019/PRF Amd. 1:2025(en) .
Formatted: zzCover large
ISO/TC 12
Formatted: Footer distance from edge: 36 pt
Secretariat: SIS
Formatted: French (France)
Date: 2025-03-12xx
Formatted: French (France)
Quantities and units —
Formatted
Part 5: .
Thermodynamics
Formatted: Font: 16 pt, French (France)
AMENDMENT 1
Formatted: Cover Title_A3
Grandeurs et unités —
Formatted: French (France)
Partie 5: Thermodynamique
Formatted: French (France)
AMENDEMENT 1
Formatted: French (France)
Formatted: Cover Title_B
PROOF
Formatted: Justified
ISO 80000-5:2019/DAmdPRF Amd 1(en)
Formatted
Formatted: Default Paragraph Font, French (France)
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication
Formatted: French (France)
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
Formatted: Default Paragraph Font, French (France)
at the address below or ISO’s member body in the country of the requester.
Formatted: Adjust space between Latin and Asian text,
Adjust space between Asian text and numbers
ISO copyright office
CP 401 • Ch. de Blandonnet 8
Formatted: French (France)
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
Formatted: French (France)
E-mail: [e-mail]
Website: www.iso.org
Published in Switzerland
ii
ISO 80000-5:2019/PRF Amd. 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 work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types of
ISO documents should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concern
...