EN ISO 6781-1:2023

Performance of buildings - Detection of heat, air and moisture irregularities in buildings by infrared methods - Part 1: General procedures (ISO 6781-1:2023)

This document specifies requirements and methodologies for infrared thermographic services for detection of heat, air and moisture irregularities in buildings that help users to specify and understand
a)       the extent of thermographic services required,
b)       the type and condition of equipment available for use,
c)        the qualifications of equipment operators, image analysts, and report authors and those making recommendations, and
d)       the reporting of results.
It provides guidance to understanding and utilizing the final results stemming from provision of the thermographic services.
This document is applicable to the general procedures for infrared thermographic methods as can be applied to residential, commercial, and institutional and special use buildings.

Verhalten von Gebäuden - Feststellung von wärme-, luft- und feuchtebezogenen Unregelmäßigkeiten in Gebäuden durch Infrarotverfahren - Teil 1: Allgemeine Verfahren (ISO 6781-1:2023)

Dieses Dokument legt Anforderungen und Methoden für infrarot-thermographische Dienstleistungen für den Nachweis von wärme-, luft- und feuchtebezogene Unregelmäßigkeiten in Gebäuden fest, die dem Anwender dabei helfen,
a)   den Umfang der erforderlichen thermographischen Dienstleistungen,
b)   die Art und den Zustand der zu verwendenden Ausrüstung,
c)   die Qualifikationen der Ausrüstungsbetreiber, Thermograf und Berichtsautoren sowie der Personen, die Empfehlungen aussprechen,
d)   die Berichterstattung über die Ergebnisse
festzulegen und zu verstehen. Mit diesem Dokument wird den Anwendenden ein Leitfaden an die Hand geben, wie die sich aus der Bereitstellung von thermographischen Dienstleistungen ergebenden Endergebnisse zu verstehen und zu nutzen sind.
Dieses Dokument ist für die allgemeinen Vorgehensweisen für infrarot-thermographische Verfahren bei Wohngebäuden, Geschäftsgebäuden und öffentlichen und Spezialgebäuden anwendbar.

Performance des bâtiments - Détection d'irrégularités de chaleur, air et humidité dans les bâtiments par des méthodes infrarouges - Partie 1: Modes opératoires généraux (ISO 6781-1:2023)

Le présent document spécifie les exigences et les méthodologies relatives aux services de thermographie infrarouge pour la détection d’irrégularités de chaleur, air et humidité dans les bâtiments, afin d’aider les utilisateurs à spécifier et à comprendre:
a)       l’étendue des services de thermographie exigés;
b)       le type et l’état de l’équipement pouvant être utilisé;
c)        les qualifications des opérateurs de l’équipement, des analystes de données, des auteurs de rapports et des personnes qui émettent des recommandations; et
d)       la présentation des résultats.
Il fournit des recommandations concernant la compréhension et l’utilisation des résultats finals découlant des prestations de services de thermographie.
Le présent document s’applique aux modes opératoires généraux des méthodes de contrôle par thermographie infrarouge qui peuvent être appliquées aux bâtiments résidentiels, commerciaux, institutionnels et à usage spécial.

Značilnosti stavb - Zaznavanje nepravilnosti toplote, zraka in vlage v stavbah z infrardečimi metodami - 1. del: Splošni postopki (ISO 6781-1:2023)

Ta dokument določa zahteve in metodologije za infrardeče termografske storitve za zaznavanje nepravilnosti toplote, zraka in vlage v stavbah, ki so uporabnikom v pomoč pri določanju in razumevanju:
a) obsega potrebnih termografskih storitev,
b) vrste in stanja opreme, ki je na voljo za uporabo,
c) kvalifikacij operaterjev opreme, slikovnih analitikov in avtorjev poročil ter tistih, ki dajejo priporočila, in
d) poročanja o rezultatih.
Podaja smernice za razumevanje in uporabo končnih rezultatov, ki izhajajo iz zagotavljanja termografskih storitev.
Ta dokument se uporablja za splošne postopke za infrardeče termografske metode, ki se lahko uporabljajo za stanovanjske, poslovne in institucionalne stavbe ter stavbe za posebno uporabo.

General Information

• Status: Published
• Publication Date: 15-Aug-2023
• ICS: 91.120.10 - Thermal insulation of buildings
• Technical Committee: CEN/TC 89 - Thermal performance of buildings and building components
• Drafting Committee: CEN/TC 89/WG 8 - Thermal test methods
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 16-Aug-2023
• Due Date: 22-Jun-2023
• Completion Date: 16-Aug-2023
• Directive: 305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
• Ref Project: SIST EN ISO 6781-1:2023 - Performance of buildings - Detection of heat, air and moisture irregularities in buildings by infrared methods - Part 1: General procedures (ISO 6781-1:2023)

Relations

• Replaces: EN 13187:1998 - Thermal performance of buildings - Qualitative detection of thermal irregularities in building envelopes - Infrared method (ISO 6781:1983 modified)
• Effective Date: 28-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
01-november-2023
Nadomešča:
SIST EN 13187:2000
Značilnosti stavb - Zaznavanje nepravilnosti toplote, zraka in vlage v stavbah z
infrardečimi metodami - 1. del: Splošni postopki (ISO 6781-1:2023)
Performance of buildings - Detection of heat, air and moisture irregularities in buildings
by infrared methods - Part 1: General procedures (ISO 6781-1:2023)
Verhalten von Gebäuden - Feststellung von wärme-, luft- und feuchtebezogenen
Unregelmäßigkeiten in Gebäuden durch Infrarotverfahren - Teil 1: Allgemeine Verfahren
(ISO 6781-1:2023)
Performance des bâtiments - Détection d'irrégularités de chaleur, air et humidité dans les
bâtiments par des méthodes infrarouges - Partie 1: Procédures générales (ISO 6781-
1:2023)
Ta slovenski standard je istoveten z: EN ISO 6781-1:2023
ICS:
91.120.10 Toplotna izolacija stavb Thermal insulation of
buildings
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 6781-1
EUROPEAN STANDARD
NORME EUROPÉENNE
August 2023
EUROPÄISCHE NORM
ICS 91.120.10 Supersedes EN 13187:1998
English Version
Performance of buildings - Detection of heat, air and
moisture irregularities in buildings by infrared methods -
Part 1: General procedures (ISO 6781-1:2023)
Performance des bâtiments - Détection d'irrégularités Verhalten von Gebäuden - Feststellung von wärme-,
de chaleur, air et humidité dans les bâtiments par des luft- und feuchtebezogenen Unregelmäßigkeiten in
méthodes infrarouges - Partie 1: Modes opératoires Gebäuden durch Infrarotverfahren - Teil 1: Allgemeine
généraux (ISO 6781-1:2023) Verfahren (ISO 6781-1:2023)
This European Standard was approved by CEN on 24 June 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 6781-1:2023 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 6781-1:2023) has been prepared by Technical Committee ISO/TC 163/SC 1
"Test and measurement methods" in collaboration with Technical Committee CEN/TC 89 “Thermal
performance of buildings and building components” the secretariat of which is held by SIS.
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 February 2024, and conflicting national standards
shall be withdrawn at the latest by February 2024.
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 13187:1998.
This document has been prepared under a Standardization Request given to CEN by the European
Commission and the European Free Trade Association.
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 6781-1:2023 has been approved by CEN as EN ISO 6781-1:2023 without any
modification.
INTERNATIONAL ISO
STANDARD 6781-1
First edition
2023-08
Performance of buildings — Detection
of heat, air and moisture irregularities
in buildings by infrared methods —
Part 1:
General procedures
Performance des bâtiments — Détection d'irrégularités de chaleur,
air et humidité dans les bâtiments par des méthodes infrarouges —
Partie 1: Modes opératoires généraux
Reference number
ISO 6781-1:2023(E)
ISO 6781-1:2023(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: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii
ISO 6781-1:2023(E)
Contents Page
Foreword .v
Introduction .vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 General terms . 2
3.2 Thermography terms . 4
4 Symbols and abbreviated terms.7
5 Example applications of use of thermography in building assessments .8
6 Customer preparation . 8
7 Qualification of personnel .9
7.1 Personnel — General guidance . 9
7.2 Application specific requirements . 10
7.2.1 Residential buildings — Qualification requirements . 10
7.2.2 Commercial buildings — Qualification requirements . 10
7.2.3 Institutional / Industrial buildings — Qualification requirements . 10
8 Equipment requirements for thermographic examination of residential,
commercial and institutional buildings .11
8.1 Equipment — General requirements . 11
8.2 Calibration and checking of equipment .12
9 Safety .12
10 Thermography techniques .12
10.1 General .12
10.2 Comparative thermography .12
10.2.1 General .12
10.2.2 Technique .13
10.3 Comparative qualitative thermography . 13
10.4 Comparative quantitative thermography . 14
10.4.1 General . 14
10.4.2 Comparative quantitative thermography — Limitations . 14
11 Non-contact infrared radiometry (spot radiometry) using infrared thermography
cameras .15
12 Air leakage and mass transfer .15
12.1 Air leakage . . 15
12.2 Mass transfer — Moisture . 15
13 Moisture detection .16
13.1 Conductivity test method — Moisture detection . 16
13.2 Capacitance test method — Moisture detection . 16
13.3 Phase change test method — Moisture detection . 16
14 Baseline measurements for building maintenance and condition monitoring .17
15 Data collection . .17
16 Field measurements of reflected temperature and emissivity, and attenuating
media .18
17 Comparative assessment criteria — Severity .18
18 Diagnosis and prognosis.
...