EN 60567:2005

SLOVENSKI SIST EN 60567:2006
STANDARD
januar 2006
Z oljem polnjena električna oprema – Vzorčenje plinov in olja ter analiziranje
prostih in raztopljenih plinov – Napotek (IEC 60567:2005)
(istoveten EN 60567:2005)
Oil-filled electrical equipment – Sampling of gases and of oil for analysis of free
and dissolved gases – Guidance (IEC 60567:2005)
ICS 29.040.10 Referenčna številka
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

EUROPEAN STANDARD EN 60567
NORME EUROPÉENNE
EUROPÄISCHE NORM October 2005

ICS 17.220.99; 29.040.10; 29.035.99 Supersedes EN 60567:1992

English version
Oil-filled electrical equipment –
Sampling of gases and of oil for analysis of
free and dissolved gases –
Guidance
(IEC 60567:2005)
Matériels électriques immergés – Ölgefüllte elektrische Betriebsmittel –
Echantillonnage de gaz et d'huile pour Probennahme von Gasen und von Öl
analyse des gaz libres et dissous – für die Analyse freier und gelöster Gase –
Lignes directrices Anleitung
(CEI 60567:2005) (IEC 60567:2005)

This European Standard was approved by CENELEC on 2005-09-01. 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 Central Secretariat 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 Central Secretariat has the same status as the official versions.

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

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

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 60567:2005 E
Foreword
The text of document 10/621/FDIS, future edition 3 of IEC 60567, prepared by IEC TC 10, Fluids for
electrotechnical applications, was submitted to the IEC-CENELEC parallel vote and was approved by
CENELEC as EN 60567 on 2005-09-01.
This European Standard supersedes EN 60567:1992.
The main changes with respect to EN 60567:1992 are listed below.
Since the publication of EN 60567:1992, a number of new gas extraction methods have been
developed and are commercially available, such as mercury-free versions of the standard Toepler and
partial degassing methods, which are referenced to in Annex C of this new edition. The head space
method, based on a new concept for the extraction of gases from oil is introduced as a full method,
and reference is made to a simplified version of it also in Annex C (shake test method). More sensitive
chromatographic techniques have also been developed and are presented in this new edition of the
standard.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2006-06-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2008-09-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60567:2005 was approved by CENELEC as a European
Standard without any modification.
__________
- 3 - EN 60567:2005
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
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.
NOTE Where an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
1) 2)
IEC 60296 - Fluids for electrotechnical applications - EN 60296 2004
Unused mineral insulating oils for + corr. September 2004
transformers and switchgear
1) 2)
IEC 60599 - Mineral oil-impregnated electrical EN 60599 1999
equipment in service - Guide to the
interpretation of dissolved and free gases
analysis
1) 2)
ISO/IEC 17025 - General requirements for the competence EN ISO/IEC 2005
of testing and calibration laboratories 17025

ISO 5725 Series Accuracy (trueness and precision) of - -
measurement methods and results

1)
Undated reference.
2)
Valid edition at date of issue.

NORME CEI
INTERNATIONALE
IEC
INTERNATIONAL
Troisième édition
STANDARD
Third edition
2005-06
Matériels électriques immergés –
Echantillonnage de gaz et d'huile
pour analyse des gaz libres et dissous –
Lignes directrices
Oil-filled electrical equipment –
Sampling of gases and of oil for analysis
of free and dissolved gases – Guidance

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microfilms, sans l'accord écrit de l'éditeur. the publisher.
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For price, see current catalogue

60567  IEC:2005 – 3 –
CONTENTS
FOREWORD.7
INTRODUCTION.11

1 Scope.15
2 Normative references .15
3 Sampling of gases from gas-collecting (Buchholz) relays.17
3.1 General remarks.17
3.2 Sampling of free gases by syringe.17
3.3 Sampling of free gases by displacement of oil .19
3.4 Sampling of free gases by vacuum .21
4 Sampling of oil from oil-filled equipment .21
4.1 General remarks.21
4.2 Sampling of oil by syringe .23
4.3 Sampling of oil by sampling tube .25
4.4 Sampling of oil by bottles .27
4.5 Disposal of waste oil .29
5 Labelling of samples.29
6 Preparation of gas-in-oil standards .31
6.1 First method: preparation of a large volume of gas-in-oil standard.31
6.2 Second method: preparation of gas-in-oil standards in a syringe or a vial.35
7 Extraction of gases from oil .37
7.1 General remarks.37
7.2 Multi-cycle vacuum extraction using Toepler pump apparatus .39
7.3 Vacuum extraction by partial degassing method .43
7.4 Stripping extraction method.47
7.5 Head-space method .49
8 Gas analysis by gas-solid chromatography.69
8.1 General remarks.69
8.2 Outline of suitable methods using Table 3 .71
8.3 Apparatus.71
8.4 Preparation of apparatus .75
8.5 Analysis .77
8.6 Calibration of the chromatograph.77
8.7 Calculations .79
9 Quality control .79
9.1 Verification of the entire analytical system.79
9.2 Limits of detection and quantification.81
9.3 Repeatability, reproducibility and accuracy.83
10 Report of results.87

60567  IEC:2005 – 5 –
Annex A (informative) Procedure for testing the integrity of the syringes before filling
with oil (see Figure 4) .121
Annex B (informative) Correction for incomplete gas extraction in partial degassing
method by calculation .123
Annex C (informative) Mercury-free and shake test versions of the standard
extraction methods .125
Annex D (informative) Preparation of air-saturated standards .127

60567  IEC:2005 – 7 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
___________
OIL-FILLED ELECTRICAL EQUIPMENT –
SAMPLING OF GASES AND OF OIL FOR ANALYSIS
OF FREE AND DISSOLVED GASES – GUIDANCE

FOREWORD
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