EN 50104:2019/A1:2023

SLOVENSKI STANDARD
01-junij-2023
Električne naprave za odkrivanje in merjenje kisika - Zahteve za delovanje in
preskusne metode - Dopolnilo A1
Electrical equipment for the detection and measurement of oxygen - Performance
requirements and test methods
Elektrische Geräte für die Detektion und Messung von Sauerstoff - Anforderungen an
das Betriebsverhalten und Prüfverfahren
Appareils électriques de détection et de mesure de l'oxygène - Exigences d’aptitude à la
fonction et méthodes d’essai
Ta slovenski standard je istoveten z: EN 50104:2019/A1:2023
ICS:
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
29.260.20 Električni aparati za Electrical apparatus for
eksplozivna ozračja explosive atmospheres
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 50104:2019/A1

NORME EUROPÉENNE
EUROPÄISCHE NORM March 2023
ICS 13.320
English Version
Electrical equipment for the detection and measurement of
oxygen - Performance requirements and test methods
Appareils électriques de détection et de mesure de Elektrische Geräte für die Detektion und Messung von
l'oxygène - Exigences d'aptitude à la fonction et méthodes Sauerstoff - Anforderungen an das Betriebsverhalten und
d'essai Prüfverfahren
This amendment A1 modifies the European Standard EN 50104:2019; it was approved by CENELEC on 2022-08-16. CENELEC members
are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment 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 amendment 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50104:2019/A1:2023 E

Contents Page
European foreword . 3
1 Modification to Clause 2, “Normative references” . 4
2 Modification to Clause 4, “General requirements” . 4
3 Modification to Clause 5, “Test methods” . 4
European foreword
This document (EN 50104:2019/A1:2023) has been prepared by CLC/TC 31 “Electrical apparatus for
potentially explosive atmospheres”.
The following dates are fixed:
• latest date by which this document has to be (dop) 2023-10-01
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards (dow) 2026-03-31
...