EN 45544-3:2015

SLOVENSKI STANDARD
01-september-2015
1DGRPHãþD
oSIST prEN 45544-3:2013
=UDNQDGHORYQHPPHVWX(OHNWULþQHQDSUDYH]DQHSRVUHGQRRGNULYDQMHLQ
QHSRVUHGQRPHUMHQMHNRQFHQWUDFLMHVWUXSHQLKSOLQRYLQKODSRYGHO=DKWHYDQH
ODVWQRVWL]DQDSUDYHQDPHQMHQHVSORãQHPXRGNULYDQMXSOLQD
Workplace atmospheres - Electrical apparatus used for the direct detection and direct
concentration measurement of toxic gases and vapours - Part 3: Performance
requirements for apparatus used for general gas detection
Arbeitsplatzatmosphäre - Elektrische Geräte für die direkte Detektion und direkte
Konzentrationsmessung toxischer Gase und Dämpfe - Teil 3: Anforderungen an das
Betriebsverhalten von Geräten, die für allgemeine Gaswarnanwendungen eingesetzt
werden
Atmosphères des lieux de travail - Appareillage électrique utilisé pour la détection directe
des vapeurs et gaz toxiques et le mesurage direct de leur concentration - Partie 3:
Exigences de performance des appareillages utilisés pour la détection de gaz générale
Ta slovenski standard je istoveten z: EN 45544-3:2015
ICS:
13.040.30 Kakovost zraka na delovnem Workplace atmospheres
mestu
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 45544-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
January 2015
ICS 13.040.30; 13.320 Supersedes EN 45544-3:1999
English Version
Workplace atmospheres - Electrical apparatus used for the direct
detection and direct concentration measurement of toxic gases
and vapours - Part 3: Performance requirements for apparatus
used for general gas detection
Atmosphères des lieux de travail - Appareillage électrique Arbeitsplatzatmosphäre - Elektrische Geräte für die direkte
utilisé pour la détection directe des vapeurs et gaz toxiques Detektion und direkte Konzentrationsmessung toxischer
et le mesurage direct de leur concentration - Partie 3: Gase und Dämpfe - Teil 3: Anforderungen an das
Exigences de performance des appareillages utilisés pour Betriebsverhalten von Geräten, die für allgemeine
la détection de gaz générale Gaswarnanwendungen eingesetzt werden
This European Standard was approved by CENELEC on 24 November 2014. CEN and 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 CEN and 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 CEN and CENELEC member into its own language and notified to the CEN-CENELEC Management Centre
has the same status as the official versions.
CEN and CENELEC members are the national standards bodies and national electrotechnical committees of Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece,
Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia,
Spain, Sweden, Switzerland, Turkey and United Kingdom

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
© 2015 All rights of exploitation in any form and by any means reserved worldwide for CEN national Members and for
CEN/CENELEC CENELEC Members.
Ref. No. EN 45544-3:2015 E
Contents Page
Foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 General requirements . 5
5 Performance requirements . 5
5.1 General . 5
5.2 Standard requirements . 5
5.3 Unpowered storage . 6
5.4 Calibration curve . 6
5.5 Mechanical tests . 6
5.5.1 Vibration . 6
5.5.2 Drop test . 6
5.6 Environmental tests . 6
5.6.1 Temperature . 6
5.6.2 Pressure . 6
5.6.3 Humidity . 6
5.6.4 Air velocity . 6
5.7 Performance tests . 7
5.7.1 Alarm set point(s) . 7
5.7.2 Time to alarm or alarm reading . 7
5.7.3 Flow rate . 7
5.7.4 Warm-up time . 7
5.7.5 Time of response . 7
5.7.6 Time of recovery . 7
5.7.7 Addition of sampling probe (portable and transportable apparatus only) . 7
5.7.8 Field calibration kit . 7
5.7.9 Gas concentrations above the full scale indication . 7
5.7.10 Extended operation in test gas . 7
5.7.11 Orientation tests . 8
5.8 Electrical tests . 8
5.8.1 Battery capacity . 8
5.8.2 Power supply variations . 8
5.8.3 Electromagnetic compatibility . 8
5.8.4 Time-weighted average (TWA) function . 8
5.9 Stability . 8
5.10 Verification of software and digital components . 8
Annex A (informative) Table of significant changes in comparison to EN 45544-3:1999 . 9

Foreword
This document (EN 45544-3:2015) has been prepared by CEN/CENELEC Joint Working Group Continuous
Measuring Instruments (JWG CMI).
The following dates are fixed:
• latest date by which this document has to be (dop) 2015-11-24
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards (dow) 2017-11-24
co
...