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AS
AS/NZS 60079.28:2007

AS/NZS 60079.28:2007

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Explosive atmospheres Protection of equipment and transmission systems using optical radiation

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

30-10-2017

Superseded by

AS/NZS 60079.28:2016

Language(s)

English

Published date

26-04-2007

Publisher

Standards Australia

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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1 - AS/NZS 60079.28:2007 Explosive atmospheres Part 28: Protection of equipment and transmission systems using optical radiation
4 - PREFACE
5 - CONTENTS
6 - INTRODUCTION
7 - 1 Scope
8 - 2 Normative references
8 - 3 Terms and definitions
11 - 4 General requirements
11 - 4.1 Optical equipment
11 - 4.2 Risk levels
11 - 5 Types of protectio
11 - 5.1 General
12 - 5.2 Requirements for inherently safe optical radiation “op is”
14 - 5.3 Requirements for protected optical radiation “op pr”
15 - 5.4 Optical radiation interlock with optical fibre breakage “op sh”
15 - 5.5 Suitability of types of protection
16 - 6 Type verifications and tests
16 - 6.1 Test set-up for ignition tests
16 - 6.2 Reference tes
17 - 6.3 Test mixtures
18 - 6.4 Tests for pulse trains and pulses between 1 ms and 1 s duration
18 - 7 Marking
18 - 7.1 General
18 - 7.2 Marking information
18 - 7.3 Examples of marking
19 - Annex A (normative) Reference test data
20 - Annex B (informative) Ignition mechanisms
25 - Annex C (normative) Ignition hazard assessment
26 - Annex D (informative) Typical optical fibre cable design
27 - Annex E (informative) Introduction of an alternative risk assessment method encompassing “equipment protection levels” for Ex equipment
32 - Bibliography

Explains the potential ignition hazard from equipment using optical radiation intended for use in explosive gas atmospheres. It also covers equipment, which itself is located outside but its emitted optical radiation enters such atmospheres. It describes precautions and requirements to be taken when using optical radiation transmitting equipment in explosive gas atmospheres.

Committee
EL-014
DocumentType
Standard
ISBN
0 7337 8168 3
Pages
27
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

Standards Relationship
IEC 60079-28:2006 Identical

First published as AS/NZS 60078.29:2007.

AS/NZS 60079.0:2005 Electrical apparatus for explosive gas atmospheres General requirements
AS/NZS 2211.2:2006 Safety of laser products Safety of optical fibre communication systems (OFCS)
AS/NZS 60079.25:2004 Electrical apparatus for explosive gas atmospheres Intrinsically safe systems
AS/NZS 60079.26 (INT):2005 Electrical apparatus for explosive gas atmospheres Construction, test and marking of Group II Zone 0 electrical apparatus
AS/NZS 60079.18:2005 Electrical apparatus for explosive gas atmospheres Construction, test and marking of type of protection encapsulation m electrical apparatus
AS/NZS 60079.12:2000 Electrical apparatus for explosive gas atmospheres Classification of mixtures of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents
AS/NZS 60079.15:2006 Electrical apparatus for explosive gas atmospheres Construction, test and marking of type of protection, n electrical apparatus
AS IEC 61511.1-2004 Functional safety - Safety instrumented systems for the process industry sector - Framework, definitions, systems, hardware and software requirements
AS/NZS 60079.11:2006 Explosive atmospheres Equipment protection by intrinsic safety 'i'
AS/NZS 60079.7:2006 Explosive atmospheres Equipment protection by increased safety 'e'
AS/NZS 60079.1.1:2002 Electrical apparatus for explosive gas atmospheres Flameproof enclosures 'd' - Method of test for ascertainment of maximum experimental safe gap
AS IEC 61511.3-2004 Functional safety - Safety instrumented systems for the process industry sector - Guidance for the determination of the required safety integrity levels (Reconfirmed 2015)
AS/NZS 60079.2:2002 Electrical apparatus for explosive gas atmospheres Pressurized enclosures 'p'
AS/NZS 60079.10:2004 Electrical apparatus for explosive gas atmospheres Classification of hazardous areas (IEC 60079-10:2002 MOD)
AS/NZS 60079.1:2005 Electrical apparatus for explosive gas atmospheres Flameproof enclosures 'd'
AS/NZS 60079.6:2000 Electrical apparatus for explosive gas atmospheres Oil-immersion 'o'
AS/NZS 60079.27(INT):2006 Electrical apparatus for explosive gas atmospheres Fieldbus intrinsically safe concept (FISCO) and fieldbus non-incendive concept (FNICO)
AS/NZS 60079.5:2000 Electrical apparatus for explosive gas atmospheres Powder filling 'q'
AS/NZS 60079.20:2000 Electrical apparatus for explosive gas atmospheres Data for flammable gases and vapours, relating to the use of electrical apparatus
AS IEC 61511.2-2004 Functional safety - Safety instrumented systems for the process industry sector - Guidelines for the application of AS IEC 61511-1
AS/NZS 60079.4:2000 Electrical apparatus for explosive gas atmospheres Method of test for ignition temperature

AS 4647-2011 Diaphragm gas meters
AS/NZS 60079.17:2009 Explosive atmospheres Electrical installations inspection and maintenance (IEC 60079-17, Ed.4.0 (2007) MOD)
AS/NZS 60335.2.11:2009 Household and similar electrical appliances - Safety Particular requirements for tumble dryers (IEC 60335-2-11 Ed 7.1, MOD)
AS/NZS 60079.0:2008 Explosive atmospheres Equipment - General requirements
AS/NZS 4871.1:2010 Electrical equipment for mines and quarries General requirements
AS/NZS 60079.33:2012 Explosive atmospheres Equipment protection by special protection 's' (Reconfirmed 2024)
AS/NZS 3004.2:2008 Electrical installations - Marinas and recreational boats Recreational boats installations
AS/NZS 60079.0:2012 Explosive atmospheres Equipment - General requirements
HB 239:2011 Guidance on the repair and overhaul of electrical equipment for explosive atmospheres
AS/NZS 5026:2012 The storage and handling of Class 4 dangerous goods (Reconfirmed 2024)
HB 13-2007 Electrical equipment for hazardous areas
AS ISO 21789:2014 Gas turbine applications - Safety
AS/NZS 4871.1:2012 Electrical equipment for mines and quarries General requirements
AS/NZS 4871.3:2010 Electrical equipment for mines and quarries Substations
AS/NZS 60079.14:2009 Explosive atmospheres Electrical installations design, selection and erection (IEC 60079-14, Ed. 4.0 (2007) MOD)

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