• EN 50281-2-1 : 98 COR 99

    Current The latest, up-to-date edition.

    Electrical apparatus for use in the presence of combustible dust - Part 2-1: Test methods - Methods for determining the minimum ignition temperatures of dust

    Available format(s): 

    Language(s): 

    Published date:  03-08-1999

    Publisher:  European Committee for Standards - Electrical

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Definitions
    4 Method A: dust layer on a heated surface at a
        constant temperature
        4.1 Preparation of dust sample
        4.2 Test apparatus
        4.3 Procedure
        4.4 Test acceptance criteria
        4.5 Reporting of results
        4.6 Application of results
    5 Method B: dust cloud in a furnace at a constant
        temperature
        5.1 Preparation of dust sample
        5.2 Test apparatus
        5.3 Procedure
        5.4 Air pressure
        5.5 Criterion for ignition
        5.6 Minimum ignition temperature of a dust cloud
        5.7 Reporting of results
    Annex A (normative) Method A: Construction of a heated
                          surface and measurement of temperature
                          distribution on the surface
    Annex B (normative) Construction of a constant temperature
                          furnace
    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Definitions
    4 Method A: dust layer on a heated surface at a
        constant temperature
        4.1 Preparation of dust sample
        4.2 Test apparatus
        4.3 Procedure
        4.4 Test acceptance criteria
        4.5 Reporting of results
        4.6 Application of results
    5 Method B: dust cloud in a furnace at a constant
        temperature
        5.1 Preparation of dust sample
        5.2 Test apparatus
        5.3 Procedure
        5.4 Air pressure
        5.5 Criterion for ignition
        5.6 Minimum ignition temperature of a dust cloud
        5.7 Reporting of results
    Annex A (normative) Method A: Construction of a heated
                          surface and measurement of temperature
                          distribution on the surface
    Annex B (normative) Construction of a constant temperature
                          furnace

    Abstract - (Show below) - (Hide below)

    Defines two test methods for determining the minimum ignition temperatures of dust for the purpose of selecting electrical apparatus for use in the presence of combustible dust in accordance with EN 50281-1-2:1998 and constructed in accordance with EN 50281-1-1:1998. Not suitable for use with substances having explosive properties.

    General Product Information - (Show below) - (Hide below)

    Committee TC 31
    Document Type Test Method
    Publisher European Committee for Standards - Electrical
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    PREN 1127-1 : DRAFT 2017 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
    09/30198043 DC : 0 BS EN 1127-1 - EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
    UNI EN 13237 : 2012 POTENTIALLY EXPLOSIVE ATMOSPHERES - TERMS AND DEFINITIONS FOR EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES
    11/30239006 DC : 0 BS EN 13237 - POTENTIALLY EXPLOSIVE ATMOSPHERES - TERMS AND DEFINITIONS FOR EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES
    BS EN 50281-1-2:1999 Electrical apparatus for use in the presence of combustible dust. Electrical apparatus protected by enclosures Selection, installation and maintenance
    17/30365866 DC : 0 BS EN 1127-1 - EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
    UNE-EN 1127-1:2012 Explosive atmospheres - Explosion prevention and protection - Part 1: Basic concepts and methodology
    EN 13237:2012 Potentially explosive atmospheres - Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres
    CEN/TR 15339-6:2014 Thermal spraying - Safety requirements for thermal spraying equipment - Part 6: Spray booth, Handling system, Dust collection, Exhaust system, Filter
    S.R. CEN/TR 16829:2016 FIRE AND EXPLOSION PREVENTION AND PROTECTION FOR BUCKET ELEVATORS
    05/30127970 DC : DRAFT JAN 2005 EN 1127-1 - EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
    BS EN 1127-1:2019 Explosive atmospheres. Explosion prevention and protection Basic concepts and methodology
    BS EN 1127-1:2011 Explosive atmospheres. Explosion prevention and protection Basic concepts and methodology
    NF EN 1127-1 : 2011 EXPLOSIVES ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
    I.S. EN 13237:2012 POTENTIALLY EXPLOSIVE ATMOSPHERES - TERMS AND DEFINITIONS FOR EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES
    DIN EN 1127-1:2011-10 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
    VDI 2263 Blatt 6:2017-08 Dust fires and dust explosions - Hazards - assessment - protective measures - Dust fires and explosion protection in dust extracting installations
    BS EN 50281-3:2002 Electrical apparatus for use in the presence of combustible dust Classification of areas where combustible dusts are or may be present
    BS EN 50281-1-1:1999 Electrical apparatus for use in the presence of combustible dust. Electrical apparatus protected by enclosures Construction and testing
    EEMUA 186 : 2016 A PRACTITIONER'S HANDBOOK FOR POTENTIALLY EXPLOSIVE ATMOSPHERES
    EN 50281-1-2 : 98 AMD 1 2002 ELECTRICAL APPARATUS FOR USE IN THE PRESENCE OF COMBUSTIBLE DUST - PART 1-2: ELECTRICAL APPARATUS PROTECTED BY ENCLOSURES - SELECTION, INSTALLATION AND MAINTENANCE
    EN 50281-1-1 : 98 AMD 1 2002 ELECTRICAL APPARATUS PROTECTED BY ENCLOSURES - CONSTRUCTION AND TESTING FOR USE IN THE PRESENCE OF COMBUSTIBLE DUST - ELECTRICAL APPARATUS PROTECTED BY ENCLOSURES - CONSTRUCTION AND TESTING
    PD CEN/TR 15339-6:2014 Thermal spraying. Safety requirements for thermal spraying equipment Spray booth, Handling system, Dust collection, Exhaust system, Filter
    UNI EN 1127-1 : 2011 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
    I.S. EN 1127-1:2011 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
    S.R. CEN/TR 15339-6:2014 THERMAL SPRAYING - SAFETY REQUIREMENTS FOR THERMAL SPRAYING EQUIPMENT - PART 6: SPRAY BOOTH, HANDLING SYSTEM, DUST COLLECTION, EXHAUST SYSTEM, FILTER
    BS EN 13237:2012 Potentially explosive atmospheres. Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres
    EN 50281-3:2002 Equipment for use in the presence of combustible dust - Part 3: Classification of areas where combustible dusts are or may be present
    I.S. EN 50281-3:2002 EQUIPMENT FOR USE IN THE PRESENCE OF COMBUSTIBLE DUST - PART 3: CLASSIFICATION OF AREAS WHERE COMBUSTIBLE DUSTS ARE OR MAY BE PRESENT
    DIN EN 13237:2013-01 POTENTIALLY EXPLOSIVE ATMOSPHERES - TERMS AND DEFINITIONS FOR EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES
    EN 1127-1:2011 Explosive atmospheres - Explosion prevention and protection - Part 1: Basic concepts and methodology

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 50281-1-2 : 98 AMD 1 2002 ELECTRICAL APPARATUS FOR USE IN THE PRESENCE OF COMBUSTIBLE DUST - PART 1-2: ELECTRICAL APPARATUS PROTECTED BY ENCLOSURES - SELECTION, INSTALLATION AND MAINTENANCE
    EN 50281-1-1 : 98 AMD 1 2002 ELECTRICAL APPARATUS PROTECTED BY ENCLOSURES - CONSTRUCTION AND TESTING FOR USE IN THE PRESENCE OF COMBUSTIBLE DUST - ELECTRICAL APPARATUS PROTECTED BY ENCLOSURES - CONSTRUCTION AND TESTING
    ISO 4225:1994 Air quality General aspects Vocabulary
    ISO 565:1990 Test sieves — Metal wire cloth, perforated metal plate and electroformed sheet — Nominal sizes of openings
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