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
08-03-1999
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
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.
| Committee |
TC 31
|
| DocumentType |
Test Method
|
| PublisherName |
European Committee for Standards - Electrical
|
| Status |
Current
|
| Standards | Relationship |
| BS EN 50281-2-1:1999 | Identical |
| I.S. EN 50281-2-1:1999 | Identical |
| VDE 0170-15-2-1 : 1999 | Identical |
| DIN EN 50281-2-1 : 1999 | Identical |
| NEN EN 50281-2-1 : 1998 C1 1999 | Identical |
| NBN EN 50281 2-1 : 1999 | Similar to |
| SN EN 50281-2-1 : 1998 | Identical |
| UNE-EN 50281-2-1:1999 | Identical |
| NF EN 50281-2-1 : 2000 | Identical |
| PN EN 50281-2-1 : DEC 2002 | Identical |
| CEI EN 50281-2-1 : 1999 | Identical |
| 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 |
| 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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