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BS EN 13821:2002

BS EN 13821:2002

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Potentially explosive atmospheres. Explosion prevention and protection. Determination of minimum ignition energy of dust/air mixtures

Available format(s)

Hardcopy , PDF

Withdrawn date

04-12-2018

Language(s)

English

Published date

11-29-2002

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Test apparatus
  4.1 Spark generation circuit
  4.2 Test vessel
5 Test sample
6 Test procedure
  6.1 Test description
  6.2 Calibration
  6.3 Conformity
      6.3.1 Conformity tests
      6.3.2 Criteria for conformity
  6.4 Test report
Annex A (normative) Descriptions of spark generating systems
      A.1 General
      A.2 Triggering by high-voltage relay, using a
          two-electrode system
      A.3 Triggering by electrode movement, using a
          two-electrode system
      A.4 Triggering by auxiliary spark, using 3-electrode
          system
      A.5 Triggering by voltage increase, using two-electrode
          system
      A.6 Triggering by transformer, using two-electrode
          system
      A.7 Example of a test apparatus
Annex ZA (informative) Clauses of this European Standard
         addressing essential requirements or other provisions
         of EU Directives
Bibliography

Specifies a method of test to be determine the minimum ignition energy of a dust/air mixture by an electrically-generated spark.

This EN specifies a method of test to determine the minimum ignition energy of a dust/air mixture by an electrically generated spark. It is intended that the dust be tested in a form representing conditions of actual use so that assessment of the hazard present can be made. Ignition energies determined by this method would be compared with ignition by a pointed source. This EN is applicable to the determination of the minimum ignition energy of a combustible dust dispersed in air, referred to hereafter as a \'dust/air mixture\'.

Committee
EXL/23
DevelopmentNote
Supersedes 00/540187 DC (12/2002)
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Withdrawn
SupersededBy
Supersedes

Standards Relationship
NEN EN 13821 : 2002 Identical
NF EN 13821 : 2003 Identical
EN 13821:2002 Identical
UNI EN 13821 : 2004 Identical
NBN EN 13821 : 2003 Identical
I.S. EN 13821:2002 Identical
SN EN 13821 : 2003 Identical
UNE-EN 13821:2003 Identical
NS EN 13821 : 1ED 2003 Identical
DIN EN 13821:2003-03 Identical

12/30258581 DC : 0 BS 5908-2 - FIRE AND EXPLOSION PRECAUTIONS AT PREMISES HANDLING FLAMMABLE GASES, LIQUIDS AND DUSTS - PART 2: GUIDE TO APPLICABLE STANDARDS AND REGULATIONS
IEC TR 61340-1:2012 Electrostatics - Part 1: Electrostatic phenomena - Principles and measurements
BS 5908-2:2012 Fire and explosion precautions at premises handling flammable gases, liquids and dusts Guide to applicable standards and regulations
PD 6686:2006 Guidance on directives, regulations and standards related to prevention of fire and explosion in the process industries

1994/9/EC : 1994 DIRECTIVE 94/9/EC OF THE EUROPEAN PARLIAMENT AND THE COUNCIL OF 23 MARCH 1994 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES CONCERNING EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES

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Hardcopy - English
PDF - English
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