I.S. EN 13821:2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
POTENTIALLY EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - DETERMINATION OF MINIMUM IGNITION ENERGY OF DUST/AIR MIXTURES
Hardcopy , PDF
29-10-2017
English
01-01-2002
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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
Covers a method of test to determine the minimum ignition energy of a dust/air mixture by an electrically-generated spark.
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| EN 13821:2002 | Identical |
| NBN EN 13821 : 2003 | Identical |
| BS EN 13821:2002 | Identical |
| NS EN 13821 : 1ED 2003 | Identical |
| UNI EN 13821 : 2004 | Identical |
| SN EN 13821 : 2003 | Identical |
| UNE-EN 13821:2003 | Identical |
| NEN EN 13821 : 2002 | Identical |
| NF EN 13821 : 2003 | Identical |
| DIN EN 13821:2003-03 | Identical |
| 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 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.