NBN EN 61779-4 : 2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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ELEKTRISCH MATERIEEL VOOR DE DETECTIE EN METING VAN BRANDBARE GASSEN - DEEL 4 : GEBRUIKSEIGENSCHAPPEN VAN MATERIEEL VAN GROEP II MET EEN MEETBEREIK TOT 100 % VAN DE ONDERSTE ONTSTEKINGSGRENS
29-08-2008
12-01-2013
Gives the requirements for group II, portable, transportable and fixed apparatus for detecting and measuring combustible gas or vapour concentrations with air. The apparatus, or parts of apparatus, may be used or installed in potentially explosive atmospheres, except mines that are susceptible to firedamp. Applicable to apparatus meant for detecting and measuring combustible gas or vapour concentrations with air up to 100% lower explosive limit (LEL).
| DevelopmentNote |
Supersedes NBN EN 50057 (11/2003)
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| DocumentType |
Standard
|
| PublisherName |
Belgian Standards
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| Status |
Superseded
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| SupersededBy |
| Standards | Relationship |
| BS EN 61779-4:2000 | Identical |
| SN EN 61779-4 : 2000 | Identical |
| I.S. EN 61779-4:2000 | Identical |
| UNE-EN 61779-4:2002 | Identical |
| NF EN 61779-4 : 2005 | Identical |
| DIN EN 61779-4 : 2001 | Identical |
| EN 61779-4:2000 | Identical |
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