NF EN 61779-2 : 2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF FLAMMABLE GASES - PART 2: PERFORMANCE REQUIREMENTS FOR GROUP 1 APPARATUS INDICATING A VOLUME FRACTION UP TO 5% METHANE IN AIR
26-10-2012
12-01-2013
Gives the requirements for group 1 portable, transportable and fixed apparatus for detecting and measuring the methane concentrations in mine air. This apparatus, or parts of apparatus are meant for use in mines susceptible to firedamp. Applicable to apparatus meant for detecting and measuring the volume ratios of methane in air from a volume fraction of 0% up to 5%.
| DevelopmentNote |
Indice de classement: C23-560-2. Supersedes NF EN 50055. (04/2005)
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| DocumentType |
Standard
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| PublisherName |
Association Francaise de Normalisation
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| Status |
Superseded
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| SupersededBy |
| Standards | Relationship |
| UNE-EN 61779-2:2002 | Identical |
| BS EN 61779-2:2000 | Identical |
| IEC 61779-2:1998 | Identical |
| I.S. EN 61779-2:2003 | Identical |
| DIN EN 61779-2 : 2001 | Identical |
| NBN EN 61779-2 : 2001 | Identical |
| EN 61779-2:2000 | Identical |
| SN EN 61779-2 : 2000 | Identical |
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