EN 50241-1 : 99 AMD 1 2004
Superseded
View Superseded by
SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
01-12-2013
04-01-2010
Foreword
1 Scope
2 Normative references
3 Definitions
4 General requirements
4.1 Introduction
4.2 Construction
5 Test requirements
5.1 Introduction
5.2 General requirements for tests
5.3 Normal conditions for test
5.4 Test methods
6 Field verification equipment
7 Information for use
7.1 Labelling and marking
7.2 Instruction manual
Annex A (informative) Atmospheric visibility
Annex B (informative) Bibliography
Defines general requirements for the construction and testing of apparatus for the detection and measurement of combustible or toxic gases or vapours in ambient air by measuring the spectral absorption by the gases or vapours over extended optical paths, ranging typically from one metre to a few kilometres.
| Committee |
SC 31-9
|
| DocumentType |
Standard
|
| PublisherName |
European Committee for Standards - Electrical
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| NBN EN 50241-1 : 2000 AMD 1 2005 | Identical |
| NEN EN 50241-1 : 1999 AMD 1 2004 | Identical |
| CEI EN 50241-1/A1:2005 | Identical |
| I.S. EN 50241-1:1999 | Identical |
| NF EN 50241-1 : 2005 AMD 1 2005 | Identical |
| VDE 0400-40-1 : 2000 AMD 1 2004 | Identical |
| DIN EN 50241-1 : 2000 AMD 1 2004 | Identical |
| BS EN 50241-1:1999 | Identical |
| PN EN 50241-1 : 2005 | Identical |
| UNE-EN 50241-1:1999 | Identical |