CENELEC - EN 50057
Electrical Apparatus for the Detection and Measurement of Combustible Gases - Performance Requirements for Group II Apparatus Indicating up to 100 % Lower Explosive Limit
inactive, Most Current
| Organization: | CENELEC |
| Publication Date: | 1 July 1998 |
| Status: | inactive |
| Page Count: | 8 |
| ICS Code (Alarm and warning systems): | 13.320 |
Document History
EN 50057
July 1, 1998
Electrical Apparatus for the Detection and Measurement of Combustible Gases - Performance Requirements for Group II Apparatus Indicating up to 100 % Lower Explosive Limit
A description is not available for this item.
June 1, 1991
Electrical Apparatus for the Detection and Measurement of Combustible Gases Performance Requirements for Group II Apparatus Indicating up to 100 % Lower Explosive Limit
A description is not available for this item.