CLC/TC 31
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 58549 | EN 50402:2017 | Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of gas detection systems | Izstrādē |
| 42486 | EN 50402:2005/corrigendum Jan. 2009 | Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of fixed gas detection systems | Atcelts |
| 47223 | EN 50402:2005/A1:2008 | Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of fixed gas detection systems | Atcelts |
| 45771 | EN 50402:2005 | Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of fixed gas detection systems | Atcelts |
| 49879 | EN 50394-1:2004 | Electrical apparatus for potentially explosive atmospheres - Group I - Intrinsically safe systems - Part 1: Construction and testing | Atcelts |
| 48039 | EN 50381:2004/corrigendum Dec. 2005 | Transportable ventilated rooms with or without an internal source of release | Izstrādē |
| 43365 | EN 50381:2004 | Transportable ventilated rooms with or without an internal source of release | Izstrādē |
| 54296 | EN 50303:2000 | Group I, Category M1 equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dust | Izstrādē |
| 45105 | EN 50284:1999 | Special requirements for construction, test and marking of electrical apparatus of equipment group II, Category 1 G | Atcelts |
| 43720 | EN 50281-3:2002 | Equipment for use in the presence of combustible dust - Part 3: Classification of areas where combustible dusts are or may be present | Atcelts |
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