CLC/TC 31
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 55642 | prEN 50241-1 | Specification for open path apparatus for the detection of combustible or toxic gases and vapours - Part 1: General requirements and test methods | Izstrādē |
| 49185 | prEN 50241-2 | Specification for open path apparatus for the detection of combustible or toxic gases and vapours - Part 2: Performance requirements for apparatus for the detection of combustible gases | Izstrādē |
| 67360 | prEN 50270:2025 | Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen | Izstrādē |
| 56730 | prEN 50402:2013 | 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 | Izstrādē |
| 80797 | prEN 50724 | Fixed Ultrasonic Gas Leak Detectors (UGLD) - General requirements and test methods | Izstrādē |
| 52102 | prEN 50XXX | Revision of DIN VDE 0118-1, DIN VDE 0118-2, DIN VDE 0118-3: Erection of electrical installations in mines - Part 1: General requirements, - Part 2: Supplementary specifications for power installations, - Part 3: Supplementary specifications for telecommunication installations | Izstrādē |
| 50534 | prEN 50XXX | British proposal on T4 temperature classification for small components after submission of French proposal on determination of allowed contents for connecting boxes of increased safety 'e' | Izstrādē |
| 51666 | prEN 50XXX | Preliminary Enquiry about Zone 0 and intrinsic safety | Izstrādē |
| 57342 | prEN 50XXX | prEN: Electrical apparatus for potentially explosive atmospheres: Cables entries | Izstrādē |
| 50998 | prEN 50XXX | Proposal for amendment to subclause 4.4.6 of prEN 50054, subclause 4.3 of prEN 50055 and subclause 4.3 of prEN 50057 | Izstrādē |
Displaying 671-680 of 738 results.