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 |
| 55414 | prEN 50XXX | Breaking Capacity Tests on 50 milliamp Fuses | Izstrādē |
| 55723 | prEN 50XXX | Proposal on creepage distances on internal surfaces of enclosures of group I apparatus | Izstrādē |
| 57342 | prEN 50XXX | prEN: Electrical apparatus for potentially explosive atmospheres: Cables entries | Izstrādē |
| 57273 | prEN 50XXX | Pressure transducers using capiliaries | Izstrādē |
| 42738 | prEN 50XXX | Amendment to EN 50014, 50016, 50018 and 50019 to allow cells and batteries to be incorporated into explosion-protected apparatus | Izstrādē |
Displaying 661-670 of 725 results.