CLC/TC 31
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 43879 | prEN 50XXX | Inductive parameters in intrinsically-safe circuits | Izstrādē |
| 47771 | EN 50014:1977/prISA | Electrical apparatus for potentially explosive atmospheres - General requirements | Izstrādē |
| 68847 | prEN IEC 62990-3 | Workplace atmospheres - Part 3: Gas detectors - Electrical apparatus for the detection and measurement of oxygen - Performance requirements and test methods | Izstrādē |
| 47435 | prEN 61241-3 | Electrical apparatus for use in the presence of combustible dust - Part 3: Classification of areas where combustible dusts are or may be present | Izstrādē |
| 57273 | prEN 50XXX | Pressure transducers using capiliaries | Izstrādē |
| 82867 | prEN IEC 60079-42:2025/prAA | Explosive atmospheres - Part 42: Electrical safety devices for the control of potential ignition sources for Ex-Equipment | Izstrādē |
| 46528 | prEN 50020 | Intrinsic safety 'i' | Izstrādē |
| 53724 | EN 50019:1994/prAX | Electrical apparatus for potentially explosive atmospheres - Increased safety 'e' | Izstrādē |
| 45759 | prEN 45544-3 | Direct reading electrical apparatus used for the direct detection and concentration measurement of polluting gases and vapours - Part 3: Performance requirements for apparatus used for measuring concentration well above limit values | Izstrādē |
| 83374 | prEN IEC 60079-15 | Explosive atmospheres - Part 15: Equipment protection by type of protection "n" | Izstrādē |
Displaying 571-580 of 737 results.