CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 81143 | prEN ISO 7235 rev | Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss, flow noise and total pressure loss | Izstrādē |
| 65264 | prEN ISO 7574-1 | Acoustics - Statistical methods for determining and verifying stated noise emission values of machinery and equipment - Part 1: General considerations and definitions | Izstrādē |
| 65265 | prEN ISO 7574-2 | Acoustics - Statistical methods for determining and verifying stated noise emission values of machinery and equipment - Part 2: Methods for stated values for individual machines | Izstrādē |
| 65266 | prEN ISO 7574-3 | Acoustics - Statistical methods for determining and verifying stated noise emission values of machinery and equipment - Part 3: Simple (transition) method for stated values for batches of machines | Izstrādē |
| 65267 | prEN ISO 7574-4 | Acoustics - Statistical methods for determining and verifying stated noise emission values of machinery and equipment - Part 4: Methods for stated values for batches of machines | Izstrādē |
| 71558 | prEN ISO 7574 rev | Acoustics - Statistical methods for determining and verifying stated noise emission values of machinery and equipment | Izstrādē |
| 80357 | prEN ISO 9613-2 | Acoustics - Attenuation of sound during propagation outdoors - Part 2: Engineering method for the prediction of sound pressure levels outdoors (ISO 9613-2:2024) | Izstrādē |
| 30356 | prEN ISO 9614-3 rev | Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 3: Precision method for measurement by scanning | Izstrādē |
Displaying 421-428 of 428 results.