CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 58837 | prEN ISO 14163 rev | Acoustics - Guidelines for noise control by silencers | Izstrādē |
| 32602 | EN ISO 389-1:2018 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones (ISO 389-1:2017) | Izstrādē |
| 73477 | FprEN ISO 3744 | Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO/FDIS 3744:2024) | Izstrādē |
| 9782 | EN ISO 389-6:2007 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 6: Reference threshold of hearing for test signals of short duration (ISO 389-6:2007) | Izstrādē |
| 9817 | EN 27574-4:1988 | 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 (ISO 7574-4:1985) | Izstrādē |
| 39635 | EN ISO 1680:2013 | Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machines (ISO 1680:2013) | Izstrādē |
| 41275 | EN ISO 4869-1:2018 | Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation (ISO 4869-1:2018) | Izstrādē |
| 31640 | EN ISO 8253-2:2009 | Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure-tone and narrow-band test signals (ISO 8253-2:2009) | Izstrādē |
| 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 |
| 80884 | prEN ISO 12001 rev | Acoustics — Noise emitted by machinery and equipment — Rules for the drafting and presentation of a noise test code | Izstrādē |
Displaying 41-50 of 426 results.