CEN/TC 211
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
29007 | EN ISO 3747:2010 | Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering/survey methods for use in situ in a reverberant environment (ISO/FDIS 3747:2010) | Standarts spēkā |
9805 | EN ISO 389-1:2000 | 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 389-1:1998) | Atcelts |
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 |
9772 | EN ISO 389:1995 | Acoustics - Standard reference zero for the calibration of pure-tone air conduction audiometers (ISO 389:1991) | Atcelts |
9780 | EN ISO 389-2:1996 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones (ISO 389-2:1994) | Izstrādē |
9796 | EN ISO 389-3:1998 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators (ISO 389-3:1994) | Atcelts |
68647 | EN ISO 389-3:2016/prA1 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators - Amendment 1 (ISO 389-3:2016/DAM 1:2020) | Izstrādē |
9797 | EN ISO 389-4:1998 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow-band masking noise (ISO 389-4:1994) | Izstrādē |
9781 | EN ISO 389-5:1999 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz (ISO/TR 389-5:1998) | Atcelts |
24106 | EN ISO 389-5:2006 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz (ISO 389-5:2006) | Izstrādē |
Displaying 141-150 of 424 results.