CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 9805 | LVS EN ISO 389-1:2001 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones | Atcelts |
| 32602 | LVS 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) | Standarts spēkā |
| 9772 | LVS EN ISO 389:1995 | Acoustics - Standard reference zero for the calibration of pure-tone air conduction audiometers (ISO 389:1991) | Atcelts |
| 9780 | LVS EN ISO 389-2:2001 | Acoustics - Reference zero for the calbration of audiometric equipment - Part 2: Reference equivalent treshold sound pressure levels for pure tones and insert earphones | Standarts spēkā |
| 9796 | LVS EN ISO 389-3:2001 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators | Atcelts |
| 36930 | LVS EN ISO 389-3:2016 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators (ISO 389-3:2016) | Standarts spēkā |
| 9797 | LVS EN ISO 389-4:2001 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow-band masking noise | Standarts spēkā |
| 9781 | LVS EN ISO 389-5:2001 | 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 | Atcelts |
| 24106 | LVS EN ISO 389-5:2007 | 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 | Standarts spēkā |
| 9782 | LVS 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 | Standarts spēkā |
Displaying 341-350 of 424 results.