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Standard [CURRENT] 2018-02-14
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
from 63.70 EUR VAT included
from 59.53 EUR VAT excluded
Standard [CURRENT] 1997-06-01
Acoustics. Preferred frequencies
Standard [CURRENT] 2019-03-27
Acoustics - Determination of sound power levels of noise sources - Guidelines for the use of basic standards
from 113.70 EUR VAT included
from 106.26 EUR VAT excluded
Standard [CURRENT] 1996-11-01
Acoustics. Reference zero for the calibration of audiometric equipment. Part 2: reference equivalent threshold sound pressure levels for pure tones and insert earphones
from 79.60 EUR VAT included
from 74.39 EUR VAT excluded
Standard [CURRENT] 2016-04-09
Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: reference equivalent threshold vibratory force levels for pure tones and bone vibrators
Standard [CURRENT] 1999-08-01
Acoustics. Reference zero for the calibration of audiometric equipment. Part 4: reference levels for narrow-band masking noise
Standard [CURRENT] 2008-04-01
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
from 50.60 EUR VAT included
from 47.29 EUR VAT excluded
Acoustics - Reference zero for the calibration of audiometric equipment - Part 6: reference threshold of hearing for test signals of short duration
Standard [CURRENT] 2019-11-27
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: reference threshold of hearing under free-field and diffuse-field listening conditions
Standard [CURRENT] 2004-10-01
Acoustics - reference zero for the calibration of audiometric equipment - Part 8: reference equivalent threshold sound pressure levels for pure tones and circumaural earphones
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