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ČSN - Czech national standards
Page 131
ČSN ISO 389-2:1996/1 (01/03/1997) Change
Akustika. Referenční nula pro kalibraci audiometrických přístrojů. Část 2: Referenční ekvivalentní prahové hladiny akustického tlaku pro čisté tóny a vložná sluchátka.
Available languages: Czech
Available design: Print design
from 1.30 USD more info
ČSN EN ISO 389-3 (01/12/2016)
Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators
Available languages: Czech
Available design: Print design
from 10.30 USD more info
ČSN ISO 389-4 (01/05/1996)
Acoustics. Reference zero for the calibration of audiometric equipment. Part 4: Reference levels for narrow-band masking noise
Available languages: Czech
Available design: Print design
from 5.60 USD more info
ČSN ISO 389-4:1996/1 (01/04/1999) Change
Akustika. Referenční nula pro kalibraci audiometrických přístrojů. Část 4: Referenční hladiny pro úzkopásmový maskovací šum.
Available languages: Czech
Available design: Print design
from 1.30 USD more info
ČSN EN ISO 389-5 (01/07/2007)
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
Available languages: Czech
Available design: Print design
from 8.60 USD more info
ČSN EN ISO 389-6 (01/01/2008)
Acoustics - Reference zero for the calibration of audiometric equipment - Part 6: Reference threshold of hearing test signals of short duration
Available languages: Czech
Available design: Print design
from 10.30 USD more info
ČSN EN ISO 389-7 (01/03/2022)
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
Available languages: Czech
Available design: Print design
from 10.30 USD more info
ČSN EN ISO 389-8 (01/01/2005)
Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones
Available languages: Czech
Available design: Print design
from 10.30 USD more info
ČSN EN ISO 389-9 (01/01/2010)
Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels
Available languages: Czech
Available design: Print design
from 10.30 USD more info
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