Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure tone and narrow-band test signals (ISO/FDIS 8253-2:2009); German version FprEN ISO 8253-2:2009
€105.42
Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO/CD 8253-3:2008)
€150.65
Audiometers - Part 1: Pure tone audiometers (IEC 29/423/CD:1998)
€98.32
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent treshold sound pressure levels for pure tones and supra-aural earphones (ISO 389-1:1998); German version prEN ISO 389-1:1999
€63.27
Acoustics - Reference zero for the calibration of audiometric equipment - Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequence range 8 kHz to 16 kHz (ISO/TR 389-5:1998); German version EN ISO 389-5:1999.
€56.17
Acoustics - Guidelines for noise control in offices and workrooms by means of acoustical screens (ISO/CD 17624:2000)
Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones (ISO/CD 389-8:2000)
€69.91
Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO 8253-3:1996); German version EN ISO 8253-3:1998.
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:1996); German version EN ISO 389-7:1998
Acoustics - Normal equal-loudness level contours (ISO/DIS 226:2001)
€84.58
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO/FDIS 389-7:2019); German and English version FprEN ISO 389-7:2019
Calculation of the auditory sensation roughness.
€140.00
Electroacoustics - Audiometric equipment - Part 6: Instruments for the measurement of otoacoustic emissions (IEC 29/635/CDV:2007); German version prEN 60645-6:2007
Electroacoustics - Audiometric equipment - Part 7: Instruments for the measurement of auditory evoked potentials (IEC 29/636/CDV:2007); German version prEN 60645-7:2007
Acoustics - Acoustic test methods - Part 1: Basic pure-tone air and bone conduction threshold audiometry (ISO/CD 8253-1:2007)
€122.34
