Audiological equipment - Part 5: Instruments for the measurement of aural acoustic impedance/admittance (Revision of IEC 61027:1991) (IEC 29/534/CDV:2003); German version prEN 60645-5:2003
€111.40
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO/CD 389-7:2003)
€77.20
Acoustics - Loudness scaling by means of categories (Categorial loudness scaling) (ISO/CD 16832:2003)
€84.58
Acoustics - Reference zero for the calibration of audiometric equipment - Part 6: Reference equivalent threshold sound pressure levels for acoustic test signals of short duration (ISO/CD 389-6:2004)
€56.17
Electroacoustics - Audiometric equipment - Part 3: Test signals of short duration (IEC 29/559A/CD:2004)
€69.91
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/CD 389-5:2004)
Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO/CD 389-9:2005)
Acoustics - Determination of occupational noise exposure - Engineering method (ISO/DIS 9612:2007); German version prEN ISO 9612:2007)
€128.22
Electroacoustics - Specifications for personal sound exposure meters (IEC 61252:1993); German version EN 61252:1995
Audiometers - Part 3: Auditory test signals of short duration for audiometric and neuro-otological purposes (IEC 60645-3:1994); German version EN 60645-3:1995.
€48.79
IEC 318 ear simulator adapters for the calibration of audiometric earphones in the extended high frequency range (IEC 29/299/CD:1995)
Acoustics - Standard reference zero for the calibration of pure-tone air conduction audiometers (ISO 389:1991); German version EN ISO 389:1995
Acoustics coupler for the calibration of supra-aural earphones used in audiometry (IEC 29/328/CDV:1996)
Ear simulator for the calibration of supra-aural earphones (IEC 29/329/CDV:1996)
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/CD 389-5:1996)
€34.30
