Specification for a reference zero the calibration of pure-tone audiometers Data earphone coupler combinations maintained at certain standardizing laboratories
€269.00
Specification for a reference zero the calibration of pure-tone audiometers Data certain earphones used in commercial practice
Specification for a reference zero the calibration of pure-tone audiometers Data wide-band artificial ear complying with BS 4669
€165.00
Specification for a reference zero the calibration of pure-tone audiometers Normal threshold hearing pure tones by bone conduction
Specification for an artificial mastoid for the calibration of bone vibrators used in hearing aids and audiometers
Electroacoustics. Sound level meters Pattern evaluation tests
€316.00
Electroacoustics. Sound calibrators
Electroacoustics. Equipment for the measurement of real-ear acoustical characteristics of hearing aids
€193.00
Ultrasonics. Hydrophones. Characteristics and calibration in the frequency range from 15 MHz to 40 MHz
€374.00
Electroacoustics. Octave-band and fractional-octave-band filters
Electroacoustics. Hearing aids Induction loop systems for hearing aid purposes. Magnetic field strength
Digital addressable lighting interface General requirements. System
Ultrasonics. Power measurement. Radiation force balances and performance requirements
Electroacoustics. Sound level meters Periodic tests
Hearing aids with induction pick-up coil input
