Specification for an artificial mastoid for the calibration of bone vibrators used in hearing aids and audiometers
€269.00
The performance of octave band-pass filters
The normal threshold of hearing for pure tones by earphone listening
€165.00
Pure-tone audiometers
This product is not for sale, please contact us for more information
Sound level meters (industrial grade)
Marking of control settings on hearing aids
Hearing aids. Methods for measurement of electroacoustical characteristics of hearing aid equipment not entirely worn on the listener
Hearing aids Method for measurement of characteristics hearing with induction pick-up coil input
Methods of measurement electro-acoustical characteristics hearing aids Hearing with automatic gain control circuits
Electroacoustics - Hearing aids - Part 16 : Definition and verification of hearing aid features
€126.00
Ultrasonics - Hydrophones - Part 1 : Measurement and characterization of medical ultrasonic fields up to 40 MHz
€237.33
Electroacoustics - Hearing aids - Part 4 : induction-loop systems for hearing aid purposes - System performance requirements - Electroacoustique - Appareils de correction auditive - Partie 4 : Systèmes de boucles d'induction utilisées à des fins de correction auditive - Exigences de performances système
€77.67
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1 : methods of measuring and specifying the performance of system components
€59.33
Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure sound pressure levels in noise certification of aircraft - Electroacoustique - Instruments pour la mesure du bruit des aéronefs - Exigences relatives aux systèmes de mesure des niveaux de pression acoustique pour la certification acoustique des aéronefs
€99.97
Electroacoustics - Audiometric equipment - Part 1 : equipment for pure-tone and speech audiometry
€123.66
