Electroacoustics - Sound calibrators
€129.00
Audiometers - Part 2: Equipment for speech audiometry
€69.00
Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aeroplanes
€61.00
HEARING AIDS. PART 11: SYMBOLS AND OTHER MARKINGS ON HEARING AIDS AND RELATED EQUIPMENT.
€60.00
Hearing aids - Part 9: Methods of measurement of characteristics of hearing aids with bone vibrator output
€58.00
Hearing aids - Part 3: Hearing aid equipment not entirely worn on the listener
€40.00
