Electroacoustics. Hearing aids Requirements and methods of measurement for electromagnetic immunity to mobile digital wireless devices
€281.00
Medical electrical equipment Particular requirements for the basic safety and essential performance of hearing aids aid systems
€390.00
Electroacoustics. Hearing aids Methods of measurement the performance characteristics bone conduction hearing
€329.00
Underwater acoustics. Hydrophones. Calibration of hydrophones Procedures for free-field calibration
€421.00
Ultrasonics. Non-focusing short pressure pulse sources including ballistic pressure pulse sources. Characteristics of fields
Electroacoustics. Measurement microphones Primary method for free-field calibration of laboratory standard by the reciprocity technique
Electroacoustics. Audio-frequency induction loop systems for assisted hearing Methods of measuring and specifying the performance system components
Ultrasonics. Hydrophones Measurement and characterization of medical ultrasonic fields
Electroacoustics. Measurement microphones Primary method for pressure calibration of laboratory standard by the reciprocity technique
€351.00
Electroacoustics. Simulators of human head and ear Occluded-ear simulator for the measurement earphones coupled to by means inserts
Ultrasonics. Pulse-echo scanners Measurement of maximum depth penetration and local dynamic range
Electroacoustics. Hearing aids Electromagnetic compatibility (EMC)
Electroacoustics. Audiometric equipment Instruments for the measurement of otoacoustic emissions
€201.00
Electroacoustics. Audiometric equipment Instruments for the measurement of auditory brainstem responses
Electroacoustics. Octave-band and fractional-octave-band filters Specifications
€370.00