Electroacoustics. Hearing aids Induction-loop systems for hearing aid purposes. System performance requirements
€374.00
Electroacoustics. Hearing aids Requirements and methods of measurement for electromagnetic immunity to mobile digital wireless devices
€269.00
Medical electrical equipment Particular requirements for the basic safety and essential performance of hearing aids aid systems
Electroacoustics. Hearing aids Methods of measurement the performance characteristics bone conduction hearing
€316.00
Underwater acoustics. Hydrophones. Calibration of hydrophones Procedures for free-field calibration
€404.00
Ultrasonics. Non-focusing short pressure pulse sources including ballistic pressure pulse sources. Characteristics of fields
Acoustics. Noise from shooting ranges Determination of muzzle blast by measurement
€355.00
Electroacoustics. Measurement microphones Primary method for free-field calibration of laboratory standard by the reciprocity technique
Measurement of noise emitted by accelerating road vehicles. Engineering method M and N categories
Acoustics. Determination of airflow resistance Static method
€193.00
Acoustics. Measurement of airborne noise emitted by information technology and telecommunications equipment
Electroacoustics. Audio-frequency induction loop systems for assisted hearing Methods of measuring and specifying the performance system components
Electroacoustics. Measurement microphones Methods for pressure calibration of working standard by comparison
Household and similar electrical appliances. Test code for the determination of airborne acoustical noise Particular requirements electric thermal storage room heaters
Railway applications. Acoustics. Rail and wheel roughness measurement related to noise generation
€299.00