Electroacoustics - Hearing aids - Part 0: Measurement of the performance characteristics of hearing aids
€89.00
Electroacoustics - Hearing aids - Part 4: Induction-loop systems for hearing aid purposes - System performance requirements
€104.00
Electroacoustics. Simulators of human head and ear Mechanical coupler for the measurement bone vibrators
€193.00
Ultrasonics. Field characterisation. Test objects for determining temperature elevation in diagnostic ultrasound fields
€316.00
Electroacoustics. Simulators of human head and ear Ear simulator for the measurement supra-aural circumaural earphones
€269.00
Electroacoustics. Octave-band and fractional-octave-band filters Periodic tests
Underwater acoustics. Hydrophones. Properties of hydrophones in the frequency range 1 Hz to 500 kHz
Ultrasonics. Pulse-echo scanners. Low-echo sphere phantoms and method for performance testing of gray-scale medical ultrasound scanners applicable to a broad range of transducer types
€374.00
Electroacoustics. Measurement microphones Methods for determining the free-field sensitivity of working standard by comparison
Electroacoustics. Audio-frequency induction loop systems for assisted hearing Methods of calculating and measuring the low-frequency magnetic field emissions from assessing conformity with guidelines on limits human exposure
Sound system equipment: Headphones and earphones associated with personal music players. Maximum sound pressure level measurement methodology General method for "one package equipment"
€165.00
Sound system equipment: Headphones and earphones associated with personal music players. Maximum sound pressure level measurement methodology Matching of sets headphones if either or both are offered separately, as one package equipment but standardised connectors between the two allowing to combine components different manufacturers design
Ultrasonics. Pulse-echo scanners. Simple methods for periodic testing to verify stability of an imaging system’s elementary performance
Electroacoustics. Hearing aids Measurement of the performance characteristics hearing
Medical electrical equipment Particular requirements for the basic safety and essential performance of ultrasonic medical diagnostic monitoring
