Ultrasonics. Pulse-echo scanners. Simple methods for periodic testing to verify stability of an imaging system’s elementary performance
€329.00
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
€390.00
Electroacoustics. Simulators of human head and ear Acoustic coupler for the calibration supra-aural earphones used in audiometry
€201.00
BS EN 60118-13. Electroacoustics. Hearing aids. Part 13. Electromagnetic compatibility (EMC)
€24.00
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
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"
€172.00
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
Electroacoustics. Octave-band and fractional-octave-band filters Periodic tests
€281.00
Underwater acoustics. Hydrophones. Properties of hydrophones in the frequency range 1 Hz to 500 kHz
Electroacoustics. Measurement microphones Methods for pressure calibration of working standard by comparison
Practice for Determining A Single-Number Rating of Airborne Sound Isolation for Use in Multiunit Building Specifications (Withdrawn 1999)
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Électroacoustique - Systèmes de boucles d'induction audiofréquences pour améliorer l'audition - Partie 2 : méthodes de calcul et de mesure des émissions de champ magnétique basse fréquence à partir de la boucle pour l'évaluation de la conformité aux instructions sur les limites d'exposition humaine
€91.00
