Electroacoustics - Measurement microphones - Part 3 : primary method for free-field calibration of laboratory standard microphones by the reciprocity technique
€126.00
Electroacoustics - Octave-band and fractional-octave-band filters - Part 2 : pattern-evaluation tests
€98.42
Ultrasonics - Pulse-echo scanners - Part 1 : techniques for calibrating spatial measurement systems and measurement of system point-spread function response - Amendement 1 à l'IEC 61391-1 : Ultrasons - Scanners à impulsion et écho - Partie 1 : Techniques pour l'étalonnage des systèmes de mesure spatiaux et des mesures de la réponse de la fonction de dispersion ponctuelle du système
Medical electrical equipment - Part 2-62 : particular requirements for the basic safety and essential performance of high intensity therapeutic ultrasound (HITU) equipment
€184.00
Electroacoustics - Simulators of human head and ear - Part 3 : acoustic coupler for the calibration of supra-aural earphones used in audiometry - Electroacoustique
€82.53
Sound system equipment : headphones and earphones associated with personal music players - Maximum sound pressure level measurement methodology - Part 2 : matching of sets with headphones if either or both are offered separately, or are offered as one package equipment but with standardised connectors between the two allowing to combine components of different manufacturers or different design - Équipement de systèmes acoustiques : casques et écouteurs associés avec un baladeur
€60.85
Sound system equipment : headphones and earphones associated with personal music players - Maximum sound pressure level measurement methodology - Part 1 : general method for "one package equipment" - Equipement de systèmes acoustiques : casques et écouteurs associés avec un baladeur
€74.67
Electroacoustics - Hearing aids - Part 4 : induction loop systems for hearing aid purposes - System performance requirements - Electroacoustique
€129.98
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1 : methods of measuring and specifying the performance of system components - Electroacoustique
€95.67
Electroacoustics - Octave-band and fractional-octave-band filters - Part 1 : specifications
€119.48
Ultrasonics - Hydrophones - Part 1 : measurement and characterization of medical ultrasonic fields up to 40 MHz - Ultrasons
€91.00
Ultrasonics - Power measurement - Radiation force balances and performance requirements - Ultrasons
Ultrasonics - Hydrophones - Part 3 : properties of hydrophones for ultrasonic fields up to 40 MHz - Ultrasons
€59.33
Ultrasonics - Hydrophones - Part 2 : calibration for ultrasonic fields up to 40 MHz - Ultrasons
€111.67
Standard means for the reporting of the acoustic output of medical diagnostic ultrasonic equipment
