Acoustics. Reference zero for the calibration of audiometric equipment equivalent threshold sound pressure levels pure tones and supra-aural earphones
€193.00
Underwater acoustics - Hydrophones - Properties of hydrophones in the frequency range 1 Hz to 500 kHz (IEC 60500:2017); German version EN 60500:2017
€111.40
Electroacoustics - Sound calibrators - Electroacoustique - Calibreurs acoustiques
€70.67
Electroacoustics - Hearing aids - Part 4 : induction-loop systems for hearing aid purposes - System performance requirements - Electroacoustique - Appareils de correction auditive - Partie 4 : Systèmes de boucles d'induction utilisées à des fins de correction auditive - Exigences de performances système
€77.67
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1 : methods of measuring and specifying the performance of system components
€59.33
Electroacoustics - Specifications for personal sound exposure meters (IEC 61252:1993 + AMD1:2000 + AMD2:2017); German version EN 61252:1995 + A1:2001 + A2:2017
€105.42
Electroacoustics - Octave-band and fractional-octave-band filters - Part 2: Pattern-evaluation tests (IEC 61260-2:2016 + AMD1:2017); German version EN 61260-2:2016 + A1:2017
€98.32
Electroacoustics - Sound level meters - Part 2: Pattern evaluation tests (IEC 61672-2:2013 + AMD1:2017); German version EN 61672-2:2013 + A1:2017
€116.64
Ultrasonics - Field characterization - Test methods for the determination of thermal and mechanical indices related to medical diagnostic ultrasonic fields
€126.00
Electroacoustics. Simulators of human head and ear Head torso simulator for the measurement air-conduction hearing aids
€316.00
Ultrasonics. Output test. Guidance for the maintenance of ultrasound physiotherapy systems
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
€93.67
Electroacoustics - Sound calibrators
€369.00
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1: Methods of measuring and specifying the performance of system components
€506.00
Amendment 2 - Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1: Methods of measuring and specifying the performance of system components
€22.00
