Medical electrical equipment - Part 2-37: Particular requirements for the basic safety and essential performance of ultrasonic medical diagnostic and monitoring equipment
€26.00
IEC 62489-1:2010 Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1: Methods of measuring and specifying the performance of system components
€186.00
Hearing aids - Part 2: Hearing aids with automatic gain control circuits
€54.00
Hearing aids - Part 6: Characteristics of electrical input circuits for hearing aids
€40.00
BS EN IEC 60645-6 Amd.1 Amendment 1 - Electroacoustics Audiometric equipment Part 6: Instruments for the measurement of otoacoustic emissions
€24.00
Electroacoustics - Sound calibrators - Électroacoustique
€96.67
Sound system equipment - Part 7 : headphones and earphones - Equipements pour systèmes électroacoustiques - Partie 7 : Ecouteurs et oreillettes
€76.00
Medical electrical equipment - Part 2-66 : particular requirements for the basic safety and essential performance of hearing instruments and hearing instrument systems
€179.67
Sound system equipment - Part 16 : objective rating of speech intelligibility by speech transmission index - Equipements pour systèmes électroacoustiques - Partie 16 : Evaluation objective de l'intelligibilité de la parole au moyen de l'indice de transmission de la parole
€193.33
Underwater acoustics - Hydrophones - Calibration of hydrophones - Part 2 : procedures for low frequency pressure calibration
€162.33
Électroacoustique - Appareils audiométriques - Partie 1 : appareils pour l'audiométrie tonale
€134.67
