Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry
€44.00
Electroacoustics - Simulators of human head and ear - Part 2: An interim acoustic coupler for the calibration of audiometric earphones in the extended high-frequency range
Amendment to IEC 61252:1993: Personal sound exposure meters - Electromagnetic and electrostatic compatibility requirements and test procedures (IEC 29/406/CDV:1998)
€48.79
Amendment to IEC 60651:1979: Sound level meters - Electromagnetic and electrostatic compatibility requirements and test procedures (IEC 29/407/CDV:1998)
Amendment to IEC 60804:1985: Integrating-averaging sound level meters - Electromagnetic and electrostatic compatibility requirements and test procedures (IEC 29/408/CDV:1998)
Electroacoustics - Sound calibrators (IEC 60942:1997); German version EN 60942:1998
€98.32
Systèmes électroacoustiques pour services de secours
€111.67
Équipements pour systèmes électroacoustiques - Partie 16 : évaluation objective de l'intelligibilité de la parole au moyen de l'indice de transmission de la parole.
€101.00
Amendment 1 - Hearing aids - Part 1: Hearing aids with induction pick-up coil input
€11.00
Sound system equipment Objective rating of speech intelligibility by transmission index
€269.00
Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphones
Amendment 1 - Hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes
Ultrasonic power measurement in liquids in the frequency range 0,5 MHz to 25 MHz
€237.00
Hearing aids - Part 2: Hearing aids with automatic gain control circuits (IEC 60118-2:1983 + A1:1993 + A2:1997); German version EN 60118-2:1995 + A2:1997.
€69.91
Ultrasonics - Surgical systems - Measurement and declaration of the basic output characteristics
€286.00
