The absolute calibration of hydrophones using the planar scanning technique in the frequency range 0,5 MHz to 15 MHz (IEC 61101:1991); German version EN 61101:1993— 15 стр.
Ultrasonic power measurement in liquids in the frequency range 0,5 MHz to 25 MHz (IEC 61161:1992 + A1:1998); German version EN 61161:1994 + A1:1998— 18 стр.
Requirements for the declaration of the acoustic output of medical diagnostic ultrasonic equipment (IEC 61157:1992); German version EN 61157:1994— 18 стр.
Ultrasonic power measurement in liquids in the frequency range 0,5 MHz to 25 MHz (IEC 61161:1992 + A1:1998); German version EN 61161:1994 + A1:1998— 18 стр.
Ultrasonics - Physiotherapy systems - Performance requirements and methods of measurement in the frequency range 0,5 MHz to 5 MHz (IEC 61689:1996); German version EN 61689:1996— 29 стр.
Ultrasonics - Hand-held probe doppler foetal heartbeat detectors - Performance requirements and methods of measurement and reporting (IEC 61266:1994); German version EN 61266:1995— 18 стр.
