Historical
IEC 61161 Ed. 1.1 b:1998
Ultrasonic power measurement in liquids in the frequency range 0,5 MHz to 25 MH
Specifies a method of determining the total radiated acoustic power of ultrasonic transducters based on the use of a radiation force balance. Provides general principles for the use of radiation force balances in which an obstacle (target) intercepts the sound field to be measured.
International Electrotechnical Commission [iec]
