scope:

This Standard - specifies a method of determining the total radiated acoustic power of ultrasonic transducers based on the use of a radiation force balance; - establishes general principles for the use of radiation force balances in which an obstacle (target) intercepts the sound field to be measured. This Standard is applicable to: - the measurement of ultrasonic power based on the use of a radiation force balance in the frequency range from 0,5 MHz to 25 MHz; - the measurement of total ultrasonic power of transducers with well-collimated beams; - the use of radiation force balances of the gravimetric type.