Validated ultrasonic power measurements up to 20 W.

Abstract

A project has been completed to develop reference methods for the measurement of ultrasonic power with a validated measurement uncertainty of < 7% at power levels of 1 to 20 W over the frequency range 1 to 3 MHz of collimated beams. The project is the result of collaborative research between the Physikalisch-Technische Bundesanstalt, Germany (PTB, DE), the… (More)

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