Superseded Draft standard
Historical

DIN EN 61161:2006-07

Ultrasonics - Power measurement - Radiation force balances and performance requirements up to 1 W in the frequency range 0,5 MHz to 25 MHz and up to 20 W in the frequency range 0,75 MHz to 5 MHz (IEC 87/325/CDV:2005); German version prEN 61161:2005