NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

DIN EN 61391-1 [Withdrawn] references following documents:

Document number Edition Title
IEC 61685 2001-07 Ultrasonics - Flow measurement systems - Flow test object More 
IEC 60050-801 1994-07 International Electrotechnical Vocabulary - Chapter 801: Acoustics and electroacoustics More 
IEC/TR 60854 1986 Methods of measuring the performance of ultrasonic pulse-echo diagnostic equipment More