NA 022

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

DIN EN 61161 [CURRENT] references following documents:

Document number Edition Title
IEC/TR 60854 1986 Methods of measuring the performance of ultrasonic pulse-echo diagnostic equipment More 
IEC/TR 62781 2012-09 Ultrasonics - Conditioning of water for ultrasonic measurements More