DS EN 12668-2:2010
DS EN 12668-2:2010 Non-Destructive Testing - Characterization And Verification Of Ultrasonic Examination Equipment - Part 2: Probes Specifies probes used for ultrasonic non-destructive examination in the following categories with centre frequencies in the range 0.5 MHz to 15 MHz, focusing and without focusing means: a) single or d