Historical
DIN EN 12668-1:2000
Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 1: Instruments; English version of DIN EN 12668-1 (Foreign Standard)
The document specifies methods and acceptance criteria for assessing the electrical performance of analog and digital ultrasonic instruments for pulse operation using A-scan display, employed for manual ultrasonic non-destructive examination with single or twin transducer probes operating within the centre frequency range 0,5 MHz to 15 MHz. Ultrasonic instruments for continuous waves are not included in this standard.
Deutsches Institut für Normung [din]