This standard describes methods and acceptance criteria for verifying the performance of ultrasonic equipment (i.e. instrument and probe combined as defined in prEN 12668-1:1999 and prEN 12668-2:1998) by the use of appropriate standard calibration blocks.
DS/EN 12668-3:2000 history
2004DS/EN 12668-3/A1:2004 Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 3: Combined equipment
2000DS/EN 12668-3:2000 Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 3: Combined equipment