The quality supervision of Xraytesting of the welds in nuclear power plant fuel rods was introduced including its necessity, basis, contents and implementation.
The welding quality of sheathed thermocouples was investigated by Xraytesting. The design of penetrometer, the testing method, and the testing results were introduced.
The USL unit forms part of an automated line for inspection of assembled printed circuit boards, which includes automated optical, thermal and Xraytesting as well as ultrasonic C scan examination.