circuit inspectionReading time:
Not very frequent but providing a wealth of information, circuits can undergo direct inspection in a number of different ways depending on the extent of the damage and on the causes of the corrosion.
The following methods can be applied :
- a visual inspection;
- a video-camera inspection;
- taking samples of deposits for chemical or microbiological analyses;
- cutting out samples for metallographic inspections;
- ultrasonic measurement of thickness.