ECA is a major improvement over single-element ECT because:-
- Faster inspections
- Wider coverage
- Less operator dependent — eddy current array probes yield more consistent results compared to manual raster scans
- Better detection capabilities
- Easier analysis because of simpler scan patterns
- Improved positioning and sizing because of encoded data
- Eddy current array probes can easily be designed to be flexible or shaped to specifications, making hard-to-reach areas easier to inspect.