Hole Inspection Using Eddy Current (ECT) Non Destructive Testing (NDT)

Dynamic Hole Inspection

Differential probes are used attached to high-speed rotary scanners with test speeds as high as 3000 rev/min then the inner bore of holes may be inspected rapidly and reliably with the eddy current technique. Probes may be as small as 1 mm diameter and test frequencies used follow the same rules as for surface defect detection. The use of high- and low-pass filters (so called band- pass filters) is essential to ensure optimum signal to noise. Target calibration notch is usually a 0.5 mm corner notch at 45º. 


 

ETher NDE offers the Mercury Eddy Current Rotary Drive. We are also able to offer a full range of Rotary Probes. If we can help you with a hole inspection application, please get in touch at sales@ethernde.com.

 

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