Tian, G.Y. and Sophian, Ali (2004) Study of magnetic sensors for pulsed eddy current techniques. In: 16th WCNDT 2004 - World Conference on NDT, Aug 30th - Sep 3rd, 2004, Montreal, Canada.

In this study we compare the suitability of a Hall device and a GMR sensor as the sensing device in pulsed eddy current systems. The comparative study is carried out by using both experimental results and manufacturers' data.
The factors to be analysed are sensitivity, noise level, and operational bandwidth. Conclusions are given following the analysis of the data.

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