| 摘要 |
The present invention discloses 10 discloses an eddy current probe assembly having unique types and arrangements of coils 14, 16, 18 therein. This type and arrangement of coils allows for a more accurate determination of tube 20 anomalies. A first pair of coils 14 are provided which comprise a pair of coils 14A, 14B oriented 45 degrees apart wherein each pair of coils comprises an additional pair of coils 14G, 14H which are oriented 9 0 degrees apart. A second pair of coils 16 are provided which are about 0.060 inches apart. A third pair of coils 18 are provided having a larger coil 18A and a smaller coil 18B. An extensio n wand 22 with cable connectors 26 are provided for connection to suitable probe actuation and control means.
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