58
Departement of international trade:
Fig. 21
Fig. 22
Fig. 23
Fig. 24
The example in Fig. 25 shows a hodograph for two nearby objects. Di-
mensions of the Hodograph loops will depend on the ratio of the size of
these objects and the distance between them.
SEARCHING FOR METAL OBJECTS WITH LARGE EDDY
CURRENT LOOPS.
These types of objects include, for example, large copper/silver coins,
and other large planar objects of non-ferrous metals with a diameter
greater than 40 mm.
Due to the particular interaction between the search coil and these types
Fig. 25
