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The Minelab Eureka Gold
5.10
Coils
The Eureka Gold should only be used with coils that have been indicated
by Minelab Electronics as being suitable for use with this model.
The 10" (25 cm) coil supplied with the Eureka Gold is a Double 'D' coil, that
is, it contains two 'D' shaped windings which are partially overlapping. This
Double 'D' configuration is ideal for locating deep targets in variable
mineralised ground.
The Double 'D' detection pattern is "blade like" and is most sensitive from
its tip to its heal. This makes pinpointing targets easy, and allows more
ground to be searched with each sweep, as each sweep has to be
overlapped less.
Double "D"
Lines indicate
areas of maximum
sensitivity
Profile of sensitivity
along Double
"D"
coil
at various depths
P0587-A
Figure 16 - Coil Search Pattern
In addition to the 10" (25cm) Elliptical Coil supplied with the Eureka Gold,
there are two other accessory coils available, the 11" Round and 15" Spider
Coils. Both coils will increase the depth of the Eureka Gold on larger
nuggets.
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