Metal Detectors and Detecting in Thailand
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Fisher Gold Bug 2 vs. Minelab Eureka Gold

image of 3 detectorsThis is a comparison of 3 popular metal detectors with respect to finding natural gold. All three are VLF machines; Minelab Eureka Gold, Fisher Gold Bug 2 and Fisher Gold Bug Pro. The machines are first compared with various size nuggets in an air test and then later compared as to how they handle hot rocks. Hot rocks are often found in areas with natural gold and can pose a challenge to the prospector as the metal detector may react to hot rocks as if they were a good target. Each detector compared has various methods of neutralizing hot rocks to varying degrees.


Here is a table of results for the air test:

Sample Spec Minelab Eureka Gold Fisher Gold Bug 2 Fisher Gold Bug Pro
Gold 40 m.g. 3 cm 5 cm 2 cm
Gold 60 m.g. 4 cm 7 cm 2 cm
Gold 109 m.g. 7 cm 8 cm 4 cm
Gold 410 m.g. 10 cm 12 cm 8 cm
Gold 11.57 grams 20 cm 20 cm 16 cm
Coin 1 baht 22 cm 22 cm 16 cm
Coin 5 baht 20 cm 20 cm 20 cm
Coin 10 baht 22 cm 22 cm 20 cm

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