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Fisher gemini 3

Fisher Gemini 3

The Gemini 3 is in the Two-box detector class. It is designed to locate deep objects. Depending on ground mineralization and target size, objects may be detected as deep as 20 feet! The Fisher Gemini 3 goes deeper, traces farther and is easier to use than most other metal detector in its class. This Fisher detector operates on 16 standard AA batteries.


The Gemini 3 is only sensitive to large (pop can size or larger), deep objects or ore veins. It operates in four mode operation: Inductive Trace, Conductive Trace, Wide Scan Inductive Trace and Narrow Scan Inductive Trace. Optional Ground Plate Assembly for long distance underground tracing of pipes. It has a 60 cycle noise reduction circuitry and VCO audio target response for precision pinpointing


There is a level of skill involved, and it can be difficult to pin pointing objects with little experience. This detector should be used by people who understand how a two box detector works.