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Dec 2, 2018 · The Gemini-3 is a "two-box" metal detector that is designed for finding large objects at depth. Two box detectors are not sensitive to items much smaller than a baseball, but can detect large items like a 55 gallon drum or water main to depths exceeding ten feet.
Jul 24, 2023 · Find helpful customer reviews and review ratings for Fisher Labs Gemini-3 Metal Detector, Red, (GEMINI3) at Amazon.com. Read honest and unbiased product reviews from our users.
Jul 20, 2010 · I have used the Fisher Gemini 3 and I don't know how much you expect, but here are my findings. I used it in an air test on a car wheel, 15 inch diameter and 8 inches wide. It was laying flat on
Fisher Gemini 3 Metal Detector Features: Detects all metals. Sensitive to large, deep objects or ore veins. Crystal controlled, 82 kHz transmitter and receiver. Four mode operation: Inductive Trace, Conductive Trace, Wide Scan Inductive Trace and Narrow Scan Inductive Trace.
Controls sensitivity to targets and ground minerals. RANGE: Toggle switch for normal and high sensitivity levels. Four mode operation: Inductive Trace, Conductive Trace, Wide Scan Inductive Trace...
Top Deepest Seeking Metal Detectors 2024. Makro Jeohunter. The Jeohunter from Makro comes with 2D and 3D graphical imaging and deep seeking abilities. It is preferred by renowned treasure hunters who wish to locate treasures buried at extreme depths.
Apr 24, 2024 · SENSITIVITY: Large knob potentiometer. Controls sensitivity to targets and ground minerals. RANGE: Toggle switch for normal and high sensitivity levels. Four mode operation: Inductive Trace, Conductive Trace, Wide Scan Inductive Trace and Narrow Scan Inductive Trace. VCO audio target response for precision pinpointing.
