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VLF machines and Mono Coils

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Gold Detecting and Prospecting Forum :: General :: All about Coils :: Coils - Minelab, Coiltek, General

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VLF machines and Mono Coils Empty VLF machines and Mono Coils

Post  kiloz Mon Oct 24, 2011 7:10 pm

Does anyone know if you can put a mono coil on a VLF machine, or is there a VLF on the market that comes with a mono coil?

kiloz
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VLF machines and Mono Coils Empty Re: VLF machines and Mono Coils

Post  kon61 Mon Oct 24, 2011 8:23 pm



G'day Kiloz.

The answer to your question is NO. VLFs come out with either a concentric design meaning 2 transmit windings (one within the other) and one receive winding.This configuration offers the best possible sensitivity and pinpointing characteristics(specifically used for coin/relic hunting) than a mono coil of similar size, but suffers drastically (noise and depth wise) over mineralized soils (hot ground) or salty environments. The other coil is that in the form of a DD winding specifically made to handle hot ground,or should I say run smoother and quieter over mineralized ground,but at the cost of some sensitivity and depth.

Cheers kon61.
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