Minelab GO-FIND

[blitzkrieg]

Hi guys

Someone can tell me what is the operating principle of the Minelab series GO-FIND (OR, VFL, PI) ?
In my opinion they should be of the VLF principle detector, but why they have a single search coil?

Best Regards

Blitzkrieg

[Qiaozhi]

Hi guys

Someone can tell me what is the operating principle of the Minelab series GO-FIND (OR, VFL, PI) ?
In my opinion they should be of the VLF principle detector, but why they have a single search coil?

Best Regards

Blitzkrieg

It appears to be a VLF with a concentric [square] coil. The TX frequency is 7.7kHz, and it's powered by 4xAA batteries.
http://md-hunter.com/minelab-go-find-20-40-60-new-2015/

[Carl-NC]

I'm sure it's VLF, and likely the coil is a tight concentric which may not be induction balanced.

[blitzkrieg]

Thank you very much Carl !

Blitzkrieg

[blitzkrieg]

Thanks for your kind reply Qiaozhi, only a question, perhaps have you the schematic of some C-Scope Off Resonance detector
(vlf 800 - vlf 1000 [ two circuit ] - vlf 1250 ) ?

Blitzkrieg