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Early Pre-view. Goldquest Aquasearch

A

Anonymous

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Just too cold to go out and play with it, so I thought I would post a photo of it.
It
 
Looks like I gotta buy yet another detector...great work Bill and Eric! Very nice! <IMG SRC="/forums/images/smile.gif" BORDER=0 ALT=":)">
 
Some may wonder why the coil is hardwired in, rather than on a plug. To use a plug, it would have to be a shielded, or coaxial, type. Using a plastic bodied type as on the phones, gives false signals if the connector is touched, or the box dips in and out of the water. This is because of the small capacitance change that you get from such outside influences, due to the small unshielded conductor length going through the plug and socket. By taking the coax right into and beyond the copper shielded lining of the box, these problems do not occur.
Eric.
 
Hi Eric,
Dumb question probably, but what is the copper shielding all about? Thanks, Tom
 
Tom,
The inside of the case is lined with a copper shield, This is just to give a little protection to the electronics from outside interference. Just one more step in the manufacture of a custom detector, it
 
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