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Metal Detectors
General Metal Detector Discussion
Metal detector testing
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<blockquote data-quote="condor22" data-source="post: 288541" data-attributes="member: 1932"><p>The only thing an air test will tell you is that the detector has picked up the target (or not). I have a small test piece I use at about 0.7gr, when I get to an area I haven't detected before or if changing coils, I'll GB first, then maybe play with the settings to see what the different responses are to the test piece. Particularly when using a small coil (I have a 5000)</p><p></p><p>Sometimes the ground can be noisy and it won't respond, other times I feel like moving it aside because something bigger might be below, lol.</p><p></p><p>The bottom line is, re gold, every nugget is different and the ground can be so variable in chemistry, moisture content, density, hardness etc etc. All you can do is have the detector run as smooth as possible at the maximum power punch practicable, to give you the best chance of finding something.</p></blockquote><p></p>
[QUOTE="condor22, post: 288541, member: 1932"] The only thing an air test will tell you is that the detector has picked up the target (or not). I have a small test piece I use at about 0.7gr, when I get to an area I haven't detected before or if changing coils, I'll GB first, then maybe play with the settings to see what the different responses are to the test piece. Particularly when using a small coil (I have a 5000) Sometimes the ground can be noisy and it won't respond, other times I feel like moving it aside because something bigger might be below, lol. The bottom line is, re gold, every nugget is different and the ground can be so variable in chemistry, moisture content, density, hardness etc etc. All you can do is have the detector run as smooth as possible at the maximum power punch practicable, to give you the best chance of finding something. [/QUOTE]
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Metal Detectors
General Metal Detector Discussion
Metal detector testing
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