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Metal Detectors
Minelab
Minelab GPX4000 tips, settings, questions
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<blockquote data-quote="mbasko" data-source="post: 481940" data-attributes="member: 4485"><p>I've found 0.2 gram & possibly smaller (been a few years) with an older SD series detector with booster so don't imagine the 4000 would have trouble with that size in a lot of circumstances.</p><p>Like aussiefarmer says there are a lot of variables that will affect sensitivity to small gold like ground, settings, coil used etc. & most importantly the operator/s.</p><p>I see you have a Coiltek 6" coil which will get small bits but can get overwhelmed by very mineralised ground. In NSW you should be ok using sensitive smooth though.</p><p>You can use small lead shot bits or get some subgram gold to test with. IMO the best testing is getting out on the ground & if you're picking up bird shot etc. then there's no reason you won't get small gold if you swing over it.</p><p>Edit: also see you have an Equinox 800. If the grounds not too bad that might be a better option? Leave a bigger coil on the 4000 for bigger/deeper bits. :Y:</p></blockquote><p></p>
[QUOTE="mbasko, post: 481940, member: 4485"] I've found 0.2 gram & possibly smaller (been a few years) with an older SD series detector with booster so don't imagine the 4000 would have trouble with that size in a lot of circumstances. Like aussiefarmer says there are a lot of variables that will affect sensitivity to small gold like ground, settings, coil used etc. & most importantly the operator/s. I see you have a Coiltek 6" coil which will get small bits but can get overwhelmed by very mineralised ground. In NSW you should be ok using sensitive smooth though. You can use small lead shot bits or get some subgram gold to test with. IMO the best testing is getting out on the ground & if you're picking up bird shot etc. then there's no reason you won't get small gold if you swing over it. Edit: also see you have an Equinox 800. If the grounds not too bad that might be a better option? Leave a bigger coil on the 4000 for bigger/deeper bits. :Y: [/QUOTE]
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Metal Detectors
Minelab
Minelab GPX4000 tips, settings, questions
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