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Metal Detectors
Minelab
Minelab SDC2300 information and questions
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<blockquote data-quote="PhaseTech" data-source="post: 134862" data-attributes="member: 3149"><p>Thanks Nuggetino.</p><p></p><p>It's not just the shape, but more so the texture/density. A targets "detectability" all comes down to how fast the induced electromagnetic field dissipates, or it's decay time. Size, density, impurities, texture, shape, orientation all play a role here. </p><p></p><p>The reason the SDC get's these bits is all due to MPF. Faster switching between Transit and Receive helps to "catch" the targets that decay very quickly. Unlike conventional PI's equipped with a simple Pulse width control, where decreasing the pulse width time improves Sensitivity but also increases ground noise, Minelab's method actually reduces ground noise, which is why the SDC kicks butt on these small and hard to find nuggies in mineralised ground 8)</p></blockquote><p></p>
[QUOTE="PhaseTech, post: 134862, member: 3149"] Thanks Nuggetino. It's not just the shape, but more so the texture/density. A targets "detectability" all comes down to how fast the induced electromagnetic field dissipates, or it's decay time. Size, density, impurities, texture, shape, orientation all play a role here. The reason the SDC get's these bits is all due to MPF. Faster switching between Transit and Receive helps to "catch" the targets that decay very quickly. Unlike conventional PI's equipped with a simple Pulse width control, where decreasing the pulse width time improves Sensitivity but also increases ground noise, Minelab's method actually reduces ground noise, which is why the SDC kicks butt on these small and hard to find nuggies in mineralised ground 8) [/QUOTE]
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Metal Detectors
Minelab
Minelab SDC2300 information and questions
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