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Metal Detectors
Minelab
Minelab Equinox 800 tips and questions
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<blockquote data-quote="grubstake" data-source="post: 585525" data-attributes="member: 4012"><p>Simultaneous multi-frequency VLF detectors <u>with full discrimination</u> features, solved the saltwater beach detecting problem a couple of decades ago. Minelab's Sovereign, Explorer and Excalibur (underwater) series, as well as the CTX 3030, were all outstanding in this regard and the Equinox is the latest iteration of the technology.</p><p></p><p>As you've found, claims by various manufacturers for the saltwater capabilities of their single frequency VLF detectors are always false. It cannot be done while retaining normal sensitivity, no matter what they say, because the detector needs to null both mineralisation and saltwater conductivity at the same time.</p><p></p><p>As you've also found, PI detectors ignore the saltwater and also work well, but their discrimination capability is rudimentary at best.</p></blockquote><p></p>
[QUOTE="grubstake, post: 585525, member: 4012"] Simultaneous multi-frequency VLF detectors [u]with full discrimination[/u] features, solved the saltwater beach detecting problem a couple of decades ago. Minelab's Sovereign, Explorer and Excalibur (underwater) series, as well as the CTX 3030, were all outstanding in this regard and the Equinox is the latest iteration of the technology. As you've found, claims by various manufacturers for the saltwater capabilities of their single frequency VLF detectors are always false. It cannot be done while retaining normal sensitivity, no matter what they say, because the detector needs to null both mineralisation and saltwater conductivity at the same time. As you've also found, PI detectors ignore the saltwater and also work well, but their discrimination capability is rudimentary at best. [/QUOTE]
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Metal Detectors
Minelab
Minelab Equinox 800 tips and questions
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