MSC Posted April 27 Share Posted April 27 Much is said about EMI sometimes disrupting smooth operation of our Metal detectors, wondering if adding a ferrite ring core to each cable would help. I see the correct size (9mm) on Amazon for about $1 apiece. Link to comment Share on other sites More sharing options...
goldenoldie Posted April 29 Share Posted April 29 As I recall the QED was sold with a couple of those ferrite cores to attach to the coil cable next to where it connected into its control box. Maybe phrunt when he owned a QED had found if the ferrite core made any difference when attached to the coil cable? 1 Link to comment Share on other sites More sharing options...
phrunt Posted April 29 Share Posted April 29 Tried it on various detectors, did nothing. The QED added them on to prevent the detector EMI going outwards, not the EMI coming in, a shortcut to doing it properly. Detectors like the GPZ have them internally at the coil cable entry point. The GPZ From the QED manual. 1 Link to comment Share on other sites More sharing options...
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