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I can't undertand. Now i want help.

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  • I can't undertand. Now i want help.

    Hi. Last days i experiment with a P.I detector.It is with two coils and is about 50% same with sevzirfo P.I. When i put the detector near a metal the instrument is going left. When i put it on an old 2box M.D from would plake and with coil outside the box the meter is going right. If i put near coper it going left the same if i put near a board with electronics. What hapening?
    2.I have a bobin (500gr) whith soldering tin (it likes as a multi layer coil).When i put it vertical to the coil of the MD it work ok.When i put it horizontal to the coil then the MD does not detect it except when i put it inside the coil. ANY IDEA?
    GEO
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