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HELP!!,COIL ANTI-INTERFERENCE

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  • HELP!!,COIL ANTI-INTERFERENCE

    hello friends.'ve got a problem with the local interference, and atmospheric, to detect with my Deepers-7 (pi) since 2003, when this happened!
    will soon hear that the enterprize solenoid (coitek) teem, models of reels (anti-interference, electric, and atmospheric, etc. .. immune .....
    I know my coils, mono, one was me who built it (50x50cm) works fine .... except as a source coil, those such days, I have such interference .... the coils do not have insulation, interior, winding wire .... I heard that there is a role for aluminum, which protects the coils from all external interference! one day I have isolated with aluminum foil, the whole coil and did not work ....! (aluminum foil, to wrap these foods)! and, even, get, calibrate the detector setting!
    after I took this role, the coil, and the same, since the floor was detected! "
    so that the exact type of aluminum foil is that (coitek) uses, to be immune to all interferences?? and how it applies the correct form?
    thank you.

    was this type of leaf, I applied ....
    http://img42.imageshack.us/img42/7145/asy6.jpg

  • #2
    IN THIS VIDEO, WHAT IS THE EXACT TYPE OF PAPER USED IN COIL (COILTEK)

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    • #3
      Leave a few mm of gap in the aluminium foil, do not wrap a complete circle along the coil windings. This would create a short circuited winding which will prevent your coil from working. Try to overlay the foil as little as possible.

      For very short delays, shielding is not a simple question, and less conductive materials are necessary.

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      • #4
        this shield, this coil is made of lead on paper? or paper with a painting, special? what kind of paint?

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        • #5
          It's spray on conductive graphite. A number of manufacturers make it.
          http://www.duecielectronic.it/index....10+-+N-77&k=10

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