SOLD Heathkit IM-4120 250MHZ Freq Counter (TECH SPECIAL)

Discussion in 'Ham Radio Gear For Sale' started by N1VAU, Sep 21, 2017.

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  1. N1VAU

    N1VAU XML Subscriber QRZ Page

    Heathkit IM-4120 250 Mhz frequency counter
    Factory assembly manual
    Original receipt January 1978 for $349.95

    It doesn't work properly, it lights up but doesn't show frequency of RF signals, it count's randomly on some settings, others just zeros.

    No other diagnostic testing has been done.

    See pictures

    I figured some Heathkit collector might want this especially since it has the original receipt + manual.

    $50.00 well packaged and ready to ship. Buyer pays actual shipping
    Paypal preferred, contact me VIA QRZ private messaging for my paypal email address.


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    Attached Files:

  2. WN1MB

    WN1MB Ham Member QRZ Page

    Probe(s)?
     
  3. N1VAU

    N1VAU XML Subscriber QRZ Page

    This sale includes what is shown, the IM-4120 counter, manual, ac cord and original Benton Harbor store receipt.
     
  4. W7EAZ

    W7EAZ Ham Member QRZ Page

    Have you tried switching the "OSCILLATOR" on the back of the unit to "INT"? On EXT it has no reference with which to compare any frequency. Just an observation.
     
  5. N1VAU

    N1VAU XML Subscriber QRZ Page

    Sale pending.
     
  6. N1VAU

    N1VAU XML Subscriber QRZ Page

    sold
     
  7. QRZ
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