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old scope & contact cleaner

Discussion in 'Electronic Equipment' started by Walter Harley, Apr 12, 2006.

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  1. How safe is aerosol contact cleaner (e.g., Caig Labs D-5) for the switches
    on old test gear? Specifically I'm worried about whether if that stuff
    soaks into a circuit board or the wafer of a rotary switch, will it change
    the electrical properties?

    And, same question re control cleaner/lube for the pots. If some of it gets
    sprayed around and lands other than where I meant it to, will it cause

  2. Joerg

    Joerg Guest

    Hello Walter,

    I don't know that one. Most of my sprays are from "Kontaktchemie" in
    Germany. There they have contact cleaners that cleans aggressively but
    can be too aggressive at times. They also have sprays that are less
    aggressive and that's the ones I use for electronics. Usually these are
    (were?) marketed for "tuner repair". But it's been a long time, I use
    this stuff sparingly, also for environmental reasons.

    Pot cleaning with sprays? To be honest I have never seen a long term
    success there. Sure, the pot won't crackle at the end of the day. But a
    few weeks later it's usually the same old problem again.

    Regards, Joerg
  3. Joerg

    Joerg Guest

    Hello Andreas,
    That's the one I use.

    Regards, Joerg
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