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What to look for in a Used Oscilliscope?

Discussion in 'Beginner Electronics' started by Mastermech, Mar 17, 2005.

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  1. Mastermech

    Mastermech Guest

    Well I am diving right into this Electronics thing. I am looking for a
    decent power supply and a Scope. Also looking into classes locally.
    Electronics has interested me for quite a while but I have never had a
    chance to pursue until now.
    Anyway I was thinking of picking up a used Scope and was wondering if
    someone could give me some pointers on what to look for in a used Scope.
    Any particular Brand for a beginner like myself?
    Any common things to look for so I do not end up with a Lemon?

    Thanks Much
  2. loedown

    loedown Guest

    Firstly you want a scope that has 2 traces (more commonly known as dual
    trace), this may not be very useful now, but when you get further into
    things, you will realize how valuable they are. Secondly, you would want to
    check that it has a tightly focused beam, making sure the line (trace) can
    be made sharp when you use the focus control on the CRO (oscilloscope).
    These are basic things.

  3. Rich Grise

    Rich Grise Guest

    Yes. If you're just starting out, only buy a used scope if the guy you're
    buying it from is reputable and can assure you that it's 100% working and
    in calibration. New scopes can be had fairly reasonably, and you expect it
    to last a long time - what's 1/2 a month's rent for something that's
    going to last the next 10 or 20 or more years? Probably even less...
    There are some OK looking ones on ebay, but like I say, watch out
    for used stuff that they won't back up.

    Dn't buy a ten dollar piece of crap, unless you want your electronics
    training to consist of trying to make a piece of crap act like a scope. ;-)

    Good Luck!
  4. loedown

    loedown Guest

    I always love his responses, informative and amusing

    Keep up the good work Rich :)

  5. JeffM

    JeffM Guest

    I was thinking of picking up a used Scope
    Find one in your price range and post the specs here.
    # of channels
    Max sweep speed
  6. N. Thornton

    N. Thornton Guest

    why not get a junked PC and use that as the scope? Look for IIRC
    OSC251 written by a Petersburg student, it all works properly.

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