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  • useful, but challenging

    posted by penfield on 09/26/2010
    2

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:

    Price, size, portability, firmware upgrade capability. The probe supplied is better than what some others supply.

    Cons:

    Frequency limitation, zero documentation included

    OtherThoughts:

    As mentioned in the forum, the battery connector polarity was wrong.
    The USB cable was defective. It powered the device, but USB communication would not work. Another cable worked fixed the problem.
    Check the forum for help on obtaining documentation and firmware upgrades. The unit I received had "Paul's firmware 1.5.20b" installed which many regard as excellent.
    You will have to chase around the web for hints and helps, but it is a very useful gadget. It is my only oscilloscope and it is helping me diagnose some vehicle instrumentation problems that fortunately are well within its frequency capability.
    With a micro SD card, you can store waveforms although it can't create new files. You have to pre-load properly sized and named files on the card beforehand.

    Bottomline:

    It works! It's useful for my needs.

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