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Author Topic: USB oscilliscope any good  (Read 3452 times)
jbshocks
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« on: December 07, 2011, 02:30:14 PM »
Has anyone ever used one of these USB oscilloscopes?   Are they any good?

http://www.ebay.com/itm/2-Channel-PC-Computer-Digital-Storage-USB-Oscilloscope-/110707475296?pt=BI_Oscilloscopes&hash=item19c6ae0360#ht_4882wt_1159
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KirkLasVegas
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« Reply #1 on: December 07, 2011, 03:25:32 PM »
Complete waste of money!
I have a handheld 10 Mhz "Scope" by "Vellman" that was under $200. Works great for working on any kind of logic boards (slot/pinball/etc).
The reason this is a bad idea, the top frequency is 4 KILOHERTZ! It won't be able to sync to anything faster than that.

Kirk
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KirkLasVegas
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« Reply #2 on: December 07, 2011, 03:42:30 PM »
Here is the handheld "scope" It is a Velleman HPS-10

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jbshocks
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« Reply #3 on: December 07, 2011, 03:50:17 PM »
thanks,  I will look into something like that.
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KirkLasVegas
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« Reply #4 on: December 07, 2011, 04:02:20 PM »
Velleman's website and complete specs on this. It's quite a nice little piece of test gear.
The ONLY drawback....maximum of 100 volts on it's input. You could use a 10:1 probe to take you to a kilovolt (I would NOT do that).
I do have a regular Tektronics scope for the bench, but have used this one quite a bit.Since your running off of batteries you are "Floating" above ground, can really save your ass at times....

http://www.vellemanusa.com/products/view/?country=us&lang=enu&id=351263


Kirk
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