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Old 04-24-2011, 08:47 AM
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ARM DSO pocket Oscilliscope

I am fighting a raging battle from within. I want to get a DSO and I am having a few issues as to splurging on it.
There are a ton of these little digital storage oscilliscopes for sale for under a hundred bucks.
They look awesome (they are made in china...pisses me off kinda) but given the financial situation I need to consider the less exspensive tool.
One issue I have with the ARM is the fact that the impedance in DC mode is advertised as >500k (greater than 500K). As you know it is recommended that any test equiptmaent now should be 10 megs .See my problem.
The MODIS by snap on is a great tool but snap on is pricey, and they are getting lacadasical in customer service soo.......
Anyone have any thoughts?
There are a few other styles of O scopes ,another is PC based but still has only 1 meg of impedance in DC mode.
I would like something to be able to at least verify signals on can bus systems to determine output from module to module etc.
I could but a launch X 431 which would be Ideal (also made in china... S**T)

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Old 04-24-2011, 10:26 PM
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Why not get a vantage pro or an old bosch? There are plenty of used units around. I don't know the impedance spec off hand of either unit.

Good Luck.

Last edited by ethn_bert; 04-24-2011 at 10:28 PM. Reason: i never bothered to lookup impedance on either unit
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Old 04-25-2011, 10:51 AM
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If I am not mistaken the vantage is a graphing meter, not as precise or versatile as a DSO. not to mention they are pretty pricey. I have seen some bosch and a few other brands but they still are kinda pricey .

I think I will keep looking around for a while, no sense rushing in an getting something just to get something...y know.
There are a few PC based jobs around that look Pretty decent, but I dont know how good the quality is as far as accuracy( I read the specs but know how that goes)
Ease makes one but its over 4 K . Not going there.
PICO makes a nice one too, but again over 4 K.
Thank you for the reply just the same.

Last edited by latech; 04-25-2011 at 10:57 AM.
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