Re: Re: Question for O-scope people out there…

From: John Robertson <pinball_at_telus.net>
Date: Wed Sep 12 2012 - 11:41:03 EDT

Kevin Moore wrote:
> I second the Isolation probes..

It all depends on the source of the AC voltages that the person in
interested in reading.

If they are on the secondary side of a transformer then isolation is
normally not required. You just have to watch out for the common point
- if using two probes monitoring two different voltages (AC/DC) both
must share the same common otherwise current can flow...

Atlan did not mention reading the line side when he was asking about
reading AC voltages.

John :-#)#
>
>
> On Tue, Sep 11, 2012 at 7:34 PM, Altan (GAPAS) <pinball@aaarfamily.com
> <mailto:pinball@aaarfamily.com>> wrote:
>
>
> Is it safe to use an entry level o-scope (like the Rigol DS1102E
> or Owon xxxx) with AC voltage? I suspect the answer is an
> obvious "Yes", but wanted to verify. It doesn't seem to be
> specifically stated (again, probably because it's obvious).
>
> Being able to look at AC as well as DC would be helpful when
> trying to trigger on AC voltage drops and viewing results on
> regulated DC.
>
> The follow up: is one able to have an AC source on CH1 and a DC
> source on CH2?
>
> Thanks!
>
> … Altan
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Received on Wed Sep 12 11:41:32 2012

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