On Thu, 19 Aug 2010 14:18:02 -0300, "Isaac Marino Bavaresco" said:

> Right, I missed the fact that my THS730A came with the standard probes,
> and the high-voltage probes were optional. Probably your 720 came with
> the high-voltage probes because it was intended for motor controller
> development. Is it the 'P' version?

No, mine is an original THS720 that I bought when they first came out. I
bought a safety probe separately. I only bought one to use on the high
side.=20

I've used my scope with one probe's ground at 0 V and the other probe's
ground attached to positive 200 VDC supply rail, and a computer attached
to the serial port, no problems.

I've also had it strapped to my thigh while riding an electric bicycle.
Battery powered scopes are awesome.

Here's a link to the GUI I wrote for getting screengrabs from the scope:

http://bobblick.com/techref/projects/ths720/ths720.zip

Cheerful regards,

Bob

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