Em 19/8/2010 14:04, Bob Blick escreveu:
> On Thu, 19 Aug 2010 13:34:47 -0300, "Isaac Marino Bavaresco" said:
>
>> For the THS series, the maximum voltage difference between the grounds
>> of the probes must not be greater than 30V.
> 600 VRMS is what it says in my manual and on the scope itself. What you
> are referring to is the safety rating on the standard probes that come
> with the scope.
>
> The standard probes themselves are rated for 30 V from ground because of
> the sleeve, insulation, etc. Although they do have extra plastic molding
> so they present no bare metal, to increase user safety at high voltages
> you need a probe with better insulation. But the scope itself has
> isolation to 600 VRMS. I have one of their safety probes and it has much
> nicer insulation on the ground lead and ground clip.
>
> Cheerful regards,
>
> Bob

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?


Best regards,

Isaac

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