No DC Measurement on a waveform

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giustini
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Joined: Mon Jul 05, 2010 5:03 pm

No DC Measurement on a waveform

Post by giustini » Mon Feb 14, 2011 9:06 pm

Hi,
I got a power waveform by multipling u and i with Math channel
I can have a RMS measure but not a DC measure of the power.
Does the problem come from the double frequency of P ?
Waveforms in the attach file
Thinks
Attachments
Calcul P3.psdata
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ziko
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Location: St Neots

Re: No DC Measurement on a waveform

Post by ziko » Thu Feb 17, 2011 2:10 pm

Hi we are looking into this, in the meantime the workaround is to load the waveform when scope is running.

Kind regards
Ziko

Technical Specialist

giustini
Newbie
Posts: 0
Joined: Mon Jul 05, 2010 5:03 pm

Re: No DC Measurement on a waveform

Post by giustini » Thu Feb 17, 2011 2:37 pm

Thanks for the reply,
but i am preparing an homework for my students so they could'nt run the scope.
However it seems that the DC measurement work with the "between rulers" option : is the problem come from the period determination before computing mean value ?
Regards.

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