E4402b number of averages completed

[rcard53762]

Does anybody know how to read the number of averages completed on a agilent E4402B?

I know how to set averaging to on and off, and set the number of averages to be taken.

But I want to know if there is a way to read how many averages have been completed. 

Example you set the averages to 500.

You start taking averages.

Now I want to find out how many of the averages have been completed.

How do I do this in Labview?

[Paul-B]

Hello rcard53762,

What type of averaging are you trying to do? Based on your problem description this seems to be a setting on your Agilent device, you may find some more information regarding average settings on a product specification sheet. Please provide more detailed information on what you are trying to do with this application in LabVIEW.

Paul B.

[Dennis_Knutson]

If the instrument of commanded to perform x number of averages as opposed to you doing it in a LabVIEW loop, then the answer is to be found in the manual or by asking Agilent. Typically, you cannot do such a query since it will interupt the measurement.

[AlfK]

Sorry for bringing up this old topic again, but I'd like to know how you solved this problem, rcard53762, because I am dealing with it at the moment. I thought about calculating the time it takes to average by reading the total (final) number of average counts and the sweep time and multiply them, but this value is smaller than the time it really take to finish the averaging. Best, Alf

[nyc_(is_out_of_here)]

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@AlfK wrote:
Sorry for bringing up this old topic again, but I'd like to know how you solved this problem, rcard53762, because I am dealing with it at the moment. I thought about calculating the time it takes to average by reading the total (final) number of average counts and the sweep time and multiply them, but this value is smaller than the time it really take to finish the averaging. Best, Alf

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There is not going to be a query to tell you how many averages have been completed. If you don't want to hard code a wait time, then you are going to have to do some sort of measurement synchronization. http://www2.rohde-schwarz.com/file_7561/1EF62_0E.pdf has discussion about this. The application note is for spectrum analyzer but still applies.

[AlfK]

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@nyc_(is_out_of_here) wrote:

If you don't want to hard code a wait time, then you are going to have to do some sort of measurement synchronization. http://www2.rohde-schwarz.com/file_7561/1EF62_0E.pdf has discussion about this.

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Yes, I thought the same (measurement synchonization). Thanks a lot for the providing the link!