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Questions about the 34410A multimeter

Question asked by marinos on Jul 5, 2010
Latest reply on Jul 7, 2010 by Raclegg

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Firstly, going through the documentation and especially the Programmers Reference Help I couldn't find any clock reference, hence I assume there isn't a clock in the device which I can use for Synchronization with the PC.Correct?

Secondly, in order to acquire real-time measurements, I have to use the TRIG:COUN INF command. The trigger delay will be the delay between each reading (if sample count is 1), but how much time is required to take the measurement and store it to the buffer? Is it significant enough to even consider it?

Thank you in advance.

Marinos

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Raclegg Jul 7, 2010 10:48 AM
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You are correct that there is not a clock inside but the internal measurements can be timed through use of the processor clocks. There is a command to get more precise timing between measurements on the DMM. This command is "SAMPle:TIMer " A complete description of this command can be found in the programming guide. This command allows you to set the time between readings more precisely. Once you setup the measurement configuration you can use this command to ask the DMM how long you need to have for each reading, so there is no overlap. Once you know this time you can set the pacing to anytime greater than this to get readings at a controlled evenly spaced rate.

I hope this helps
Russ
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