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The input and output resistances in Remote sense (4-wire)

Hello everyone !

I have searched the information about  input and output resistances in 4-wire mode. Not of results.

Where I can read about this concerning PXI-4140, 4132 ?

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Message 1 of 8
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Have you installed NI DC Power in LabVIEW? The help documentation has more information to supplement the manuals and spec sheets we have listed online.

 

http://search.ni.com/nisearch/app/main/p/ap/tech/lang/en/pg/1/sn/ssnav:drv/fil/phwebntpmdm:123596/

Chase
NI Technical Support Engineer
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Message 2 of 8
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Yes, I have seen this documentation. It named the NI DC Power Supplies and SMUs Help, but I did not find the information about the value of input (output) resistance

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Message 3 of 8
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I do not see this specified anywhere so far.

 

Can you give more information about why you need that information so that we can determine if there are other resources available?

Chase
NI Technical Support Engineer
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Message 4 of 8
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For example, I needed to measure with help PXI-4140 the small change of the voltage , and it value will be depends from outer resistance

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Message 5 of 8
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I found this documentation on 4 wire measurements 

http://zone.ni.com/reference/en-XX/help/370384N-01/dmm/4-wire/

 

What is the resistance range we are operating in?

Chase
NI Technical Support Engineer
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Message 6 of 8
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I do not need measure the resistance . I want to measure the small voltage with help SMU.

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Message 7 of 8
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Can you expand upon what you mean by the outer resistance, and what you are measuring?

Chase
NI Technical Support Engineer
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Message 8 of 8
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