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4 Wire resistance and 7000 switches

7001, 7002 and Switch Cards
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Avi Maman
Posts: 1
Joined: July 12th, 2015, 4:16 am
Country: Israel

4 Wire resistance and 7000 switches

Post by Avi Maman » July 12th, 2015, 4:26 am

Hello,
I have seen that using 7001 model along with 7011-C quad is recommended for 4 probe configuration.
Could someone elaborate on this configuration and the possibilities?
I have the 7001 main frame and the 7011-C card. The last should be connected to an external micro voltmeter.

Norbert W
Keithley Applications
Keithley Applications
Posts: 227
Joined: October 21st, 2010, 7:18 am
Country: Germany

Re: 4 Wire resistance and 7000 switches

Post by Norbert W » July 13th, 2015, 2:35 am

Hello,
I guess you want to multiplex one current source and one voltmeter to several 4-point collinear probes.
One 7011-C card is enough to do so as you can use parts of the cards separately ('banks');
e.g. use bank A to multiplex the current source and bank B to multiplex the voltmeter between your probes.

The 7011-C card offer even further flexibility, so e.g. for van der Pauw setups
current source HI, current source LO, voltmeter HI and voltmeter LO could be all switched on individual banks.

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