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by savitale2000
December 12th, 2017, 10:09 am
Forum: Low Current Measurements
Topic: Current offset on 6221/2182A
Replies: 0
Views: 6776

Current offset on 6221/2182A

I am doing a 4-point differential conductivity measurement using a 6221 current source / 2182A voltmeter setup. The devices I am testing have a resistivity of about 1 gigaohm. They can only be operated up to about 1V. So the resulting currents are sub-nA. The problem I am having is that there appear...

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