Posted Thu, 29 Sep 2022 23:05:37 GMT by User, Forum

My 2450 seems to be restricting voltages to 40 V. For example, I put a 50 V input into the device and received a readout of 40V. Anything below 40V below worked fine. What might the issue be?

Posted Thu, 29 Sep 2022 23:10:38 GMT by Expert, Tektronix Applications

This would likely be due to the interlock not being engaged. Please refer to the 2450 manual: https://www.tek.com/en/source-measure-units/keithley-smu-2400-series-sourcemeter-manual/models-2450ec-2460ec-and-2461ec-potentiostats-and-galvanostats-users-manual

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