I have created a sub VI to measure voltage and current by Keithley 2635. In my testing, I set the Keithley 2635 as a voltmeter with 1V source level. I connected it to a metal but got a negative current. Why this happens?
↧
I have created a sub VI to measure voltage and current by Keithley 2635. In my testing, I set the Keithley 2635 as a voltmeter with 1V source level. I connected it to a metal but got a negative current. Why this happens?