Difference between revisions of "GEM Leakage Current Measurement"
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(Created page with ' A Keithley picoammeter is used to measure the leakage current of a GEM foil Unfortunately, the Keithley can be damaged if I sees a potential difference of 240 Volts or more. …') |
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Revision as of 23:52, 31 December 2010
A Keithley picoammeter is used to measure the leakage current of a GEM foil
Unfortunately, the Keithley can be damaged if I sees a potential difference of 240 Volts or more.
The Circuit below is designed to protect the Keithley in case the GEM foil capacitor becomes a direct short during the measurement.
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