Keithley 263: Difference between revisions

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It is designed as a secondary standard for calibrating low-current, high-resistance instruments such as electrometers and picoamperemeters.
It is designed as a secondary standard for calibrating low-current, high-resistance instruments such as electrometers and picoamperemeters.
It is capable of sourcing current or charge either actively or passively. If the voltage burden is small or known, the Model 263 can be operated as a passive source with lower offset errors
It is capable of sourcing current or charge either actively or passively. If the voltage burden is small or known, the Model 263 can be operated as a passive source with lower offset errors.
The 263 includes nine precision resistors and displays their actuel calibrated value as each is selected.  
The 263 includes nine precision resistors and displays their actuel calibrated value as each is selected.  


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