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Keithley 485: Difference between revisions
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* [[Keithley 480|Keithley 480 Picoamperemeter]] | * [[Keithley 480|Keithley 480 Picoamperemeter]] | ||
* [[Keithley 197|Keithley 197 Microvolt DMM]] | * [[Keithley 197|Keithley 197 Microvolt DMM]] | ||
==Internals== | |||
The (optional) GPIB interface communicates with the base instrument over an opto-isolated serial port. It uses a separate 6805 CPU. | |||
==Pictures== | ==Pictures== | ||