Keithley 3706-BKPL - Analog Backplane Extender Board
The Keithley Instruments Model 3706-BKPL Analog Backplane Extender allows external analog signal connections directly to the Model 3706 backplane. For use with Series 3700, Series 3700A. This is useful as a DMM calibration input and for external instruments such as the Series 2600 System SourceMeter™, function generators, and counters, as well as to daisy-chain additional Model 3700s in series.