Keithley 2611A System SourceMeter high quality high performance

I Keigthley 2611A :

The 2611A Sourcemeter is a GPIB-controllable Source-Measure Unit (SMU) for general-purpose use. The instrument is lightweight, relatively easy to operate, and capable of measurements of 0 to 200 volts with currents in the range from 1pA to 1.5A. As configured by MTW, a practical current floor for the instrument is approximately 100pA.