Keithley 2634B Dual Channel SourceMeter, 1 fA, 10 A Pulse:

• Dual-channel source measure unit (SMU) with 1 fA to 10 A current range and 10 nV to 100 V voltage range
• Pulse mode for fast transient measurements
• High-speed digitizer for capturing fast waveforms
• Built-in arbitrary waveform generator for creating custom waveforms
• GPIB, USB, and Ethernet interfaces for remote control