1-Channel System SourceMeter, 0.1fA, 200V, 1.5A DC / 10A Pulse. The Keithley 2635B is a SourceMeter SMU instrument, part of the Series 2600B SourceMeter SMU Instruments family, is a new and improved one-channel SMU instrument with a tightly integrated four-quadrant design that allows it to simultaneously source and measure both voltage and current to boost productivity in applications ranging from R&D to automated production test. The wide range of 1.5 A DC, 10 A pulse, 200 V output and 0.1 fA measurement resolution makes it ideal to test a wide range of lower current devices and materials. Source/Measure capabilities: Single-channel model with 30 W power Output 4-quadrant source/measure with 61/2-digit resolution Current max./min: 1.5 A DC, 10 A Pulse / 0.1 fA Voltage max./min: 200 V / 100 nV General features: Compatibility with the keithley IVy mobile app Built-in web browser based software for I-V characterization TSP (Test Script Processing) Technology embeds complete test programs inside the instruments TSP-Link expansion technology for multi-channel parallel test Software emulation for Keithley´s model 2400 SourceMeter SMU instrument Large, easy-to-read, dual line display USB 2.0 connectivity