Keithley’s Series 2600B [2634B] System SMU instruments are the industry standard current-voltage source and measure solution for highly automated production test applications. Both dual- and single-channel models tightly integrate a precision power supply, true current source, DMM, and electronic load with pulse generating capabilities. Plus, TSP® technology runs complete test programs for automated system applications, and TSP-Link® technology enables daisy-chaining up to 64 channels for high volume parallel test.