Features: 1μV–20V and 10pA–1A precision voltage and current sourcing and measurement capabilities Five instruments in one (IV Source, IVR Measure) Source and sink (4-quadrant) operation 0.012% basic measure accuracy with 5½-digit resolution 2-, 4-, and 6-wire remote V-source and measure sensing 1700 readings/second at 4½ digits via GPIB Standard SCPI GPIB, RS-232 and Keithley Trigger Link interfaces Keithley LabTracer 2.0 I-V curve tracing application software Typical Applications High brightness LED (DC and pulse) Photovoltaic cell efficiency (source and sink) Precision DC power supply/ current measure Discrete semiconductor devices Passive devices Laser diodes, laser diode modules, LEDs, photodetectors Connectors, switches, relays Low voltages/resistances LIV IDDQ I-V characterization The economical Model 2401 is the latest member of Keithley’s Series 2400 SourceMeter family, designed specifically for low voltage test applications that demand tightly coupled sourcing and measurement.