Keithley 2440 SourceMeter® Unit

Up to 5A / 40V Performance at 50 Watts

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Keithley’s Standard Series 2400 Source Measure Unit (SMU) Instruments offer four-quadrant precision voltage and current source/load coupled with measurement. Each SMU instrument is both a highly stable DC power source and a true instrument-grade 6½-digit multimeter. The power source characteristics include low noise, precision, and readback. The multimeter capabilities include high repeatability and low noise.

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Keithley 2440 SourceMeter® Unit Product Description

The 2440 is a 50 watt Sourcemeter from Keithley. SourceMeters collect information with high accuracy, ideal for current-voltage (I-V) characterization, semiconductor testing, and testing devices with both positive and negative current source values.


  • Up to 5A / 40V perfomance at 50 Watts
  • 0.012% basic measure accuracy with 6½-digit resolution
  • 10pA / 100nV measurement resolution
  • Use with KickStart Software

Keithley 2440 SourceMeter® Unit Specifications

Model Max Current Source Max Voltage Source Measurement Resolution Power
2440 5A 40V 10pA / 100nV 50 W

Keithley 2440 SourceMeter® Unit Resources

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