
Low cost source meter optimized for low voltage testing
However, it now provides these advanced source and measurement unit capabilities at 20V and 1A signal levels and at low cost. The Model 2401 operates and is programmed in exactly the same way as the other Series 2400 family member units within its 1A/20V range boundaries. It integrates a highly stable DC power source with a true instrument-grade 5-1/2 or 6-1/2-digit multimeter in a single enclosure.
In operation, the Model 2401 can act as a voltage source, a current source, a voltmeter, an ammeter, and an ohmmeter, and provides four-quadrant bipolar and automatic source/sink operation. Referring to Keithley SMU convention, operating in I vs. V quadrants 1 or 3, it operates as a source, delivering power to a load. In quadrants 2 or 4, it operates as a sink, dissipating power internally from an external source such as a PV cell or other energy source.
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