Keithley 2280S series Precision Measurement DC Power Supplies

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  • 0.02% voltage programming and readback accuracy with remote sensing
  • Clean output power, <1mVRMS noise
  • 0.05% current measurement accuracy and 10nA resolution
  • Can capture load changes that occur at intervals as short as 140μs
  • High resolution TFT display and soft-key/icon-based user interface
  • Built-in graphing capabilities
  • Programmable rise and fall times
  • Programmable output sequences
  • Sinks up to 0.45A
  • Built-in web page

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Keithley 2280S series Precision Measurement DC Power Supplies

The Series 2280S Precision Measurement, Low Noise, Programmable DC Power Supplies are much more than just sources of clean power; they are also precision measurement instruments. They can source stable, low noise voltages as well as monitor load currents over a wide dynamic range from amps to nanoamps. The Model 2280S-32-6 can output up to 32V at up to 6A; the Model 2280S-60-3 can output up to 60V at up to 3.2A. Both supplies use linear regulation to ensure low output noise and superior load current measurement sensitivity. A high resolution color Thin Film Transistor (TFT) screen displays a wide range of information on measurements. Soft-key buttons and a navigation wheel combine with the TFT display to provide an easy-to-navigate user interface that speeds instrument setup and operation. In addition, built-in plotting functions allow monitoring trends such as drift. These supplies provide the flexibility required for both benchtop and automated test system applications. For example, they provide a list mode, triggers, and other speed optimization functions to minimize test time in automated testing applications. DMM-Quality Low Current Measurements with High Resolution

Unlike conventional power supplies, Series 2280S supplies can also make measurements with up to 6½ digits of resolution. Voltage output measurements can be resolved down to 100µV. These supplies measure load currents from 100nA to amps and can resolve down to 10nA. Four load current measurement ranges (10A, 1A, 100mA, and 10mA) support measuring a device’s full load current, standby mode current, and small sleep mode currents with DMM-quality accuracy. The high resolution allows characterizing small changes in load currents with confidence. It also makes it possible to make a broad range of measurements on a single range with excellent accuracy across both low and high current values.