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- Two 0-30V/0-3A, One 0-5V/0-3A independently controlled channels
- Combine channels in series to double output voltage or in parallel to double output current
- 0.06% basic voltage accuracy, 0.2% basic current accuracy
- < 5 mVp-p noise
- Display shows voltage and current for all 3 channels simultaneously
- Store frequently used configurations in any of 30 setup memory locations
- Each channel has an output timer
- Control the supply from a PC with an optional USB adapter
- Three-year warranty
Get three isolated, independent, and adjustable outputs in one instrument The Keithley 2231A-30-3 Triple-Channel DC Power Supply can output a total of 195 Watts of power, providing the power levels needed to energize a wide range of circuits and devices for benchtop work. Two of its channels can supply up to 30 V at 3 A each; the third channel can provide up to 5 V at 3 A. The Model 2231A-30-1 does not compromise on performance or convenience features, offering the versatility and ease of use you need, so it can be the only DC power supply on your bench.
Quality DC Power
The 2231A-30-3 is a linear-based design with less than 5mVp-p noise per output. Voltage and current settings have basic accuracies of 0.06% and 0.2% respectively. The load voltage and load current readback results provide the same levels of accuracy, so you can be confident you are sourcing accurate, low noise voltages and currents to your device-under-test (DUT).
Three Fully Independent Outputs
Each output of the Keithley 2231A-30-3 is fully programmable and can be turned on and off independently from the other channels; it essentially provides three power supplies in one instrument. You can power up both the analog circuitry and the digital circuitry of a printed circuit board or a complete device, all with the same instrument.
Wire the two 30V channels in series or parallel to double the output voltage to 60V or the supplied current to 6A
When the application requires outputting more than 30V or 3A, the two 30V channels can be combined to double the output level. Wire the two outputs in series to deliver up to 60V or wire them in parallel to deliver up to 6A. Also, the supply controls both outputs to deliver the required voltage or current. This display shows the supply's parallel mode, including the output voltage and the total current from the channels wired in parallel. The supply manages the channels for you, so combining channels is uncomplicated.
All Outputs Are Isolated from Each Other and from Ground
Each output can power a circuit on a different ground reference. The low connection on each output is not connected to any of the other outputs. That means one supply can test three separate circuits on three different ground references or can power circuits that are transformer or optically isolated from each other. Furthermore, all outputs are not referenced to ground, so the Model 2231A-30-3 can power both floating circuits and grounded circuits.
Power Bipolar Circuits
Because the outputs on Keithley's 2231A-30-3 are isolated, one output can be turned effectively into a negative source by connecting its high terminal to the common reference point of a bipolar circuit. A second output can connect its low terminal to the same common reference point. The result is a positive output and a negative output.
Control the Supply and Upload Data to a PC
Use the optional Model 2231A-001 USB Adapter to control the Model 2231A-30-1 via a PC's USB interface, then transfer readings from the outputs to combine with other test data for a more thorough analysis of DUT performance. The 2231A-001 USB Adapter provides the flexibility to use the supply under either manual or automated control.
Applications for the 2231A-30-3 include engineering and science student labs, service work and electronic design.
Includes: Documentation CD with user's manual, certificate of calibration, and power cord.
Inc. VAT (20%)