Description
A slow or noisy supply can hide the very behavior you want to measure. The Keithley 2303 precision power supply is a high-speed, single-output unit with 15 V, 5 A and 45 W figures. Lost in HCM lists it for rental and sale and arranges service on request.

Reading the 45 W power rating
Multiply 15 V by 5 A and you reach 75 W. The listing gives a power rating of 45 W, so full voltage and full current cannot occur together. So plan around the power figure first, then check voltage and current against it. If your load sits near the edge, ask Lost in HCM to confirm the operating envelope. Because this precision power supply targets steady, fast output, the load matters as much as the rating.
| Item | Value |
|---|---|
| Product type | High-speed precision power supply |
| Outputs | 1 |
| Maximum voltage | 15 V |
| Maximum current | 5 A |
| Power rating | 45 W |
| Connectivity | GPIB |
Where the Keithley 2303 precision power supply earns its keep
Research, device characterization and battery-powered product testing all lean on a clean, quick supply. Automated test benefits too, because GPIB lets a controller set and step the output. For example, a team can power a handheld prototype from one steady source while a script logs each state change. In the product photo, a simple two-line display and a short arrow pad handle local control.
Preparing the bench
Before you order, confirm the AC line option, the cable type, the fixture and the GPIB software on your PC. Then check polarity, grounding and protection settings. Also remember that the photo shows a related Keithley simulator, so read it as a series reference rather than a close-up of this model.
Rent or buy the Keithley 2303 precision power supply
A rental fits a short characterization study. A purchase fits a bench that needs the same steady supply every day. Start with a quote request to Lost in HCM and include your dates, site and accessories. You can also compare other power supplies, read the Tektronix site for Keithley details, or contact SMK Vietnam.
2303 questions
What is the maximum power of the 2303?
The listing gives 45 W.
Does the 2303 simulate a battery?
The listing calls it a high-speed precision power supply, not a simulator. For battery simulation, see the 2302.
Which interface does it have?
GPIB, according to the listing. Ask Lost in HCM if you need another port.
















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