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Vintage Keithley Model 2004A Regulated Voltage Supply.
This is a vintage laboratory/test equipment power supply made by Keithley Instruments in Cleveland, Ohio, USA.
Model: 2004A
Brand: Keithley
Type: Regulated Voltage Supply
Output range: approximately 5V to 500V DC, with fixed and variable voltage selections.
The unit is pre-owned and shows noticeable cosmetic wear from age and previous use, including scratches, scuffs, discoloration, residue from old labels, and general surface wear. Please review all photos carefully for the exact cosmetic condition.
This unit has not been fully tested for proper operation and is being sold as UNTESTED / AS-IS. No guarantee is made regarding full functionality or calibration.
Only the item shown in the photos is included. No additional cables, probes, manuals, or accessories are included unless shown.
A nice vintage piece of Keithley laboratory equipment for collectors, restoration, repair, parts, or electronics projects.

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