6237B Agilent DC Power Supply UsedAdditional Features: Rating: 0 18V at 1A, 0 to + 20V at . 5A Triple output to 38 Watts Short circuit proof Tracking + 20 volt outputs The Agilent 6237B is a compact CV CL supply that combines 0 to 20 V tracking outputs rated at 0. 5 A with a single output rated at 0 to +18 volts at 1 A. Controls, meters and binding posts on the Agilent 6237B power supplies are logically arranged on a neatly laid out front panel.