Agilent E3631A Triple Output Benchtop D.C. Power Supply.
0-6 vdc 5 amps, +/- 0-25 vdc 1 amp w/tracking.

Unit powers on. Display slightly dim, Cooling fan quiet. Rotary encoder good. Checked each output with resistive load – O.K. Purchaser responsible for any calibration or maintenance if required.

Excellent choice for op-amp circuit design and testing.

Intuitive, easy to operate buttons and rotary encoder with overload/short circuit protection – perfect for educational/instructional or hobbyist use.