Instek PPH-1503D DC Power Supply: Dual output with flexible voltage/current combinations (15 V / 3 A, 9 V / 5 A, 12 V / 1.5 A), high precision and stability, multiple protection features, and remote control capability.
Keithley 2220G-30-1 DC Power Supply: Dual output, 2x 30 V / 1.5 A, 90 W, GPIB, USB, 2220 Series
Keithley 2230-30-1 DC Power Supply: Triple output, 2x 30 V/1.5 A, 6 V/5 A, 120 W, USB, 2230 Series