The BK Precision 9131C220V Programmable Triple-Output DC Power Supply, (2)30V/6A, (1)5V/3A, 375W, 220VAC Line Input features isolated outputs that can be adjusted independently or combined in series or parallel to output higher voltage or current. The front panel keys and rotary knob with convenient cursors let users quickly set voltage and current values, and up to 36 instrument settings can be stored and recalled. The standard USB (USBTMC-compliant) and RS232 interfaces supporting SCPI commands can be used to remotely control the power supplies via a PC. Users can control the power supply, execute test sequences or log measurements using the provided PC software application.