DME-D751ABS A DC Source is a high performance switching mode power supply can operate at a wide range of mains worldwide. There is no need for an input voltage selection switch. The LED at front panel continuously displays the output voltage and its current & operation status. Users can set the output voltage and current level, protection trig level (OVP, UVP, OCP) and preview these settings from the front panel. The back panel includes necessary connectors so the voltage & current output control and monitor can be done by analog signal or RS232/GPIB.