The WPS-L Series are wide-range programmable DC power supplies, including models from WPS100-8005L to WPS600-8030L, with uniform output voltage of 0~80V, current from 0~5A to 0~30A, and power from 100W to 600W, suitable for production line testing and laboratory R&D. Key highlights include flexible operation with dual-mode voltage/current adjustment via numeric keypad and knob; List programming output (up to 100 steps, 5 editable/callable files with configurable step time) for automated testing needs. High accuracy and resolution (1mV voltage, 0.1mA current), load regulation as low as ≤0.01%+3mV, and ripple as low as 5mVrms ensure stable output. Remote compensation eliminates line voltage drop for measurement accuracy; front/rear panel output support adapts to different wiring needs. Built-in OVP/OCP hardware protection and over-temperature protection ensure device safety. Standard RS-232/RS485/USB interfaces (LAN optional) are compatible with SCPI and Modbus protocols for remote control. Additional features include DVM voltmeter function (measuring 0.001V~80.000V DC voltage) and internal temperature monitoring, with optional external analog control for enhanced practicality.