The UDP3305S-E is a high-performance programmable linear DC power supply, featuring a clear LCD user interface and excellent performance indicators. The power supply features a variety of analysis and communications functions. Designed to meet the diversified test needs of users, it aims to provide a cost-effective power supply for teaching, scientific research, industrial and other fields. * 4 independent output channels * Output voltage: CH1/CH2 0-30V, CH3 0-6V, CH4 4.5V * Output current: CH1/CH2 0-5A, CH3 0-3A, CH4 2A * Total power: 328W * 4.3-inch LCD interactive interface * Over-voltage, over-current, over-temperature protection * Ultra low output ripple and noise * Excellent load regulation and line regulation * List/delayer function * One-key setting for series and parallel * Provide USB host, USB device, LAN, RS232, digital I/0 and other interfaces * 10 sets of data storage