Single Output DC Power Supply Programmable Output Volts 0 to 20 DC Output Current 0 to 27 Amps Current Limits 1 to 100 Ripple Volts Regulation 0.005 + 3mVp-p Line Volts Regulation 0.02 + 1mV Load Regulation 0.01 + 1mV Line Regulation 0.01 + 1mA Meter Type 2 Digital 120/220VAC Input Voltage Input Frequency 50/60 Hz Reverse Polarity Overload Protection Parallel or Series Connection Includes Line Cord RS232 and USB Interface Cable Application Software and Instructions