Additional Features: Voltage: 5000V Current: 0.005A Power: 25W Source voltages up to 5kV, negative or positive polarity Up to 5mA compliance current Low output ripple for precision sourcing Two selectable filters IEEE-488 programmable Programmable voltage and current limits Compact, half-rack design The Keithley 248 High Voltage Power Supply offers reversible polarity, excellent regulation, low output voltage ripple, and flexible operation. Two front panel digital displays provide accurate readings of voltage and current output. A separate display simplifies setting output values precisely. The Model 248 can be set using the front panel controls, over the standard IEEE-488 interface, or via a remote analog voltage.