KEITHLEY 2304A HIGH SPEED PRECISION POWER SUPPLY, 20V, 5A, 100W
Model: 2304A. Output Current: 5A max (not intended to be operated in parallel). 5A range: ±(0.2% + 1mA). Remote Sense: Automatic, 2V max drop in each lead. 5A range: 100µA. Output Accuracy: ±(0.05% + 10mV).