The 6226B Power Supply is a dependable, one-third rack width power supply. Supplies 0 to 50 Volts at 0 to 1.5 amps with ten-turn voltage and current controls for better output control. In the constant voltage mode the load regulation is ?(0.01% + 2 mV), in constant current mode the regulation is ?(0.01% + 250 ?A). Easy-to-read meter.