Rapid digital single output bench dc power supplies hy1802d series rapid hy1802d p the rapid hy1802d is a digital single output bench dc power supply this is very stable regulated output dc power supply allowing continuous adjustment of both the output voltage and current levels p p the power supply has two lcd displays allowing the output voltages and currents to be displayed simultaneously br the voltage and current are variable from 0 to 18v and 0 to 2a for this model p p app