PW-4033 was a precise type DC power supply PW-4033 have 3 output, 2 continus adjustiable 30V/3A and 1 fixed 5V/3A output.
PW-4033 use 4 digits meter for each adjustable output voltage and current display. The resolution of PW-4033 are 10mV/1mA, about 10 times higher than PW-3033. All 4 control switchs for both valtage and current of PW-4033 are 10 turns VR. It provide a very convenience adjustment on both Valtage and current.