Delta's DMEs programmable AC power source series is a high performance alternative current power source. These products implement advanced digital signal process technics to offer precision power parameters measurement, such as Vrms, Irms, Ip+, Ip-, frequency, crest factor, power factor, inrush current, VA and VAR, etc. They can be operated remotely by GPIB or RS232, and are suitable for implementing in testing for verification or mass production appliccations, including general commercial products, power electronics industrial, aviation electronics, military, and regulation tests.