... and multidata storage * Supporting external trigger input and output * Power-on-self-test, software calibration and standard rack mount * ... * Communication mode: RS232/RS485/USB. Application: Laboratory testing, power electronics production line testing and other automatic testing systems, etc ... 5KgDimension214mm (W)*108 mm(H)*365mm(D) Progarmmable DC power supply,alternative of Tektronix,CE approved