... *Attractive price Features: * Six high speed operation modes: CC, CR, CV, CW, CC+CV, CR ... current, over voltage, over power, over heat, polarity reversed protection * High-luminance VFD screen with two lines& four channels display * Intellegent ... and multidata storage * Power-on-self-test, software calibration and standard rack mount * Communication mode: RS232/RS485/USB. Application: Production line ...