... remote voltage compensation and multidata storage * Power-on-self-test, software calibration and standard rack mount * Communication mode: RS232/RS485/USB ... and astronautics, ships, solar cells fule cell, etc.Specfication:Model EEL-6601Input RatingPower 150WCurrent 0-30AVoltage 0-150VCC ModeRange0-3A0-30AResolution0 ... *D(mm)214*108*365WeightKg3.5 Programmable DC Electronic Load (EEL-6601),150w