CRIS-1 high pressure common rail injector test bench is based on the diesel engine ECU, also provides control signal of common rail system of Bosch, Denso, Delphi and Siemens etc. (the CP1 /CP2 /CP3/ HP3 /HP4 / DELPHI), drive the high pressure common rail injector to work. The user can set parameters according to their actual situation, and save the data according to the different group, so that the servicemen do the correct judgment and maintain of the working of common rail system.