It can simulate diesel engine ECU (Engine Control Unit), provide driving control signals of 6 common-rail fuel injectors and a common rail high-pressure pump , driving common-rail system working. The driving signal parameters can be input by user, ease of maintenance personnel on the common-rail high-pressure pump and injector. It can work with a standard diesel pump test bench to finish the the majority of maintenance of high-pressure common-rail system .Its features are as follows:
(1) driving signal modulation in order to ensure the safety in the maintenance of common-rail system

(2) by setting the high-pressure pump drive signal duty cycle to adjust the load of high-pressure pump as well as the rail pressure

(3) driving signal pulse width and frequency of injector are adjustable ,thereby adjust fuel injection quantity
(4) The apparatus has a over-current protection function of solenoid valve drive signal

(5) real-time measurement of oil rail pressure

(1) testing the oil supply quantity of high pressure oil pump
(2) testing the oil supply pressure of high pressure oil pump
(3) testing the pressure of common rail
(4) testing the oil supply quantity of common rail injectors
(5) testing the oil pressure quantity of common rail injectors
(6) testing the uniformity of Common Rail Injectors
(7) testing the min oil supply quantity of common rail injectors
(8) testing the max oil supply quantity of common rail injectors
(9) can serve up to 4-6 injectors at the same time