PS-400A type fuel injector tester is a special instrument for the operation test of diesel engine.It is suitable for following performance tests. 1.initiatve injecting press of injector 2.sound of needle valve vibration 3.spraying shape 4.sealing function of needle valve and nozzle body mating pair 5.sealing function in response to press Main tech parameter Max. pressure 300kg/cm3 Volume of fuel box 400cc Dimensions 190x110x390 mm Weight: 5.5kg