ps-400a type fuel injector tester is a special instruction for the operation test of diesle engine. it is suitable for following performance tests 1.initiative injecting press of injector 2.sound of needle valve vibartion 3.spraying shape 4.sealing function of needle valve and nozzle body mating pair 5.sealing funection in sreaponse to press. main technical data 1.highest pressure 300kg/ 2.volume of fuel box 400cc 3.dimentions 190*110*390mm3 4.weight 5.5kg