... adjust and calibrate injector nozzle open pressure, leakage, spray pattern. Nozzle Tester, Mechnical Hand PumpS60H Nozzle tester (testers for test nozzle and holder assemblies and ... , R, S and T with the appro-priate nozzle holders: A Opening pressureB Jet ShapeC Tightness of fittingD Assembly tightnessE Chatter behavior1 ...