6 cylinders, seperate ultrasonic bath,whole set of accessory,solenoid-controlled test liquid recycle. Voltage; AC210V---230V 50HZoil tank capacity: 4LCapacity of cylinder : 120MLRPM:0-9975r/min Step: 25r/minPulse width: 0-30ms Step: 0.1msTime range:0-9995s Step:0.1msCount: 0-9975 Step: 25timesSystem pressure: 0-5kg/cm2The max vat count: 6 vatSolenoid-controlled test liquid recycle.Separated large ...