... 2, heater 3, Timer for countdown 4, Degas,preset pulse Industrial Ultrasonic MachineFeatures:1, Full convenience in use and display for ... last settings when power on.7, Timer for countdown and continuous operation8, Degas: preset pulse sound level for removing unwanted air ... of line.CerificationMain Market Australia,America,Japan,TaiwanCompany Profile multistage industrial ultrasonic cleaning system