The main board circuit board of the ultrasonic cleaner is easy to operate. It can work when the positive and negative electrodes of the transducer are connected and the machine is started. The working voltage is AC220 ± 10V or AC110 ± 10V. When starting the main board circuit board of the ultrasonic cleaner, please correctly install the ultrasonic transducer to ensure that the water tank has enough water to avoid damage to the main board circuit board of the ultrasonic cleaner caused by dry burning of the water tank.

110V 120W Ultrasonic Piezo Transducer Driver Circuit For Lab Instrument Ultrasonic Cleaner