Number:GD3-S180 Type:Ultrasonic Parts Product name:Ultrasonic drive board :180W Type:Digital Control Voltage:110V The of circuit board and shock transducer (ceramic chip transducer) is explained. Circuit boards must not be energized without load. No cleaning fluid can be energized during cleaning. The two connection pieces of the shock head can be divided into positive and negative ones. Shake head welding cord must be welded in two silver layer of one side, the other side is the vibration surface, can be pasted in the wash basin (this is the purchase of ceramic transducer components instructions); silver on the ceramic can not withstand high temperature, soldering iron welding cord temperature can not exceed the brim, the best of constant temperature soldering iron, soldering iron temperature set Set it to 250 degrees. The larger side of the shaker head (with a screw hole) can be adhered to the bottom of the cleaning container for the shaking surface. If the screw is welded by argon arc welding and glue is added, tighten it to the bottom of the steel plate. There must be no space at the bottom. The positive and negative poles of the output are connected with the positive and negative poles of the seismon respectively, so they can not be mistaken. Colour: green Material: copper clad laminate Size: about 103x95x39mm Package Contents: 1 * Ultrasonic drive board Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.