1).Analog generator 1. Assembled from the imported electronic component of excellent qualities. 2. The advanced and reliable circuit protection way greatly enhances the complete reliability. 3. With the figure showed, fm and frequency can be compensated automatically . 4. With frequency departure, two tables indicating working current and protection feature 5. Interface connector is collocated according to the request's requests. 6. Simple structure, easy maintenance, reasonable price and excellent quality. 2).Digital smart generator Digital smart ultrasonic power adopts new monolithic integrated circuits to control, measure, compare and implement the parameter. It's frequency self-tracking, power adjustment and impedance adjustment can be precontroled, thus to realize many functions, including automatic scanning, tracking, automatic fault detection and protection and convenient and reliable operation.