The Elmasonic MF Ultrasonic generators from have multifrequency technology which can be changed while the unit is in operation. Because of this the machine can be cleaned or rinsed with ultrasound of different products in one cleaning tank depending on the condition and quality of the cleaning items and the type of contamination present. The unit can achieve regulation of ultrasonic power for both frequencies. It has a standard operating mode, a Degas mode for accelerated degassing of the liquid, and a sweep mode for the modulation of selected operating frequency. The generator can be externally controlled - it is encased as a table-top unit.