Ultrasonic cleaner

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An ultrasonic cleaner is a cleaning device that uses ultrasound (usually from 20–400 kHz) and an appropriate cleaning solvent (sometimes ordinary tap water) to clean delicate items. The ultrasound can be used with only water but use of a solvent appropriate for the item to be cleaned and the soiling enhances the effect.

Ultrasonic cleaners are often used to clean jewelery; lenses and other optical parts; watches; dental and surgical instruments; fountain pens; industrial parts; and electronic equipment. They are used in many jewelery workshops, watchmakers' establishments, and laboratories.