Ultrasonic cleaners are immersion cleaners that utilize high-frequency and high-intensity ultrasound waves to remove contamination from surfaces in an “ultrasonically activated liquid”.

 

The machine employs the phenomenon of cavitation (bubble formation) for cleaning. It consists of a metal tank with transducers attached to the bottom and or sidewalls. The bubbles generated are small enough to penetrate even microscopic crevices, cleaning them thoroughly and consistently.

 

This technology requires only water to operate efficiently however designated cleaning fluids may be introduced to enhance the effect.

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Ultrasonic technology is widely used in Scientific Research, Cell Disruption, Extraction and Pharmaceutical Sonochemistry. It’s also used to clean surgical instruments, murine implants and a raft of other applications.

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Two important characteristics related to cavitation that make ultrasonic cleaning a powerful choice:

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 1. Conventional ultrasonic cleaners operate within the 40 kHz range. 
 

 2. The passage of acoustic waves through the cleaning fluid causes acoustic streaming, thereby reducing the thickness of the hydrodynamic boundary layer on any immersed surface. Consequently, the greater exposure of tiny particles on the surface to the streaming fluid can overcome the adhesion force between the surface and the particle. This phenomenon is employed in high frequency (1MHz) megasonic cleaners