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Ultrasonic frequency – a key factor for achieving
the right component cleanliness ))

When it comes to ultrasonic cleaning, the rule of thumb is: the lower the frequency, the higher the energy released by the ultrasonic waves. If the frequency is too low, this can damage sensitive cleaning objects, yet too high a frequency leads to substandard cleaning results.

Lower frequencies (25 kHz to 40 kHz) are generally used for more coarse soiling, while higher frequencies (80 kHz to 120 kHz) are more effective for fine soiling and cleaning parts with very fine structures. In the high-frequency range, frequencies of around 60 kHz to 200 kHz are used. The ultrasonic frequency of 500 kHz (hypersonic) to 1 MHz (megasonic) is used for non-destructive cleaning of extremely fine structures and highly sensitive microstructures to ensure that these do not suffer any damage.

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25 to 40 kHz

For cleaning particles,
grease and oils from hard,
unpolished surfaces


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40 to 120 kHz

Up to 80 kHz: fine cleaning of polished surfaces;
120 kHz and higher: superfine cleaning


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250 kHz to 1 MHz

For superfine cleaning of high-gloss polished surfaces
(500 kHz and higher: non-destructive cleaning)




Innovative multifrequency
ultrasonic concept

- Innovative multifrequency ultrasonic concept

- The "ORIGINAL": – the SONOPUSH MONO HD rod transducer

- Deburring with ultrasound



Weber Ultrasonics AG
Im Hinteracker 7
76307 Karlsbad

T +49 7248 9207-0
F +49 7248 9207-11

Weber Ultrasonics worldwide

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