Ultrasonic is a sound generated beyond the audibility range for humans. In real life, a high pitch sound is created by a high frequency, and alternately, a low and base sound is created by low frequency.
Frequencies above 16 kHz, in general, are considered as ultrasonic. Typical ultrasonic frequencies used for cleaning purposes range between 20 kHz and 80 kHz.
It is very little, but if you have any doubts, we strongly recommend you first contact the manufacturer of the item you want to clean. However we would not recommend the following without getting approval from the manufacturer first: Some precious stones, e.g., emeralds. Plastics – some plastics are porous and the ultrasonic cleaning can cause some whitening.
This list is almost endless. Provided the product is non-porous and can normally be immersed in water, almost anything can be thoroughly cleaned. Here are some examples:
» Jewelry, especially gold, silver & platinum
» Watchstraps & Waterproof Watches
» Coins and other collectibles
» Glasses & Sunglasses
» PCB Boards, etc.
» Engine/Model parts
» Toothbrushes & Dentures
» CD & DVD’s (Household series VGT-1000)
» Optical and glass industry
» Electronic industry
» Chemical industry
» Galvanic industry
» Fine mechanical industry
» Power stations (Engine components)
» Metal industry
» Automobile industry
» Easy handling
» Shorter cleaning times
» Less chemistry
» Low cleaning temperatures
» Reproducible results