Ultrasonic Cleaning 101
Types of Ultrasonic Units
Ultrasonic cleaning units come in a variety of sizes, based on the intended use of the machine. Their tanks are typically made of stainless steel and are rectangular in design. Transducers are mounted, placed or welded to the tank, most often to the bottom, but units can be customized with side-mounted, hanging or bulkhead-mounted transducers.
Table Top Ultrasonic Cleaners
These units are small enough to sit on a table, shelf or workbench and be moved easily. They are simple in design, with single tanks ranging in size from half-gallon to 8 gallons and higher frequency levels (though 40 kHz is the most prevalent), making it safe for even very delicate items. They are intended primarily for lighter duty applications, including optical parts, small gears, machined parts, bearings, surgical instruments and carburetor components.
See: Omegasonics Quantum 7850TT Tabletop Ultrasonic Cleaner with a 3.75-gallon capacity.
Bench Top Ultrasonic Cleaners
These units have the small size and mobility of tabletop machines, but provide larger capacity options and more cleaning power. The typical frequency used is 40 kHz, but this style of unit also can be custom built at lower and higher frequencies. Bench top units can have tanks as large as 20 gallons, which make them more suitable for high volume. They can be used even in extreme environments, such as out at the site of a natural disaster or wildfire. Bench top tanks are designed for tough or unusual cleaning jobs, and are often used in the machining, automotive, marine and 3D printing industries.
See: Omega 1900BT Ultrasonic Cleanerfor the 3D Printing market.
Large-Capacity Industrial Ultrasonic Cleaners
The largest ultrasonic tanks can include tanks as big as 1,000 gallons or more. These units are meant for applications requiring lower frequencies (25-40 kHz), including larger or heavy duty equipment such as over-sized manufacturing parts, automotive and marine parts and large musical instruments. Units may have multiple built-in stages, including rinse and dry stations, and are sometimes automated.