Updated November 28, 2019 by Sam Kraft

The 10 Best Ultrasonic Cleaners

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Best High-End
Best Mid-Range
Best Inexpensive

This wiki has been updated 22 times since it was first published in June of 2015. Sonic waves have all kinds of useful properties, including the ability to scrub items thoroughly without chemicals. Our selection of ultrasonic cleaners includes industrial and consumer models that are ideal for maintaining jewelry, dental equipment, tattoo needles, and even sensitive items, like CDs and DVDs. Just make sure to familiarize yourself with which things can and cannot be cleaned. When users buy our independently chosen editorial selections, we may earn commissions to help fund the Wiki. Skip to the best ultrasonic cleaner on Amazon.

10. Magnasonic MGUC500

9. Aucma Digital

8. Tacklife MUC02

7. Uten High

6. iSonic Professional

5. Homgrace Commercial

4. Co-Z Tek Motion

3. H&B Luxuries Industrial

2. Branson B200

1. InvisiClean IC-2755

Special Honors

SRA TruPower The TruPower line of ultrasonic cleaners contains everything from small, efficient models that require very little power to operate to industrial-sized options with huge tanks that can accommodate all kinds of dirty gear. Many of them have a memory function to save settings from batch to batch. sra-solder.com

JorVet J0382A This unit is designed for the veterinary industry, but that doesn’t mean it won’t prove advantageous for other applications as well. Its advanced scrubbing power allows it to penetrate tiny cracks, tight grooves and hard-to-reach areas that you’d never be able to access by hand. jorvet.com

Editor's Notes

November 25, 2019:

Due to a malfunction that can cause sparking and smoking, we noted that the Famili Polisher was a potential fire hazard, so we took it off the list. We removed a couple other models after discovering significant quality concerns as well.

People use the iSonic Professional for cleaning ammunition, hair clipper blades, diamonds, eyeglasses — you name the item, and this unit seems to do a solid job removing dirt and grime. We also noted that it doesn’t generate a ton of noise. We moved this one up in the rankings.

The Tacklife MUC02, on the other hand, isn’t as quiet as the iSonic model, but it’s a serviceable low-cost option for personal use at home. We pointed out that the H&B Luxuries Industrial is a favorite of firearm owners who require an efficient way to clean small, intricate parts.

How Ultrasonic Cleaners Work

An ultrasound generating transducer then creates ultrasonic waves by changing size in concert with an electrical signal, which is oscillating at an ultrasonic frequency.

Ultrasonic cleaners use ultrasound technology and either water or a specialized cleaning solution to clean and sanitize a variety of items ranging from jewelry to medical tools to electronic equipment. Most often they operate in frequencies ranging from 20 - 400 kHz. Depending on the efficiency of the transducer and the items being cleaned, cleaning can last anywhere from 3 to 30 minutes, with most cycles ranging from 3 to 6 minutes.

Once an item is inserted into the cleaning chamber and it is filled with a suitable liquid, generally a solvent, the device is powered on. An ultrasound generating transducer then creates ultrasonic waves by changing size in concert with an electrical signal, which is oscillating at an ultrasonic frequency. This causes thousands of minuscule compression waves in the liquid, which are essentially tearing the liquid apart and creating millions of microscopic vacuum bubbles in a process called cavitation.

Once formed, these bubbles are not stable and collapse in on themselves with enormous energy producing upwards of 20,000 lbs. of pressure per square inch and 5,000 kelvins of heat. These bubbles are small enough that they don't harm the item being cleaned, but have the power to remove surface dirt and other contaminants. The higher the frequency used to create these mini vacuums, the smaller the nodes between cavitation points and the further the cleaning power can reach into minute crevices.

Since ultrasonic cleaners are using the incredible power produced as a side effect of cavitation, they don't require the harsh cleaners often used in most industrial cleaning applications.

History Of Ultrasonic Cleaning

While the inception of ultrasonic cleaning goes back to the early 1930s, it wasn't pursued as a cleaning method until the 1950s. The technology was discovered by accident when one of RCA's labs used Freon to cool some internal components of a radio. They noticed that a wave action surrounded one of the crystals, which was operating at 300 kHz.

Most of the systems developed at this time operated in the 18 kHz to 40 kHz frequency range.

Later on, in the 1950s, companies began the development of ultrasonic cleaners in earnest and started to sell them for use in industrial cleaning applications. Most of the systems developed at this time operated in the 18 kHz to 40 kHz frequency range.

Despite the fact that we use ultrasonic cleaners that are able to create much higher frequencies now, the cleaning power created at even these low levels was astounding. In the mid to late 1970s, the technology used to create ultrasonic cleaners began to drop in price and lower cost models intended for home use appeared on the market.

Until the late 1980s, the majority of home and industrial ultrasonic cleaners continued to operate at 40 kHz or less. Over the last thirty plus years, advances in transducer technology has allowed companies to make incredibly powerful units that are still small in size, with the majority of the advances happening in the last ten years.

The most recent advances in ultrasonic cleaning have focused on creating a range of frequencies, either simultaneously or consecutively. This is because different frequencies have different cleaning properties. The lower the frequency, the better it works at removing larger particles, and vice versa for higher frequencies. Since particulate that needs to be cleaned is rarely ever all uniform in size, introducing a wider range of frequencies allows for the removal of more particulate and results in a cleaner item.

Things To Consider When Buying An Ultrasonic Cleaner

Before choosing your ultrasonic cleaner, you need to identify what you will be cleaning. This is one of the most important factors to consider before purchase as different cleaners will be better suited to certain tasks. The majority of ultrasonic cleaners operate in frequencies ranging from 35 to 45 Khz, which is well suited to a variety of cleaning tasks.

This is one of the most important factors to consider before purchase as different cleaners will be better suited to certain tasks.

If you will be cleaning very delicate jewelry or electronics, you would be better of looking for a cleaner that can operate in a higher frequency range closer to 130 kHz. On the other hand, if you're cleaning more durable objects that need serious cleaning power to remove abrasives, you'll want to look for one capable of lower frequencies in the 25 kHz range.

Another important factor to take note of is the size of the tank and basket. You need to ensure that the objects you plan on cleaning can fit into the tank, otherwise it won't matter how powerful the unit is. When looking at the dimensions of your ultrasonic cleaner, make sure that you are comparing the size of the objects you need cleaned to the size of the basket, which is smaller than the tank. Also check the working depth of your cleaning solution. You cannot put cleaning solution all the way to the rim, so just because a tank is large enough, it doesn't mean the solution will be deep enough to fully cover your items.

If you are cleaning delicate items that need precision cleaning, you should keep an eye out for models that have a sweep mode. This is a small continuous variation in the frequency that prevents the creation of dead zones: areas with a minimal concentration of cavitation bubbles. As well as hot spots: areas with a high concentration of cavitation bubbles. Hot spots can damage delicate items, but if you are cleaning durable items where precision isn't a factor, you won't need a sweep mode.

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Sam Kraft
Last updated on November 28, 2019 by Sam Kraft

In addition to his corporate career as a marketing and communications professional in Chicago, Sam runs a popular blog that focuses on the city’s flourishing craft beer and brewery scene. He received his degree in journalism from DePaul University (which spurred his interest in freelance writing) and has since spent years developing expertise in copywriting, digital marketing and public relations. A lifetime of fishing, hiking and camping trips has left him well-versed in just about any outdoors-related topic, and over several years spent working in the trades during his youth, he accumulated a wealth of knowledge about tools and machinery. He’s a travel junkie, a health and fitness enthusiast, and an avid biker.

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