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This is a 3-liter benchtop ultrasonic cleaner with two switchable frequencies. The 28kHz mode drives strong cavitation for heavy soil on industrial parts and jewelry; the 40kHz mode makes finer bubbles for delicate items like optical lenses and tight crevices. The 3L tank suits small batches of parts, tools, jewelry or lab glassware rather than large loads. Against single-frequency cleaners it is more versatile, but it lacks the sweep, degas and heating features common on pricier lab units.
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Lowest price we've seen: $63.90 on Nov 11 at Amazon. Tracked across 1 store since Nov 11.
This ultrasonic cleaner has a 3 L tank and two frequency settings.
The 28 kHz setting creates powerful cavitation bubbles that remove stubborn dirt from industrial parts or jewelry. The 40 kHz setting creates smaller bubbles for gently cleaning delicate items such as optical lenses. These smaller bubbles can also reach tight crevices.
It has two transducers and a heating function that reaches up to 99°C (210°F). The working time can be set from 0 to 30 minutes.
