Ultrasonic Cleaner

Guide on How to Choose Ultrasonic Cleaner for Jewelry

What Is an Ultrasonic Cleaner for Jewelry?

A jewelry ultrasonic cleaner is a bench device that uses high-frequency sound waves in a liquid bath to lift soils from jewelry surfaces and crevices. Typical tasks include removing polishing compounds, skin oils, and workshop residues. An ultrasonic cleaner for jewelry is used in studios, repair benches, and retail backrooms as part of a standardized cleaning workflow.

Working Principle

Inside the tank, a transducer generates ultrasound that forms microscopic bubbles through cavitation. These bubbles grow and collapse near the item’s surface, producing localized fluid motion that dislodges particles. Bath chemistry (water plus a suitable detergent), temperature, and exposure time determine the cleaning action. Common frequencies are around 40 kHz; some systems provide alternative bands for different geometries and materials.

Core Features and Characteristics

A jewelry ultrasonic cleaner for sale typically includes a stainless-steel tank, lid, basket, heater, timer, and drain valve. Digital or analog controls set time and temperature. Baskets suspend items to reduce contact with the tank wall. Detachable power cords, fill markings, and degas functions (where available) support routine setup. Tanks are usually 0.6–10 L for bench use; select capacity according to batch size and fixture needs.

Selection Criteria

When choosing an ultrasonic cleaner for jewelry, review:
Tank Capacity & Footprint: Match internal dimensions to trays, holders, and the largest piece you plan to clean.
Frequency & Power Profile: Verify the operating frequency and rated power per liter; consistent parameters aid repeatable outcomes.
Temperature Control: Many detergents work within defined temperature ranges; a heater and accurate controller support that window.
Basket & Accessories: Check basket mesh size, watch-holder fixtures, and beaker racks for targeted processes.
Drainage & Maintenance Access: Side drains and removable lids simplify fluid changes and tank cleaning.

Application Range

An ultrasonic cleaner for jewelry supports cleaning of rings, chains, settings, and watch cases (with movement removed). It is also used between process steps—after polishing, before plating, or prior to inspection—where residue reduction may improve surface preparation. For gemstones, confirm material suitability first; some porous or fracture-filled stones are not recommended for ultrasonic exposure.

Buying Considerations

Before selecting a jewelry ultrasonic cleaner for sale, check input voltage and plug type, tank material grade, and manufacturer guidance on acceptable detergents. Review sonic power rating, operating frequency tolerance, and duty cycle for your daily schedule. Examine lid fit, basket quality, and sealing around controls to limit splashes. Availability of spare parts (baskets, heaters, transducers, gaskets) supports long-term use.