In recent years, ultrasonic technology has advanced to the point where jewelers and collectors can use portable ultrasonic cleaners to wash away the stains from the watches, bracelets, necklaces and other fine jewelry in their inventories. Ultrasonic cleaners also have several advantages over traditional cleaning techniques.
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Speed When it comes to jewelry cleaning, the old bromide “time is money” is a literal truth. These machines have enabled jewelers to spend more time on their customers and less time on cleaning chores. Conventional jewelry cleaning methods involved soaps, brushes and large quantities of elbow grease. Time spent with a valuable piece in the shop’s back room is time that the piece is not on display and available for sale. Ultrasonic cleaners can thoroughly clean even the most detailed pieces in a few minutes, allowing the jeweler to display the item at its best. |
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Cost In addition to the decrease in time that an item spends off the sales floor, the costs of the ultrasonic cleaning process itself make these machines a money-saving investment. When compared to the labor and material costs of traditional cleaning methods, ultrasonic cleaning machines are much more cost-effective. The ultrasonic cavitation action allows the cleaners to use less cleaning fluid per session, which also saves money. |
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Environmental Impact In large-scale retail jewelry operations, the use and disposal of cleaning solutions can have a noticeable impact on local water supplies. Since the ultrasonic waves accomplish much of the work involved in cleaning the items, the reduced use of cleaning solutions also lowers overall the environmental impact of the cleaning process. Also, the machines are self-contained and do not require the use of heavy solvents, which makes for a safer workplace. |
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Precision Some of the most valuable jewelry items can also have the most intricate designs. Necklaces, bracelets, watches and other items have crevices between the links that can house dirt, dust and other contaminants. Specialty items with customized designs can also contain small cavities where dirt can accumulate. Many of these spaces are too small for most tools to reach. The ultrasonic cleaner can send the cleaning solution into those small spaces and bring a new shine to these delicate items. |
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Value Jewelers grade their diamonds according to four major criteria: cut, color, clarity and carats. Another “C” can also affect the perceived value of diamonds: cleanliness. A customer will view a diamond with a stain or smudge as having less value than a pristine, sparkling stone. A bath in an ultrasonic cleaner can remove many of the external imperfections that may cling to precious stones. |
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In the classic film “Gentlemen Prefer Blondes”, Marilyn Monroe sang, “Diamonds Are a Girl’s Best Friend”. In the modern jewelry industry, ultrasonic cleaners are quickly becoming a jeweler’s “best friend”.





