£ 9.99
QWORK® High Accuracy Diamond Tester Portable Jewelry Gemstone Testing Tool with LED Light and Audio Indicator
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This High-Accuracy Diamond Tester can accurately detect multi gemstones like diamond, sapphire, crystal, agate and jadeite. Consists of a plastic housing, LED lights and an audio indicator. Operating Environment: 5℃ ~ 35℃, Relative Humidity: ＜80. Power Supply: 9V Battery (not included). Make sure the tester probe needle is at a 90-degree angle with the tested object. Meanwhile, the right index finger must touch the metal panel on the back of the tester. * Do Not test any metal. * Do Not wear gloves. A user manual is included for hassle-free operation.
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This High-Accuracy Diamond Tester can accurately detect multi gemstones like diamond, sapphire, crystal, agate and jadeite. Consists of a plastic housing, LED lights and an audio indicator. Operating Environment: 5℃ ~ 35℃, Relative Humidity: ＜80. Power Supply: 9V Battery (not included). Make sure the tester probe needle is at a 90-degree angle with the tested object. Meanwhile, the right index finger must touch the metal panel on the back of the tester. * Do Not test any metal. * Do Not wear gloves. A user manual is included for hassle-free operation.
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