High Precision Diamond Tester Pen Diamond Selector Gem Jewelry Detector Test Tool with Case for Novice Expert

General descriptionHigh Precision Diamond Tester Pen is designed for both novices and experts to accurately differentiate between diamonds and simulants. This portable tool features a user-friendly design with intuitive indicators for easy operation.Technical specificationsMaterial: ABS shell, high-sensitivity alloy probe, rubber protective cover, heat conduction plateColor: BlackProduct Size: 160 x 40 x 23 mm / 6.29 x 1.57 x 0.90 inchesPower: 1 x 9V 006P battery (not included)UsageTurn on the power and wait for the heater to be readyPress and hold your finger on the heat conduction plateMake 90-degree contact with the object to be measured using the probeListen for beeps and observe LEDs for test results: Beep indicates diamond, continuous buzz indicates metal, no sign indicates simulantOther informationComes with a portable leather case for easy storage and transport