Gold Tester for Jewelry - Professional Diamond and Gemstone Selector With Diamond Selector II, Moissanite Tester, 2 Manuals, 2 Trays - Portable

Non-destructive Testing: The tester is a matching instrument with the . It is only used for the distinction of colorless , Non-destructive testing, simple and accurate operation, low power consumption, low battery alarm (red light indication) for Tester Portable: The size of the is about 16 * 4 * 2.1 cm/ 6.30 * 1.57 * 0.83 inches, and the size of the tester is about 2.2 * 4 * 16 cm/0.87 * 1.57 * 6.30 inches. It is light and compact and easy to carry. How to Use: Our can help you distinguish whether the is a real or a fake . If the is a real , the green indicator will be displayed on the . When the user accidentally touches metal instead of stone, it will emit a constant buzzing sound Convenient to Use : After 10 minutes' use of Tester, the power indicator light (green light is automatically turned off) and long beep sounds will alert the user to turn off the instrument with a PU Bag: The is equipped with a PU bag and small testing tray for holding loose stones