Diamond Tester Pen Professional, High Accuracy Jewelry Diamond Professiona Testers Checker Suitable for Novices and Experts Diamond Detector Magnifying Glass 60X Mini LED Magnifying (Black)

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About Diamond Tester Pen Professional, High Accuracy

Product Description ： Diamond Tester Pen, High Accuracy Jewelry Diamond  Professiona Testers Checker Suitable for Novices and Experts Diamond Detector Magnifying Glass 60X Mini LED Magnifying (Black) 【Measurement methods】: 1. Before using the instrument, turn on the power and wait for it to warm up. 2. Put the diamond in the tray, face up, then adjust the diode according to the weight and temperature of the diamond 3. Remove the probe sheath, and then make the probe lightly and vertically touch the diamond. 4. Pay attention to the number of light-emitting diodes. If nine lights are on and beeps, it means that it is a real diamond. If this condition is not met, it is a fake diamond. Note： 1. This product tester is an electronic instrument designed and manufactured according to the thermal conductivity of diamonds. It is mainly used to identify real and fake diamonds. It can also be used to test sapphires, rubies, crystals, agates and other gems, and can also be used for document and currency detection, lighting, etc. 2.The diamond tester probe is very sensitive, please protect it carefully and put on a protective cover when not in use. 3.When the diamond probe pen is not used for a long time, please remove the battery to maintain the durability of the instrument. Specification: Material: Plastic Working power: DC9V battery   Indicator:  LED lamps and Audio  Size: 6.29inch*1.57inch*0.86inch（16*4*2.2 cm） Package contains: 1*diamond tester, 1*DC9v battery, 1 *Mini 60 times microscope 1 *tray 1 *Packing box""