Diamond Tester Pen, High Accuracy Jewelry Gem Tester Professional Diamond Detector with 60X Mini LED Magnifying, Gold Tester for Jewelry, Diamond Test Pen for Novice and Expert

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About Diamond Tester Pen, High Accuracy Jewelry Gem

Feature: 1.Diamond Tester Pen will distinguish genuine diamond or counterfeit quickly,Accurately and safely. for Non-destructive diamond testing.It can also test the hardness of finished jade, etc. with a hardness value between 5-9, dual function. 2. Portable diamond selector can be easily put into your backpack. it is a necessary tasting tool kit when you are going to a garage sale, flea market, swap meet, etc . or testing your own jewelry. Operation Method: 1. Turn on the power and indicator lights up, the instrument starts to warm up, and then you can use it in a few seconds. 2.Put the diamond to be tested into the appropriate recessed hole of the support tray with the table top facing up. Those who have been mounted do not need to put it in the tray hole, but can hold it by hand. 3. Brighten a number of LEDs according to the weight of the real or fake diamond to be measured and the temperature of the measuring location. 4. Take off the probe sheath, hold the instrument and touch the conductive plate of the back cover of the instrument with your index finger; make the probe lightly touch the table surface of the tested real and fake diamonds vertically. 5. Pay attention to the reflection of the instrument carefully. If the remaining yellow LEDs light up, when there are 9 diodes, and accompanied by a buzzing sound, it means that the tested object is a real diamond. Contrary to this, if there are less than 9 lights up and the instrument does not emit a sharp chirping sound, it means a fake diamond or a counterfeit product.