Wilove Professional Diamond Selector, High Accuracy Diamond Tester Gem Tester Pen Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone

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About Wilove Professional Diamond Selector, High Accuracy

​Specification: Item Type: Jewelry Tool Material: Metal Color: Silver Size: 2.2 ×4× 16 CM / 0.87 ×1.57×6.30 Inch Battery: 9V (Battery Not Included) Weight: 156g Detection Method: ❶While holding the diamond tester in your hand, you must touch the back of the impervious steel, ❷There is a switch on the impervious steel,The diamond should be held in the hand (IT MUST PASS THROUGH THE HUMAN BODY TO CONDUCT ELECTRICITY, AND THE RESULT OF MEASUREMENT WITHOUT ELECTRICITY IS WRONG) ❸The probe is facing the diamond,The probe must first face the switch on the diamond impervious steel, If it is Moissanite,the green light turns on for 1 second and then jumps to the red light, there will always be sound, If it is Diamond,the green light is on and there is no sound Note for Moissanite Tester: 1. The probe of this instrument is very sensitive.When not in use, you should use a leather suit to protect the diamond detector from damage 2. Low power battery should be replaced in real time to ensure accurate detection 3. Take out the battery if it will not be used for a long time 4. For correct testing, it is recommended that you take a calibration adjustment after annual maintenance Package List: 1* DIAMOND TESTER 1*Manuals 1* Leather Pouch Case 1*Tray