Rechargeable Diamond Tester, High Accuracy Diamond Tester Pen with UV Light,Jewelry Gem Tester Pen,with 365nm UV Light,Portable Gem Checker for Novice & Experts (Rechargeable Diamond Tester)

Effortless Testing - Key operation, at a glance. No need for a professional - the Hqdz Diamond Tester Pen is easy to operate. Just turn it on, lightly press the tip to the gemstone, and wait for the beep to know if it's real or fake. If it's Real Diamond. The professional Diamond Tester will lighted up over 9 and emits audible sounds. No reaction means the stone is a fake crystal or simulant like cubic zirconium (CZ).
High-Frequency Sound when Testing Metal -The high-frequency sound during metal testing is due to the test pen's operational principle, which relies on thermal conductivity to distinguish between diamonds and fake gemstones. Since metal possesses thermal conductivity similar to diamonds, it generates a high-frequency sound during testing. [Warm
Notice]: Make sure to test according to the correct testing procedure, avoid using the diamond tester on unsuitable items(metal, skin, water and ect. ),
Application Range: Industrial Purpose, Circuit Board And Printing, Industry, Medicine, Gardening, Coin, Diamond, Stamp, Jewelry, Appraisal, Education, Geography, Home And Offi,
Package include: 1 x Diamond Tester Pen, 1x Power adapte, 1x 1M USB Cabel, 1 x Testing Platform, 1 x User Manual,

Rechargeable Diamond Tester, High Accuracy Diamond Tester Pen with UV Light, Jewelry Gem Tester Pen, with 365nm UV Light, Portable Diamond Checker Tool, Portable Gem Checker for Novice & Experts- Perfect for food, tablets, powder, gemstones, coins, jewelry, weed, gold, silver, coins and etc.
How To Test Diamond
1. Remove the pen cover
2. Press the power switch, preheat for one minute, and start the test after the light flashes
3. Select the diamond size. The wrong size will result in an incorrect result
4. You must touch the panel on the back during the test
5. Keep the test at a vertical angle to the diamond
6. Real diamonds will light up more than 9 lights and make a clear sound Fake diamonds will light up less than 9 lights and will not make a clear sound
7. Use a Changan UV lamp to observe the cut surface of the diamond under ultraviolet light. Real diamonds usually have blue fluorescence
8. Note that the probe should only touch the diamond gemstone, not metal or skin, to avoid incorrect results
Package include:
1 x Rechargeable Professional Diamond Tester Pen
1x 1M USB Cabel
1x Power adapter
1 x Testing Platform
1 x User Manual
Satisfaction Guaranteed We offer a 100% satisfaction guarantee. If you have any quality issues, receive a refund or replacement. Our responsive support team is ready to help within 24 hours