SPECIFICATIONS

Please put the pen tip vertically and gently on the test stone.Please adjust according to the size of the stone to be measured. Instrument up/down button, according to the number of carats displayed below the instrument adjustment, you do not need to set the exact number of carats.
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.
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.
Application Range:Industrial Purpose, Circuit Board And Printing , Industry, 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
1 x Rechargeable Professional Diamond Tester Pen
1x 1M USB Cabel
1x Power adapter
1 x Testing Platform
1 x User Manual
Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on.
Voltage: AC100-240V
Color: As Shown
Material: Metal+Plastic

Package Contents:
1 set * Portable Gem Checker

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.