HMJOY Diamond Tester, Hight Accuracy Jewelry Diamond Tester, Professional Diamond Selector for Novice and Expert Jewelry Diamond Tester Pen
Special Features
- [HOW TO SOLVE BEEP PROBLEM]: For 1st use, please set four lights to illuminate on the scale otherwise it will keep beeping when testing
- [WIDELY USE]:The diamond tester pen can selecter diamond, glass, sapphire, ruby, crystal, agate. But DIDNOT WORK ON METAL!
- [TEST REAL DIAMOND]: For Real Diamond,diamond tetster will beeping and lights >=9
- [INTUITIVE]: Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and lights <9.
- [INITIALIZE SETUP]: Please SET 4 LIGHTS to illuminate on the scale,EVERYTIME when you turn on the tester pen.
- [FAST & SAFE]: This diamond selector tester is designed for quick, precise and safe diamond testing. No harm to diamonds
- [WARM NOTICE 1]: The contacts need to be pressed vertically against the surface of the diamond.
- [WARM NOTICE 2]: Please ensure that the battery temperature is higher than 10 ℃, can not test metal, save power
- [WARM NOTICE 3]: Please refer to the Manual for help when come across problems.
- [CUSTOMER SUPPORT]: Our team will be constantly on hand to solve any doubts you may have, JUST CONTACT US WHEN YOU NEED HELP.
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