Portable Electronic Diamond Tester Pen, Used for Diamond, Gem, Crystal, Agate, Jade, Hardness Testing Tool

Description

• This gemstone testing equipment is not only a diamond tester, but also a multi gemstone tester. It can detect if a gemstone is real or , including: diamond, sapphire, ruby, crystal, agate, jadeite, and other precious stone of various sizes.
• If the number of lights equals or exceeds 9, and it beeps, it means the diamond is true. * If the lights is about 9 and it beeps, it means the sapphire is true. * If the number is 6.5-7, it means the agate is true. * If the number is 7-8 , it means the crystal is true. * If the number is 6-7, it means the jade is true.
• Before Test: 1. Put the in the tester. 2. Take off the probe cap. 3. Turn on the switch. 4. Make sure only one light light up on the scale. 5. Make sure the ” ready lamp” light on. 6. (If test diamond, you then need to turn on the lights number corresponding to the indoor temperature and diamond weight.). 7. (If test other gems, you’d better calibrate the probe, method: by placing the probe vertically on a glass, then adjusting the light to 5, then test the gems.)