Diamond Tester Pen High Accuracy Jewelry Diamond Tester+200g/0.01g Mini Jewelry Scale+60X Mini LED Magnifying

Diamond Testers by Szxhf. Details:Diamond Tester, High Accuracy Jewelry Diamond Tester Pen+200g/0.01g Mini Jewelry Scale+60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter- Perfect for food, tablets, powder, gemstones, coins, jewelry, weed,gold, silver, coins and etc. How To Test Diamond Turn on the switch. Make sure only 1 light is lighting up on the scale. Wait few seconds for the probe to heat up until Lamp on ready OK. Turn on the lights numbers corresponding to the indoor temperature and diamond weight. If don’t know. Set 4 lights is lighting up on the scale. Use the diamond discriminator probe to make 90-degree contact with the measured object, and observe the indicator light change. It needs a little bit of force to stop it on the diamond surface and make full contact. If unsuccessful, please repeat the…