Diamond Tester,High Accuracy Diamond Tester Pen＋60X Mini LED Magnifying Jeweler Tool Kit,Professional Jewelry Diamond Selector for Novice and Expert, Thermal Conductivity Meter(Diamond Tester)

【Intuitive Design】Hqdz-td Diamond Tester Pen comes with LED lights and audio indication. During a test, if the stone tested is a diamond, the LED lights will light up as the stone passes each test conducted by the Diamond detector. Once our Diamond Tester Pen has completed all of its tests, the pen will make a beep sound as well as show a row of fully lite LED lights. 【Simple to Use】Hqdz-td Diamond Tester Pen is simple to operate to get results, professional(s) are not required. Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep. 【Fast Results】Hqdz-td's Diamond Tester Pen is design to deliver fast, accurate results. You will be able to know if something is fake in a matter of seconds. 【Portable】Hqdz-td Diamond Tester Pen and 60X LED Lighted Loupe each comes with its own convenient carrying cases. Both items are small and can fit into any purse or backpack.Diamond Tester Pen and 60X LED Lighted Loupe combo is a must have tool kit when you are going to a garage sale, flea market, swap meet, etc. Alternatively, its also a great tool to have when testing your own jewelry. 【Adjust Size】We have to choose the diamond size before using the diamond tester.Otherwise we may get the incorrect result. 【Touch Panel】We have to touch the panel on the back when testing. Othersize we will get a wrong result. 【Incorrect Contact】When we have incorrect contact, this diamond tester pen will have a flashing OR it will turn off. When you testing metal,skin,or something else. 【Warm Notice】The Diamond Tester Pen works by measuring the thermal conductivity of an object.Make sure to test according to the correct testing procedure, avoid using the diamond tester on unsuitable items(metal,skin,water and ect.), to ensure accurate testing results. Any improper operation may affect the accuracy of the test. 【Application Range】Diamond,Stamp, Jewelry, Appraisal, Education, Geography, Home And Office. 【Professional Diamond Selector】 After powering on, turn the wheel to keep 4 green lights on to finish the Initialization. Otherwise you will get inaccurate results.For Diamond Simulants：No Sound and No Red lamps light on.[Package include]:1 x Diamond Tester Pen, 1X 60XJewelers Loupe,1 x Testing Platform,1 x User Manual., Manufacturer: Hqdz-td