Fast 0.5s Detection Diamond Tester Pen UV Light 365nm Jewelry Tester Gemstone Detector For Jewelry

Label:Yes [Fluorescence Detection] Different materials respond differently under purple light, allowing for a more in depth assessment of the item being measured. [Built In Purple Light] The professional carbon crystal tester includes a built in purple light that reveals the fluorescence of carbon crystals, helping verify authenticity quickly. [Fast and Accurate Testing] This tester uses advanced thermal conductivity to accurately distinguish carbon crystals from common imitations such as crystal or cubic zirconia. [Lightweight and Insulated] Made of sturdy plastic material, this carbon crystal tester is lightweight, provides good insulation, and is suitable for everyday use. [Simple to Use] With real time LED and sound feedback, simply preheat for 25 seconds, hold the top conductive panel with your finger, and tilt the vertical carbon crystal 90 degrees. When a real carbon crystal is detected, the red LED flashes and the buzzer sounds.

Spec: Item Type: Professional carbon crystal Test Pen Material: Plastic Color: Black Size: Approx. 155 x 41 x 22mm(6.10 x 1.61 x 0.87in) Use: Accurately distinguish carbon crystals from crystals or cubic zirconia

PackageList: 1 x Storage Bag 1 x User Manual 1 x Tester Pen (Battery Not Included) 1 x Small Accessory