Hardness Tester, Diamond Selector Tester Pen High Accuracy Professional with 30X LED Magnifying for Jewelry

Diamond Selector Tester Pen High Accuracy Professional with 30X LED Magnifying for Jewelry Specification:Item Type: Diamond SelectorMaterial: ABSPurpose: To identify the authenticity of diamond and the hardness of some gemstonePower Supply: 1 x 9V 6F22 dry battery(not included)Package List:1 x Diamond Selector1 x Masonry Holder1 x User Manual1 x Storage Bag1 x Magnifying Glass1 x Storage BoxHow to use:1. Install the battery before measurement2. Swipe right to grid 4 and wait for the preheating light to light up3. Corresponding temperature, diamond weight value4. Measure the diamond, lights will all light up for the real diamondDiamond selector tester pen, Hardness Testers, Physical Measuring Instruments, Measurement & Analysis Instruments

• 1. FAST AND SAFE: The professional diamond selector will indicate real or fake diamond. Designed for fast, accurate and safe diamond testing.
• 2. INTUITIVE DESIGN: Possess LCD display and LED indicators. Test diamond with a size switch, make a sound, and easily distinguish readings.
• 3. EASY TO USE: The diamond test pen is easy to operate to get results, no professional required. Just turn on the detector, place the tip of the diamond tester on the gemstone (press lightly), the tester will not beep if the gemstone is fake, crystal or cubic zirconia.
• 4. EASY IDENTIFICATION: A real diamond will sound and light equal to or more than 9. Imitation crystal, such as cubic zirconium (CZ), crystal, glass will be silent less than 9.
• 5. 30X Magnification: 30X LED magnification with battery(miniature microscope) is great for gemstone, coins, antiques, stamps, reading, checking and more.