Gemstone Ldentification Tester, Jewelry Tester Identification Tools, Measurement Accuracy ≤±0.003, Range 1.35 to 1.85, for Test Jewelry, Gold/Silver and Diamond

Product specifications: Product name: Gem refractometer Measurement accuracy: ≤±0.003 Table material: Frosted aluminum alloy Scale range: 1.35-1.85 Black background high contrast scale, clearer interface Light source: Built-in quasi-monochromatic LED light source, wavelength 589±3nm Power supply: Built-in lithium battery 700mAh fully charged can work continuously for more than 7 days Instrument size: 130*50*80(mm) Package includes: Host*1

• GEM REFRACTOMETER: (1.35 to 1.85) The main purpose is to measure the angle at which light bends or refracts through a gemstone. Designed to measure the refractive index of gemstones and solid materials
• FAST AND ACCURATE IDENTIFICATION: Gem identification gem refractometer can quickly and accurately identify a variety of single and double gemstones, helping to identify diamonds, moissanite, etc.
• CLEAR DISPLAY, EASY TO READ: With the integrated light source and clear digital scale display, you can use the refracting stone in different environments.
• SIMPLE AND ACCURATE: Jewelry refractometer, this refractometer is characterized by high accuracy and easy operation. Professional refractometer can quickly and accurately identify single and double gemstones
• SMALL AND PORTABLE: Refractometer is very accurate and easy to use. Lightweight and compact, easy to carry. It provides important gem detection because gems vary greatly