Professional Gem Tester with LCD Display, Refractometer for All Stones, 700mAh Battery, High Accuracy (0.001), Refractive Index 1.300-3.000, Ideal for Jewelry & Jade Shops

Professional Gem Tester with LCD Display, Refractometer for All Stones, 700mAh Battery, High Accuracy (0.001), Refractive Index 1.300-3.000, Ideal for Jewelry & Jade Shops

• Discover the essential **Gem Refractometer** for gemstone enthusiasts and professionals. This high-precision tool utilizes the principle of total internal reflection to measure the refractive index, aiding in the identification and evaluation of various gemstones. Enhance your gemstone analysis with this reliable instrument that offers scientific support for distinguishing different types of gems.
• Discover the perfect Jewelry Refractometer for your needs. This Portable Refractometer features a lightweight design at just 250 grams, crafted from Durable Aluminum Alloy for Scratch and Corrosion Resistance. Enjoy the clarity of the LCD Backlit Display and the safety of ABS Insulated Switches. With Triple Insulation Protection, it's designed for a long-lasting and comfortable user experience.
• Designed for precise measurement of the Refractive Index in Gemstones and Solid Materials, this tool efficiently identifies Single Crystal Gemstones, Twin Crystal Gemstones, Diamonds, and Colored Gemstones. Ideal for Jewelry Appraisal Institutions, Gem Processing Factories, and Collectors. Please note: Measurements are not suitable for Semi-finished Products, Poorly Polished Gemstones, or Rough Stones under 2.0mm².
• 【Easy to Use】No need to use refractive oil, just bring the sample close to the measuring platform to measure. Based on this parameter, you can tell whether the gemstone is uniaxial or biaxial. In addition, it is equipped with two calibration blocks of 1.487 and 1.806, which need to be calibrated before measurement to ensure the accuracy of the measurement results.
• 【Wide Application】Designed for measuring the refractive index of gemstones and various solid materials, it can quickly and accurately identify single crystal gemstones, twin crystal gemstones, diamonds and various colored gemstones. It is widely used in jewelry appraisal institutions, gem processing factories, collectors and other scenarios. Note: Semi-finished products, poorly polished gemstones, gemstones less than 2.0mm² and rough stones cannot be measured.