Professional Refractometer for Gemology - Precision Jewelry Calibration Tool (Accuracy 0.001) with Durable Aluminum Alloy Table, Measures Refractive Index 1.300–3.000

Discover the ultimate tool for gemstone enthusiasts and professionals with our Professional Gemstone Identification Refractometer. Designed for gemologists, jewelry designers, and hobbyists, this refractometer offers a precision optical system with a wide measurement range (RI 1.300–3.000), making it ideal for accurately identifying a variety of gemstones, including diamonds, sapphires, rubies, and emeralds. **Key Features & Advantages:** - **Precision Measurement:** With an accuracy of ±0.005 and a minimum scale value of 0.001, you can trust the reliable data provided for effective gem identification. - **Large LCD Backlit Screen:** The easy-to-read display is perfect for use in low-light conditions, allowing you to focus on your work without straining your eyes. - **Durable Aluminum Alloy Table:** Constructed from hardened materials, this refractometer ensures long-term stability and durability in everyday use. - **Insulation Switch:** Featuring an ABS material switch for enhanced safety and convenience. - **Long Battery Life:** The built-in 700mAh lithium battery supports approximately 10,000 measurements, making it an excellent choice for fieldwork and extended use. **Technical Specifications:** - Measuring Range: Refractive Index 1.300–3.000 - Error: ±0.005 - Accuracy: 0.001 - Battery Type: Lithium Battery (700mAh) - Battery Life: Approximately 10,000 tests - Product Dimensions: 13.5×7.8×2.4 cm - Net Weight: 0.8 kg **What’s Included:** - Gemstone Refractometer × 1 - Protective Case × 1 - User Manual × 1 Elevate your gem identification process with our Professional Gemstone Identification Refractometer, a reliable and essential tool for anyone passionate about gemstones. Embrace the accuracy and convenience it brings to your gemology endeavors.

• Professional Gemstone Identification Tool – This precision Refractometer features an advanced optical system and LED backlight, offering reliable refractive index measurements from 1.300 to 3.000. With an accuracy of ±0.005 and resolution of 0.001, it's ideal for jewelry professionals and gem enthusiasts to identify Diamonds, Sapphires, Emeralds, and various other Gemstones efficiently.
• Discover the Gemstone Tester, designed for precise identification of gemstones through total internal reflection. This essential tool measures the refractive index, enabling users to distinguish various gem types with confidence. Ideal for gem enthusiasts and professionals alike, it streamlines the gem identification process while ensuring accuracy and reliability in every use.
• Wide Compatibility for Various Gemstones - This Jewelry Calibration Test Tool is designed for both Uniaxial and Biaxial Crystals, enabling quick and accurate identification of Single and Double Gemstones, including Moissanite, Diamonds, Colored Gems, Natural or Synthetic Stones, and Minerals. Essential for Gemologists and Enthusiasts alike, it enhances your gemstone evaluation process.
• CLEAR VISUAL READING & EXTENDED BATTERY LIFE -- Featuring a large LCD screen with backlight illumination, a high-sensitivity sensor, and ligent electronics, the device ensures excellent readability even in low-light conditions. Powered by a rechargeable 700mAh lithium battery, it supports up to 10,000 measurements per charge, making it suitable for lab use, field gemology trips, and jewelry store applications.
• WIDE COMPATIBILITY FOR VARIOUS GEMSTONES -- Suitable for both uniaxial and biaxial crystals, this jewelry calibration test tools quickly and accurately identifies single and double gemstones—including moissanite, diamond, colored gems, natural or synthetic stones, minerals, and other solid materials. A must-have for gemologists and serious collectors.