Professional Accurate Gemstone Refractometer, Jewelry Tester Identification Tools, Refractive Index 1.300-3.000, with LCD Screens, for Jewelry, Gold ＆ Silver and Diamond

Product Description: Gold Purity Testing Analyser Meter Machine Purity Tester for Precious Metals Gold Purity Testing Machine Gold Purity Analyser Meter Gold Density Meter Gold Purity Testing Analyzer Machine gold purity analyser meter Specifications: Measuring Range: Refractive index 1.300-3.000 Measurement Error: ±0.005 Measurement Accuracy: 0.001 Lithium Power Supply Life: 10.000 Times Power Supply: 700mA Lithium Power Supply Product Size: 13.5x7.8x2.4cm(5.31x3.1x0.94inch) Net Weight: 0.8kg(1.76lbs) Products Include: Gemstone Refractometer x 1 Box x 1

• - **Essential Gem Identification Tool**: This advanced refractometer is an indispensable tool for jewelers, providing non-destructive refractive index measurements (ranging from 1.300 to 3.000) with unmatched accuracy. Crucial for verifying gemstone authenticity through their optical properties.
• - **User-Friendly Testing Procedure**: No refractive oil is required! Simply place the gem's measurement facet against the platform for an instant determination of its crystal structure—making gem identification more efficient than ever.
• - **Premium Quality Construction**: Crafted from du-rable aluminum alloy for a scratch-resistant work sur-face, this instrument ensures long-lasting performance. Enhanced with ABS engineering plastic for power controls and triple-layer internal insulation, it enhances safety by protecting against potential electrical hazards.
• - **Fundamental Working Principle**: Leverages the principle of total internal reflection, allowing users to determine the refractive index—a key optical parameter for identifying gemstone characteristics based on specific measurements.
• - **Versatile Applications**: This Gemstone Identification Tester is perfect for swiftly and accurately identifying single and double gemstones, including moissanite, diamonds, colored gemstones, and crystals. For use in gem jewelry stores and various other settings, this tool is essential for any gem enthusiast or professional.