Gem Refractometer with LCD Display, Measures All Gemstones, Refractive Index 1.300-3.000, 0.001 Accuracy, 700mAh Battery, Ideal for Jewelry and Jade Stores
Product Description
Gem Refractometer with LCD Display, Measures All Gemstones, Refractive Index 1.300-3.000, 0.001 Accuracy, 700mAh Battery, Ideal for Jewelry and Jade Stores
- Gem Refractometer with High Precision Sensor Measures Refractive Index for Gemstone Identification Based on Total Internal Reflection Principle
- Portable Jewelry Refractometer With LCD Backlit Display, High-Strength Aluminum Alloy Shell For Scratch And Corrosion Resistance, Weighs Only 250 Grams, Built-In Triple Insulation Protection For Safe Use
- Precise Gemstone Refractometer with High Accuracy, Measures Refractive Index from 1.300 to 3.000, Non-Destructive Testing Tool for Jewelry Identification, Error as Low as ±0.005
- Easy to use gem refractometer, no refractive oil needed, just place the sample close to the measuring platform. Determine if the gemstone is uniaxial or biaxial, includes 1.487 and 1.806 calibration blocks for accurate results.
- Gemstone Refractometer For Measuring Refractive Index Of Single Crystal, Twin Crystal, Diamonds And Colored Gemstones, Widely Used In Jewelry Appraisal, Gem Processing And Collecting, Note: Not For Semi-Finished, Poorly Polished Gemstones Below 2.0mm² Or Rough Stones
Technical Specifications
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