Gemstone Refractometer Jewelry Refractometer Gem Professional High Accuracy 1.30-1.81 RI Lightweight Compact for Measuring Refractive Index of Gems with LED Light

1. Specially designed for measuring the refractive index of gemstones and solid materials. 2. Lightweight and compact, easy to carry. 3. This refractometer features high accuracy and easy operation. 4. Identify single and double gems quickly and precisely. 5. Low battery consumption for long service time. Specification: Features: 1. Specially designed for measuring the refractive index of gemstones and solid materials. 2. Lightweight and compact, easy to carry. 3. This refractometer features high accuracy and easy operation. 4. Identify single and double gems quickly and precisely. 5. Low battery consumption for long service time. 6. Approved by strict quality and safety standards for a long and trouble-​k>free​ using. Specification: Condition:Brand New Item Type: Refractometer Material: ABS Refractive Index Range: 1.30-1.81 RI Color: As Pictures Shown Size: Approx. 13 * 6 * 3.5cm/5.1 * 2.4 * 1.4inch Weight: Approx. 721g Package List: 1 * Refractometer 1 * Electric Torch (Powered by 1 * AA battery which is NOT included)) 1 * English Manual 1 * 3 ML Reflective Index Fluid Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering! 1. Reading standard: The eyepiece needs to be adjusted to the clearest number and the shading line scale. 2. The ​ surface of the measuring item must be flat, and the diameter is more than 2mm. Package List: 1 * Refractometer 1 * Electric Torch (Powered by 1 * AA battery which is NOT included)) 1 * English Manual 1 * 3 ML Reflective Index Fluid

• [High Accuracy Gemstone Testing] This professional refractometer is specially designed to measure the refractive index of gemstones and solid materials with exceptional precision. its advanced technology ensures accurate readings between 1.30 to 1.81 ri making it ideal for identifying both single and double refraction gems. the clear eyepiece and shading line scale provide visibility for precise measurements every time.
• [Lightweight and Portable Design] Crafted with portability in mind this compact refractometer weighs only 721g and measures 13x6x3.5cm making it easy to carry to gem shows workshops or field locations. the durable abs construction provides excellent protection while maintaining a lightweight profile. its ergonomic design fits comfortably in your hand for extended use without fatigue.
• [Comprehensive Gem Identification] Quickly distinguish between genuine and synthetic gemstones with this powerful testing tool. the refractometer's wide measurement range covers most commercially available gemstones including diamonds rubies sapphires and more. its precise shading boundary allows for fast determination of single or double refractive properties helping you make informed decisions about gem quality.
• [Long Lasting Performance] Designed for extended use this refractometer features low battery consumption and comes with a handy electric torch powered by a single aa battery (not included). the included 3ml refractive index fluid ensures you can start testing immediately. built to strict quality standards this durable instrument promises years of reliable service in jewelry labs gemological studies or field work.
• [User Friendly Operation] Featuring intuitive controls and straightforward functionality this refractometer is designed for both professionals and enthusiasts. the included english manual provides clear instructions for quick setup and operation. with minimal training users can obtain reliable refractive index measurements thanks to the instrument's simplified calibration process and easy to read scale.