Portable Digital Refractometer with 700mAh Battery, LCD Display, 1.300-1.790 Refractive Index Range for Quick On-the-Go Measurements, Ideal for Home Brewing & Wine Making

Introducing our advanced digital gemstone refractometer, a precise instrument for identifying polished gemstones with ease and accuracy. Designed with a large LCD backlight, this refractometer ensures clear, easy-to-read measurements, making it an essential tool for jewelers, gemologists, and hobbyists alike. **Key Features:** - **Wide Measuring Range:** Accurately measures refractive indices from 1.300 to 3.000, accommodating a variety of gemstones. - **High Accuracy:** With a measurement error of just ±0.005 and accuracy of 0.001, you can trust the results for your gemstone identification needs. - **Long Battery Life:** Powered by a 700mA lithium battery, this refractometer offers up to 10,000 uses on a single charge, ensuring reliability during your projects. - **Compact Design:** Measuring just 13.5x7.8x2.4cm (5.31x3.1x0.94 inches) and weighing only 0.8kg (1.76lbs), it is portable enough to take anywhere, whether you're at a gem show, in the field, or working from your workshop. **What’s Included:** - 1 Professional Digital Gemstone Refractometer - 2 Calibration blocks (1.487 and 1.806) - 1 Sturdy aluminum carrying case for protection and easy transport - 1 Instruction manual for quick setup and operation Whether you're an experienced gemologist or just starting your journey into the world of gemstones, our digital refractometer enhances your ability to accurately assess and identify gems, adding significant value to your work. Elevate your gemstone analysis with this essential tool and unlock the true potential of your gemstone collection. Experience the difference precision makes in your gemstone identification process today!

• Crafted from durable Aluminum Alloy, this Refractometer features a Scratch-Resistant design, ensuring long-lasting performance. Enhanced with an ABS Engineering Plastic Power Switch and Triple Seal Protection, it offers reliable safety against leaks. Ideal for precise measurements, this tool is perfect for various applications in Food and Beverage, Agriculture, and more.
• Introducing our Reliable Refractive Index Measurement Tool, designed for non-destructive and accurate measurement of gemstones' refractive index values. With a range from 1.300 to 3.000, this essential instrument is perfect for gemologists and jewelers alike, ensuring precision and efficiency in your work. Enhance your gemstone evaluation process with this indispensable tool!
• Convenient and User-Friendly, the Mstone's U-ring simplifies crystal identification. By placing it near the platform, you can effortlessly determine if a mineral is a Uniaxial or Biaxial Crystal. This innovative tool eliminates the need for refractive oil, making your testing process quicker and more efficient. Ideal for both professionals and hobbyists in mineralogy.
• Discover the power of our Advanced Optical Analyzer, designed for precise gemstone identification. Utilizing Total Internal Reflection, this innovative tool effectively measures the Refractive Index, a key parameter in evaluating various gemstones. Perfect for gemologists and hobbyists alike, it ensures accuracy and reliability in your assessments. Elevate your gem analysis experience today!
• 【Versatile Applications】Ideal for accurately identifying Single and Double Gemstones, including Diamonds and Colored Gemstones. Perfect for Professionals requiring reliable Refractive Index Measurements of Gemstones and Solid Materials. Enhance your gemstone evaluation with this essential tool designed for precision and efficiency.