Yxzyfpp Gemstone Tester, Portable Professional Refractometer With Lcd Display, 700Mah Battery, Tests Refractive Index 1.300-3.000 For Small & Mounted Jewelry
YXZYFPP
Durable construction: Built from robust aluminum alloy, this refractometer is designed for scratch and corrosion resistance, ensuring it withstands the test of time. Accurate measurement: Ideals for assessing all types of gemstones, this refractometer offers an impressive refractive index range from 1.300 to 3.000, with an accuracy level of 0.001. User-friendly design: This gem refractometer requires no refractive oil; simply position your gem sample on the measuring platform for instant results. Versatile Gemstone Applications: Our refractometer is specifically designed to measure the refractive index of various gemstones and solid materials. Portable gem refractometer: This lightweight device weighs only 250g and is designed with high-precision sensors that measure gems using total internal reflection principles.
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