High Precision Portable Refractometer for Jewelry & Jade, Refractive Index 1.300-3.000, Accurate to 0.001, LCD Display, 700mAh Battery, Measurement Error: ±0.005

⚠ Tired of second-guessing gem authenticity and risking client trust?⚠ Are you still anxious about confusing real diamonds with synthetic zircon, damaging your professional credibility?✨✨✨ This digital gem refractometer solves your biggest pain points with professional-grade precision and hassle-free operation.✨【ADVANTAGES】1. Skip the messy refractive oils! Simply place your gem or solid sample onto the measurement platform for a fast, clean, and contactless reading.2. Features a high-precision sensor delivering measurements from 1.300 to 3.000 with an impressive accuracy of ±0.001 and error margin of only ±0.005.3. Crafted from lightweight yet rugged high-strength aluminum alloy (only 250g / 0.55 lbs), it withstands scratches, corrosion, and fieldwork. The bright backlit LCD display ensures clear readings anywhere.4. Long-Lasting & Efficient: Powered by a 700mAh battery providing approximately 200 measurements per charge.5. Complete Package for Success: Everything you need is included: Refractometer, Aluminum Box, Tweezers, Countertop cover, Calibration Blocks (1.487 & 1.806), and English Manual.6. Long Battery Life: Built-in 700mAh lithium battery, supports up to 10,000 measurements, suitable for field gemology applications.✨【SPECIFICATIONS】Product name: Digital Gemstone RefractometerMeasuring range: refractive index 1.300-3.000Measurement accuracy: 0.001Measurement error: + -0.005Battery life:10.000 TimesPower supply: 700mA Lithium BatteryProduct Size: 13.5x7.8x2.4cm(5.31x3.1x0.94inch)Net weight: 0.8kg(1.76lbs)✨【PRODUCTS INCLUDE】1 * Gemstone Refractometer1 * Calibration Block (1*1.487, 1*1.806)1 * Aluminum Box1 * Tweezers1 * Countertop Cover1 * Instruction Manual👉 Add to Cart Now & Transform Your Workouts Forever!

• Discover our Professional-Grade Digital Refractometer, designed for precise refractive index (RI) measurements. This advanced tool features a high-precision optical system, sensitive sensor, and smart electronics, ensuring fast and accurate results. With a measurement range of 1.300-3.000 and ±0.005 accuracy, it’s perfect for professionals and enthusiasts alike, delivering reliable data for various applications.
• **Optimized Short Description:** Introducing the Wide Cali for Mstones, designed for uniaxial and biaxial crystals. This digital m er accurately identifies single and double mstones, including Moissanite, Diamonds, Colored Mstones, Natural and Synthetic Stones, and Minerals. Ideal for appraisal institutions, jewelry factories, collectors, and enthusiasts. Note: Not suitable for semi-hed products or stones smaller than 2.0mm².
• Experience hassle-free gem identification with our Oil-Free & Easy tool. Unlike traditional methods, no refractive oil is needed. Simply position the gem close to the platform for quick results, ensuring the integrity of your gems. This Jewelry Refractometer includes two calibration blocks (1.487 & 1.806) for precise measurements, allowing you to differentiate between uniaxial and biaxial crystals effortlessly.
• Experience accurate measurements with our Digital Refractometer, designed based on Total Internal Reflection principles. This essential tool distinguishes liquid types and assesses physical properties effectively. Weighing just 250g, its compact and lightweight design ensures easy portability. The corrosion-resistant aluminum alloy shell enhances durability, making it ideal for various applications.
• Jewelry Authenticity Tester offers reliable performance with its durable aluminum alloy workbench for stable precision. The ABS plastic power switch and built-in triple flat protect prevent leaks effectively. Its large LCD backlit screen ensures clear readings in low-light conditions. Powered by a 700mAh rechargeable lithium battery, it supports up to 10,000 measurements per charge, ideal for labs, field trips, and jewelry stores.