Gemstone Refractometer Digital with Wide 1.300-3.000 RI Range | High Accuracy 0.001 for Reliable Gem Identification | Rechargeable 700mAh Battery

Product DescriptionGemstone Refractometer - Jewelry Tester Identification Tool with Large LCD Backlight. This essential tool boasts an error margin of ±0.005 and delivers high accuracy of 0.001 for measuring refractive indices from 1.300 to 3.000, making it ide/al for evaluating gemstones and jewelry. Features: 1. The large LCD screen with a backlight provides a comfortable viewing experience, ensuring bright and clear visibility. 2. Constructed with a dur/able aluminum alloy table, this refractometer is both sturdy and scratch-resistant. 3. The ABS power switch is designed with hi/gh-qual/ity insulation to prevent power leakage. Specifications: - Measuring range: refractive index 1.300-3.000 - Measurement error: ±0.005 - Measurement accuracy: 0.001 - Product Size: 13.5 x 7.8 x 2.4 cm (5.31 x 3.1 x 0.94 in - Net weight: 0.8 kg (1.76 lbs) - Package Size: 16 x 12 x 4 cm (6.3 x 4.72 x 1.57 in - Gross Weight: 1 kg (2.2 lbs)

• 【Gemstone refractometer】Digital refractometer features a large LCD screen, the device ensures excellent readability even in low-light conditions.Powered by a rechargeable 700mAh lithium battery, it supports up to 10,000 measurements per charge
• 【Simple And Precise Measurement】Jewelry Authenticity Tester measuring range: refractive index 1.300-3.000.a measurement accuracy of up to 0.001, a measurement error of
• 【Highly Efficient】:The Gemstone Tester ensures excellent readability even in low-light conditions as it featuring a large LCD screen with backlight illumination, a high-sensitivity sensor, and intelligent electronics.Powered by a rechargeable 700mAh lithium battery, it supports up to 10,000 measurements per charge, making it suitable for lab use, field gemology trips, and jewelry store applications.
• 【Dur/ables Construction】: Crafted from hard aluminum alloy, the work of the gem refractometer is scratch-resistant and robust, offering stable support for precision testing. It also features an ABS engineering plastic power switch with built-in triple insulation to minimize leakage risks.
• 【Sturdy and dur/able】:The gem refractometer uses hard aluminum alloy to create a work plate, which is scratch-resistant and sturdy, providing stable support for precision testing. It is equipped with an ABS engineering plastic power switch and built-in triple insulation protection to effectively block the risk of leakage