RETK-827 Gem Refractometer 0.01 nD Scale Division w/ Built-in LED Light + RI Oil Gem Gemstone Tester - Tekcoplus Ltd.

Gemstone Refractometer is the primary and most powerful tool to identify and authenticate polished precious and semi-precious gemstones and observing the optical properties and the structure of gemstones. Features: Heavy duty and Built to last Convenient & easy to carry With built-in Light Source Comes with Automatic Temperature Compensation (ATC) A bottle of Refractive Index Fluid is provided Approved by strict quality and safety standards Very reliable and assures accurate testing results Specification: Measuring Range: 1.30 ~ 1.81 RI Minimum Graduation : (RI) 0.01 RI Illumination: Internal Light Source with the momentary/power switch Dimension : 35mm x 63mm x 115mm Scale Division : 0.01 nD Weight : 0.4 kg Ranges of Application: Laboratory, Gemology Filter: Polarizing filter Power Source : 3 x AG13 1.5V button batteries Color: Black Set Includes: 1 x Gem Refractometer 1 x bottle of 1.800 Refractive Index

Gain Express Gemological Refractometer 1.30 to 1.81 RI Range

Gem Refractometer 0.01 nD Scale Division w/ Built-in LED Light RI Oil Gem Gemstone Tester - AliExpress

Gem Refractometer 0.01 nD Scale Division w/ Built-in LED Light RI Oil Gem Gemstone Tester - AliExpress

GR-701 Gem Refractometer (Silver) w/ Built-in Light Source + RI Oil – Gain Express

RETK-827 Gem Refractometer 0.01 nD Scale Division w/ Built-in LED Light + RI Oil Gem Gemstone Tester - Tekcoplus Ltd.

Gain Express Gemological Refractometer 1.30 to 1.81 RI Range

RETK-827 Gem Refractometer 0.01 nD Scale Division w/ Built-in LED Light + RI Oil Gem Gemstone Tester - Tekcoplus Ltd.

GR-701 Gem Refractometer (Silver) w/ Built-in Light Source + RI Oil – Gain Express

RETK-827 Gem Refractometer 0.01 nD Scale Division w/ Built-in LED

This model is just as good as the expensive models used in gemological institutes. The refractive index (RI) of a gemstone provides the single most

0.01 nD Scale Division Gem Refractometer w/ Built-in LED Light + RI Oil Great

Model: GR-701 The GR-701, commonly known as Gemstone Refractometer, is the primary and most powerful tool in identifying and authenticating polished

GR-701 Gem Refractometer (Silver) w/ Built-in Light Source + RI Oil

Gemological Gemstone Gem Refractometer Built-in Light: Science Lab Refractometers: : Industrial & Scientific

DMTK-815 Moissanite Tester w/ UV Ultraviolet Light Jewelry Loose Stone Gemstone 2pt Jeweler Tool - Tekcoplus Ltd.

This tester is designed to distinguish diamond, moissanite from other fake stones quickly. It has a fine elastic tipped probe for testing and able to identify stones as small as 2pt.

High Accuracy Professional 2pt Jewel Stone Combo Gem Jewelry Jeweler Tester Test Selection Tool Kit Selector Meter Device for Diamond Moissanite Metal

RETK-827 Gem Refractometer 0.01 nD Scale Division w/ Built-in LED Light + RI Oil Gem Gemstone Tester - Tekcoplus Ltd.