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

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

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

Atago, Kern refractometers - häberle Online Shop

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

Benchtop Refractometers

Benchtop Refractometers

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

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

Monocular Abbe Refractometer, Professional Digital Lab ABBE Refractometer with Adjustable Sharpness, 1.3000-1.7000 ND and 0-95% Brix Measurement, 0.0002 Accuracy, for the Petroleum Industry, Teaching : Industrial & Scientific