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

Atago, Kern refractometers - häberle Online Shop

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

Features: 1. Specially designed for measuring the refractive index of gemstones and solid materials. 2. Lightweight and compact, easy to carry. 3. This refractometer features high accuracy and easy operation. 4. Identify single and double gems quickly and precisely. 5. Low battery consumption for long service time. 6. Approved by strict quality and safety standards for a long and trouble-free using.

Salmue Gem Refractometer,Jewelry RHG181 1.30-1.81 Professional Gemstone ldentification Gem Refractometer for Gemologists' Travel/Portable Lab Suitcase

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

Gemstone refractometer ER601-LED - A. KRÜSS Gemmologie Shop

Gem Refractometer, Professional High Accuracy Jewelry Gem Refractometer Quick Identification 1.30 to 1.81 Measuring Range, Jewelry Refractometer for Identifying and Authenticating Polished Gems : Industrial & Scientific

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

Benchtop Refractometers

RETK-74 Brix Beer Wort & Wine Refractometer ATC Dual Scale Specific Gravity & Brix 0-32% Wine Making - Tekcoplus Ltd.

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