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... of a gemstone, which often gives vital clues to the identity of a gemstone. Fable brand Refractometer provides a numerical reading from a scale you see when you look through the eyepiece and determine wheth...
...Testing Instruments Refractometer with Testing range 1.35-1.85 The refractometer is one of the most important tools in a gemological laboratory. It indicates the refraction index of a gemstone, which often g...
Optical equipments for Gem built-in Led jewelry Hand-Held refractometer Product description The Gem Refractometer is an important instrument which measures the refractive indices of stones. It has a pull out ey...
LH-SA28 Digital Refractometer Salinity Test Meter OVERVIEW The instrument adopts the optical principle and specializes in measuring the salt content in water samples and food. The instrument has the advantages ...
...Test Kit Jewelry Microscope Handheld Polariscope A24.6356 A24.6356-A Travel Lab An Ideal Toolkit For Laboratory Testing A24.6356-B Gemological Lab Special For Students And Gemologists A24.6356 Gem Test Kit A...
... is the design principle of the product. Refractometer is an test instrument to test liquid by using light ray. Usage Refractometer is a precision optical instrument, featuring in simple use, accurate measur...
Transparent, semi transparent liquid or solid ST121A Abbe refractometer compression mechanism cold external circulation ST121A Abbe refractometer is an instrument capable of measuring the refractive index ND an...
ST121 Abbe refractometer The ST121 Abbe refractometer is an instrument capable of measuring the refractive index ND and average dispersion NF-NC of transparent, semi transparent liquids or solids. If a thermost...
Honey Refractometer Fruit Sugar Tester 0-95% Scale Range Honey Moisture Tester High-Precision Handheld Home Refractometer Quick Detection: disposable-consumables.com 2 seconds of quick measurement, with accurac...
BGD 250 Abbe Refractometer Refractive Index Meter 1.Description The Abbe Refractometer is an instrument capable of determining the refractive index nD and the average dispersion nF-nC of transparent and semi-tr...
Hot Selling Good Autorefractometros Opthalmic Auto Refractometer/keratometer Optical Instruments Xinyuan FA-6100 GR8905 Features: 1. 5.7 screen; 2. Auto & Manual mode optional Specifications: 1. Sph: 20D to ...
Introduction to Automatic Polarimeter An optical rotation meter is an instrument for measuring the optical rotation of substances. Through the measurement of optical rotation, one can analyze and determine the ...
... pink lab grown diamonds with official certificate from the International Gemological Institute (IGI). The world's largest independent laboratory for testing and grading gemstones and fine jewelry. Produ...