0 003 accuracy gem refractometer

Brand Name:FABLE

Model Number:FGR-003

Place of Origin:Guangdong, China

...003 Accuracy Gem Refractometer Gem refractometer is the most important professional tool for identifing gem stones.It can test the gem refractive index easy,fast,and without spoilage,it can also test the gemstones’ luster Model number: FGR-003 Type Testers & Measurements Testing scale 1.35-1.85 Accuracy 0.003...

Place of Origin:China

Brand Name:CNOEC, OPTO-EDU

Model Number:A24.6321

...Gem Refractometer High Hardness CZ Test Prism A24.6321 Professional Optical Design, High Hardness CZ Test Prism, Clear Shadow Boundaries, Special Power Supply A24.6321 Gem Refractometer A B C Scale Range 1.35-1.85, Hard CZ Measuring Prism Accuracy ≤± 0.003...

Brand Name:FZLink

Model Number:RHG-181

Place of Origin:FuZhou China

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 eyepiece and a high quality lens that gives ...

Brand Name:VANCO

Model Number:FGR-003

Place of Origin:CHINA

... 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 whether a stone with single or double refracting by