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Fable Gem Refractometer with high Accuracy 0.002

Gem Refractometer
Jun 16, 2021
Jewelry Optical Equipment With 0.002 Accuracy With Polarizing Lens Gem Refractometer
FGR-002A

★High hardness CZ test prism
★Scale range:1.35-1.85
★Error: ≦±0.002
★Stainless steel table,easy to clean
★By advanced optic system,shadow edge is straight and sharp,easy to read
★There are two ways of inputing the voltage:2 xAAA batteries and DC3V direct current suply(AC100—240V).
★2ml refractive index Liquid(1.78±0.005) with unique design of the bottle(Proprietary technology ZL200620096730.7)
★Adjustable light brightness by switch
★It is much safer ,much ecnomical and more convinent.
Package: gift carton box packing

http://mao.tradegrowthhub.com/test/gemtestinginstruments.com/sale-13548863-jewelry-optical-equipment-with-0-002-accuracy-with-polarizing-lens-gem-refractometer.html
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