Gemological Equipment
1.35-1.85 Jewelry Equipment Digital RI Refractive Index Flashlight Gem Refractometer
- Built-in Quasi-monochromatic LED Light Source
- Frosted aluminum alloy table, Corrosion Resistant, Easy to Clean
- Optical Design, Shadow Boundary Super Straight and Clear
Professional Portable Digital Gem Refractometer with 0.02 nD Scale Division Gemological Refractometer
- Built-in Quasi-monochromatic LED Light Source
- All Stainless Steel Table, Corrosion Resistant, Easy to Clean
- Optical Design, Shadow Boundary Super Straight and Clear