Built-in Monochromatic LED Light Jewelry Refractometer with More Accuracy of 0.002
Model: FGR-002A
Specification:
Type | Gem & jewelry tools |
Testing scale | 1.35-1.85 |
Accuracy | 0.002 |
Color | White |
Weight | 390g |
Size | 140mm*42mm*95mm |
Power supply | 2x AAA batteries and 3V DC with world wide voltage 100-240v |
Light brightness | Adjustable |
Testing table | Hardness CZ |
Warranty | One year |
By advanced optic system,shadow edge is straight and sharp, very easy to read the refractive index clearly
With 2ml refractive index Liquid(1.78±0.005) with unique design of the bottle(Proprietary technology ZL200620096730.7)
Appearance: white aluminum alloy;
Package: one set in a gift box.