Specifications

Refractomer is the most imporant and precision tool of gem identification,it can measure refractive index fast.

1.High hardness CZ test prism

2.Scale range:1.35-1.81                   

3.Accuracy:0.002  

4.Working table:Stainless steel table.     

5.By advanced optic system,shadow edge is straight and sharp,easy to read                                                                   

 

 6.2ml refractive index Liquid(1.78±0.005) with unique design of the bottle(Proprietary technology ZL200620096730.7)   

7.Adjustable  light brightness by switch                                 

8.It is much safer ,much ecnomical and more convinent.