Specifications

Gem refractometer is the most important and precision tool of gem identification, it can measure the refractive index fast.

1. High hardness CZ test prism

 

2..Scale range:1.35-1.81,  Acurracy:0.002 .

 

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

 

4.There are two ways of inputing the voltage:2x AAA batteries and DC3V direct current suplyAC100—240V).                

                                                                                                 

5.. Appearance: white aluminum alloy;

 

 

6.. Package: one set in a color box;

 

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

 

Accessories:

 

1. 2x AAA batteries;

 

2. 2ml refringent oil;

 

3. power adapter.