Specifications

It is very important tool for identification of diamond.
easy to read out the refractive index.

It is very important tool for identification of diamond. 
easy to read out the refractive index. 

1. High hardness CZ testing prism;

 

2. With big eyepiece for easy read out the RI;

 

3. Measuring Range: 1.35 -1.85 RI;

 

4. Accuracy: ≤±0.003;

 

5. Two ways power supplies: 2x AAA batteries and 3V DC with world wide 100-240v;

 

6. Appearance: white aluminum alloy;

 

7. Package: one set in a color box;

 

Accessories:

 

1. 2x AAA batteries;

 

2. 2ml refringent oil;

3. power adapter.