Gem Refractometer with accuracy of 0.002 and Net Weight of 1KG

Specification:

With CZ testing table.
1. Scale rang: 1.35-1.81;
2. Accuracy: 0.002;
3. Weight: 1 kg;
4. Table: Stainless steel;
5. Two ways of power supply:2x AAA batteries and 3V DC;
6. Durable CZ testing Prism;
7. Built-in Monochromatic LED light;
8. Large visual field and easy to read.
9. Package: Color box package.
Accessories:
1. 2ml refringent oil;
2. power adapter;
3. 2x AAA batteries;
4. eyepiece.
Package: color box.