Gem Portable Refractometer with RI Liquid

Gem Portable Refractometer with RI Liquid

Specification:

1. Measuring Range: 1.35 -1.85 RI;

2. Accuracy: ±0.003;

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

4. Appearance: white aluminum alloy;

5. Package: one set in a color box;

Accessories:

1. 2x AAA batteries;

2. 2ml refringent oil;

3. power adapter.