RHG181 Diamond Tester, 1.30-1.81 Jewelry Refractometer, Portable Gem Tester for All Stones Refractometry Testing Tools

Professional Manufacturing: The diamond tester is made of ABS material, which can be used for the gem is uniaxial crystal or biaxial crystal, low power consumption, and provide effective service while ensuring long term use
Widely Used: The gem tester is suitable for measuring the refractive index of ruby, sapphire, emerald, emerald, tourmaline, crystal, diamond, zircon and other gems and solid materials

Features:

1. Specially designed for measuring the refractive index of gemstones and solid materials.

2. Lightweight and compact, easy to carry.

3. This refractometer features high accuracy and easy operation.

4. Identify single and double gems quickly and precisely.

5. Low battery consumption for long service time.

6. Approved by strict quality and safety standards for a long term use.
Specification:
Condition: Brand New
Item Type: Refractometer
Material: ABS
Refractive Index Range: 1.30 - 1.81 RI
Color: As Pictures Shown
Size: Approx. 13 * 6 * 3.5 cm/ 5.1 * 2.4 * 1.4 inch
Weight: Approx. 721g
Package List:
1 * Refractometer
1 * Electric Torch (Powered by 1 * AA battery which is NOT included) )
1 * English Manual
1 * 3 ML Reflective Index Fluid
Note:
Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind
before ordering!

1.
Reading standard: The eyepiece needs to be adjusted to the clearest number and the shading line scale.

2. The touch surface of the measuring item must be flat, and the diameter is more than 2mm.