Product Description : 

Ideal for use in laboratories and gemology applications, the Precision Refractometer is a small and lightweight instrument. Its superior optics, scratch-resistant prism, and sophisticated optics system provide precise measurements with an accuracy of ±0.003 from 1.30 to 1.81 nd. It provides professionals with simplicity and dependability because to its sturdy aluminum alloy table and rechargeable design with USB connectivity.

Dimensions	130 x 70 x 30 mm
Weight	400 g
Applications	Laboratory & Gemology
Resolution	0.01 nd
Accuracy	0.01 nd
Range	1.30 ~ 1.81 nd

Features :

• High-quality Optical Scratch-resistant Synthetic Cz Prism.
• Bigger Eye-piece 32mm For Easy & Quick View. 
• Aluminum Alloy Table Which Is 45mm Thick.
• An Advanced Optics System, Shadow Edge Is Straight And Sharp, Easy To Read It.  
• In-built Narrow Bandwidth Monochromatic Led Light.
• Rechargeable With A Usb Cable.
• Hard Cube Zirconia Measuring Prism.
• Scale Range:1.30-1.81.Accuracy: ±0.003,
• High Quality Optical Scratch Proof Glass.
• Aluminum Alloy Table Which Is 45mm Thick.