The RHG-181 Gemstone Refractometer is a portable optical instrument designed to measure refractive indices from 1.30 to 1.81, enabling fast identification of gemstone types, differentiation between natural, synthetic, and treated stones, and analysis of optical properties such as birefringence and crystal orientation—making it a practical tool for jewelers, gem traders, and inspection agencies.
Specifications
| Measurement Range | Resolution | Dimensions | Weight |
| 1.30-1.81 | 0.01 | 30*70*130mm |
0.4kg
|
Product Description
The RHG-181 Gemstone Refractometer is a practical optical instrument for measuring the refractive index of gemstones and solid materials within the range of 1.30 to 1.81. Designed for fast and accurate gemstone identification, it enables users to distinguish between natural, synthetic, and treated stones, while also analyzing optical characteristics such as birefringence, crystal type, and optical sign.
With its compact size and straightforward operation, the RHG-181 is widely used by jewelers, gem traders, appraisal professionals, and quality inspection agencies for both field and laboratory applications.
The RHG-181 Gemstone Refractometer is a portable optical instrument designed to measure refractive indices from 1.30 to 1.81, enabling fast identification of gemstone types, differentiation between natural, synthetic, and treated stones, and analysis of optical properties such as birefringence and crystal orientation—making it a practical tool for jewelers, gem traders, and inspection agencies. Specifications Measurement Range Resolution Dimensions Weight 1.30-1.81 0.01 30*70*130mm 0.4kg
Details
The gem polariscope is a non-destructive optical tool used to identify gemstone authenticity, distinguish between isotropic and anisotropic materials, and analyze optical properties such as refraction type, axiality, and optical sign.
Details
The RHGX Gem Magnifier is a precision optical instrument designed for detailed observation of gemstone inclusions, surface features, and treatment indicators, widely used in gem identification, appraisal, processing, and quality inspection. - Magnification Range: 10X–80X total magnification for detailed inspection at varying levels. - Field of View Diameters: φ18, φ15, φ6, φ5, φ4, φ3 mm for different magnification settings. - Dimensions / Weight: 28 × 18 × 36 cm; 6.1 kg – suitable for desktop lab or appraisal use.
Details
Address : Fuzhou, China
Call Us: +86-13675056417
Email: shawnlin@refractometer.com.cn
IPv6 network supported
