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Digital Gemstone Refractometer, Jewelry Tester Identification Tool, Measurement Error: ±0.005 / Accuracy: 0.001 / Refractive Index 1.300-3.000, for Jewelry, Jade
4.8 (75 items)
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US$136.19 cheaper than the new price!!
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Used US$90.80
Product details
| Management number | 219288761 | Release Date | 2026/05/03 | List Price | US$90.80 | Model Number | 219288761 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- 【Premium Construction Materials】Crafted with hard aluminum alloy for scratch-proof work platforms, this instrument delivers robust structural integrity. Enhanced with ABS engineering plastic power controls and triple-layer internal insulation, it ensures secure protection against electrical hazards
- 【Essential Gem Identification Instrument】As a cornerstone tool for jewelers, it performs non-destructive refractive index measurements (range: 1.300-3.000) with speed and precision. Critical for verifying gemstone authenticity through optical properties
- 【Simplified Testing Procedure】Requires no refractive oil—simply position the gem’s measurement facet against the platform. Instantly determines crystal structure (uniaxial/biaxial) based on light behavior
- 【Total Internal Reflection Technology】Utilizes fundamental optical principles where refractive index values serve as definitive indicators for material identification. Each reading provides reliable gem characteristic data
- 【Comprehensive Material Compatibility】Accelerates identification for single/double refractive gems, diamonds, and colored stones. Engineered for solid materials requiring refractive index verification
| Item Weight | 2.2 pounds |
|---|---|
| Part Number | 84912323 |
| Manufacturer | TBANVOO |
| Item model number | esdfv2-849123 |
| Batteries Required | No |
| Package Dimensions | 3.94 x 3.94 x 3.94 inches |
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