Portable Jewellery Diamond Tool With built-in Battery Gemological GIA Testing Instrument Gem Refractometer
Our Price:$395.00
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Portable Jewellery Diamond Tool With built-in Battery Gemological GIA Testing Instrument Gem Refractometer
Features:
Professional optical design for clear shadow boundaries.
Frosted aluminum alloy table, corrosion-resistant.
Built-in quasi-monochromatic LED light source.
Includes 2ml bottle of refractive index liquid (1.78±0.005).
Refractive index liquid can be stored in a designated slot on the lid.
Comes with a polariscope, stored in a side bracket.
Test Conditions:
Temperature: Room temperature (5-35°C)
Humidity: ≤75%
No corrosive gases (e.g., acids, alkalis) in the environment.
Specification:
| Testing range | 1.35-1.85 |
| Accuracy | ±0.003 |
| Power | AAA batteries or 3V DC |
| Color | Black |
| Testing table | Frosted aluminum alloy table |
| Light | Monochromatic LED light |
| Weight | 1KG |
| Size | 120mm*42mm*80mm |
| Testing prism | Synthetic cubic zirconia |
| Power supply | Two No. 7 batteries or externally connected |
| Wide voltage | Input voltage 100V-240V, output voltage DC 3V |
| Eyepiece | Diameter of 32mm, with amplification function(4X) |
| Prism size | 14mm×5mm |
| Metal table size | 37mm×68mm |
| Scale | 0.01 |
| Warranty | One year |
| Package | One set |
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