Professional Portable Digital Gem Refractometer with 0.02 nD Scale Division Gemological Refractometer
Professional Gemological Refractometer, All stainless steel table, Accuracy: ±0.002
Features
- Built-in Quasi-monochromatic LED Light Source
- All Stainless Steel Table, Corrosion Resistant, Easy to Clean
- Optical Design, Shadow Boundary Super Straight and Clear
Tags: Gemological MicroscopesGemological Equipment
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1.35-1.85
0.002
FGR-002 is a professional gemological refractometer which adopts with optical design, shadow boundary super straight and clear. All stainless steel table, corrosion resistant, easy to clean; Built-in quasi-monochromatic LED light source;
Equipped with a polarizer, unique refracting oil bottle design, overcome the oil bottle easy to spill and fragile, more safe, economic, convenient; 2ml refractive index Liquid(1.78±0.005) with unique design of the bottle.
The Views of FGR-002
The Power Port of FGR-002
The Dimension of FGR-002
Specification for FGR-002 | ||
|---|---|---|
Type | Gem Equipment | |
Testing scale | 1.35-1.85 | |
Accuracy | 0.002 | |
Color | White | |
Weight | 390g | |
Size | 140mm*42mm*95mm | |
Power Supply | Two No. 7 batteries or externally connected wide voltage power supply adapters (input voltage 100V-240V, output voltage DC 3V) | |
Eyepiece | diameter of 32mm, with amplification function(4X) | |
Prism size | 14mm×5mm | |
Prism type | Synthetic cubic zirconia (CZ) testing prism | |
Metal table size | 37mm×68mm | |
Test conditions | Temperature | Room temperature: 5-35℃ |
Humidity | ≤75% | |
no acid, alkali and other corrosive gases in the room; | ||