FGR-002 Refractive Index For Jewelry and Gem With Testing Range of 1.35 - 1.85 With 0.02 nD Scale Division Refractometer
Fable Jewelry and Gem Refractometer with Testing Rang of 1.35 - 1.85(FGR-002)
Specification:
| Type | Gem & jewelry tools |
| Testing scale | 1.35-1.85 |
| Accuracy | 0.002 |
| Color | White |
| Weight | 33g |
| Size | 140mm*42mm*95mm |
| Warranty | One year |
| 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 |
Professional optical design, shadow boundary super straight and clear;All stainless steel table, corrosion resistant, easy to clean;Built-in quasi-monochromatic LED light source;Wavelength: about 589.5nm,
Equipped with a polarizer, a bottle of refraction oil;
2ml refractive index Liquid(1.78±0.005) with unique design of the bottle(Proprietary technology ZL200620096730.7) ,Pressure refraction oil bottle design, overcome the traditional oil bottle is fragile, easy to spill, difficult to control the drop and other defects, use more safe, economic, convenient;
Test conditions: Temperature: room temperature: 5-35℃, humidity: ≤75%, no acid, alkali and other corrosive gases in the room;
Metal table size: 37mm×68mm
Package: one set in a gift color box
