Fable ювелирные изделия и драгоценный камень рефрактометр с испытательным диапазоном 1 35-1 85 испытательной призмой

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Характеристики

 

Fable Jewelry and Gem Refractometer with Testing Rang of 1.35 - 1.85(FGR-002J)

Available for inlaid gemstone, especially suitable for jewelry inspection

 

Specification:

 

1.Synthetic cubic zirconia (CZ) testing prism, measuring range: 1.35-1.85, accuracy: ≤±0.002;

2. 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,

3. Unique dual power supply device: Two No. 7 batteries or externally connected wide voltage power supply adapters (input voltage 100V-240V, output voltage DC 3V);

4. Equipped with a polarizer, a bottle of refraction oil;

5. 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;

6.Eyepiece: diameter of 32mm, with amplification function(4X) to help view the scale/reading clearly;

7. Test conditions: Temperature: room temperature: 5-35℃, humidity: ≤75%, no acid, alkali and other corrosive gases in the room;

8. Size: 140mm×42mm×95mm;

9. Prism size: 14mm×5mm

10. Metal table size: 37mm×68mm

11. Minimum scale: 0.01.

12. Package: one set in a gift color box