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Jewelry Tools & Equipments

Digital Gemological Refractometer

Unit Price:
US $196.91 - 197.94 / piece
Min. order: 50 pieces
Wholesale Price:
Quantity (piece) Price (Per piece) Processing Time
50 - 70 $197.94 20 Days
71 - 210 $196.91 20 Days
211 - 350 $196.91 20 Days
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Supplier Details
Zhangzhou Sino Science & Technology Co., Ltd.
China (Mainland) (Fujian)
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  • Verified Member
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Guiyu Zhu Contact Person
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Description
Place of Origin:
Fujian China (Mainland)
Brand Name:
Sinotech
Model Number:
GDR800
Jewelry Tools & Equipments Type:
Testers & Measurements

The Digital Gem Refractometer GDR800 is a nice optical instrument which will give a reading of the refractive index of a clean, flat, well-polished facet to reproducibility of 0.007RI index units. With covering the full range from 1.30 to 2.99RI, It is an ideal instrument to identify the gem stones. The importance is that it can test the gem stones without requiring ANY messy, damaging contact oil.


Specification:
RI Test Range:1.30 to 2.99RI
Power Input: 9V Battery
Work Tempreature: 25-28oC

Refractive Index of Some Gemstone

Quartz: 1.544-1.558RI

Topaz:  1.63-1.64RI

Ruby:  1.74-1.78RI

Cubic Zirconia : 2.15-2.18RI

Diamond: 2.37-2.46RI

Packaging Details
Unit Type:
piece
Package Weight:
1.0kg
Package Size:
1cm x 1cm x 1cm
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