Shanghai Total Industrial Co., Ltd.

Gem Filter, Gem Gauge, Ruby Filter manufacturer / supplier in China, offering Digital Gem Refractometer, Optical Fiber and Power Cable Hanger, Optical and Power Cable Clamps, Optical Fiber & Power Cable Hanger, Optical and Power Cable Clamps and so on.

Digital Gem Refractometer

FOB Price: Get Latest Price
Min. Order: 1 Piece
Payment Terms: L/C, T/T, Western Union, Paypal

Basic Info.

Model NO.:DGR800
Trademark:total

Product Description

The Digital Gem Refractometer 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.

Refractive Index of Some Gemstone:

Quartz: 1.544-1.558 RI

Topaz: 1.63-1.64 RI

Ruby: 1.74-1.78 RI

Cubic Zirconia (CZ): 2.15-2.18 RI

Diamond: 2.37-2.46 RI
Specification:
RI Test Range:1.30 to 2.99RI
Power Input: 9V Battery

Accuracy: +/-0.01 RI
Work Tempreature: 25-28ºC

Standard delivery:

Digital refractometer: 1pcs

Clean cloth: 1pcs

Standard stone sample (1.4875 RI): 1pcs

Standard stone sample (1.7552RI): 1pcs

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Shanghai Total Industrial Co., Ltd.

- Shanghai, China
- Manufacturer/Factory

Gold Member Since 2006
Audited Supplier