Digital Gem Refractometer GI-DG800

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Digital Gem Refractometer GI-DG800
Posting date : May 17, 2011
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Free Member Scince Jun 15, 2010
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MISCELLANEOUS | Optical ph
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Place of Origin
HS-CODE
90-
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Detailed 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. Specification: RI Test Range:1.30 to 2.99RI Power Input: 9V Battery Work Tempreature: 25-28’C
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