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$Sinotech Digital Gem Refractometer Gdr800$

Sinotech Digital Gem Refractometer Gdr800

Name: Sinotech Digital Gem Refractometer Gdr800
Brand: Sinotech
SKU: 74717773
Price: 1261.49 USD
Availability: InStock

Product ID: 74717773

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$1261.49

Duties & taxes included

In stock

Sold byAmazon Northern Mariana IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

RI Test Range:1.30 to 2.99RI
Work Tempreature: 25-28C
Quartz: 1.544-1.558RI
Topaz: 1.63-1.64RI
Ruby: 1.74-1.78RI

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 st1s. The importance is that it Can test the gem st1s 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 Gemst1 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 With Covering The Full Range From 1.30 to 2.99RI, It Can Test The Gem St1s Without Requiring ANY Messy, Damaging Contact Oil.

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