Digital Gemstone Refractometer for Jewelers

Refractive Index 1.400-3.000 nD | Reflective Index
 

1. Product Information

For jewelers, watchmakers, collectors!

The digital Gemstone refractometer is a professional measuring instrument for identifying and determining the quality of precious stones. With the digital equipment you can determine the value of the stone quickly and easily! The device is equipped with a display on which your readings are issued.

The refractometer requires for measurements no testing oil and no other contact liquid! To avoid contamination of your jewels, clothes and utensils and other measurements may be different stones within 30 seconds out!

(Digital Jeweler Refractometer)

Gem Digital Refractometer is gives you digital technology in pocket size instrument. It gives a quick and reliable differentiation of diamonds and colored stones from their many imitations. It is very easy to determine to gem series. Gem Digital Refractometer is a precision optical instrument which will give a reading of the refractive Index of a clean, flat, well-polished facet to reproducibility of 0.007 index units.

2. Technical Details / Specifications

• Refractive Index 1.4000 to 3.000
• Power Input: 9V Battery
• Working Temperature: 10-28 Degree

(gemological Refractometer)
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Comes complete with calibration stones, gem polishing cloth and straight forward operating instructions.