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Gemstone Refractometers

For the determination of the refractive index, quality control and categorization of gemstones. The A.KRÜSS Optronic table refractometer gives exceptionally crisp, sharp readings and a large field of view. Supplied with polarizing filter and eyepiece magnifier

ER6010 A compact professional refractometer for the determination of the refractive index of gemstones. Gem refractometer with LED illumination, without polarizing filter.   Detaylar-->>>

ER6012 A compact professional refractometer for the determination of the refractive index of gemstones. Gem refractometer with polarizing filter, without LED illumination. Detaylar-->>>

ER6040 Standard gem refractometer with LED illumination, without polarizing filter.   Detaylar-->>>

ER6042 Standard gem refractometer with polarizing filter, without illumination.   Detaylar-->>>

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