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Gem Refractometer with Built-in LED (1.30~1.81 RI)

  • SKU: RM-101
  • Price: US$90.60

  • Will be shipped within 2 working days
    Quantity: Unit(s)

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    Brief Description

    Each gem has a typical refractive index due to its chemical composition and crystallization structure. The gem refractometer can be used to observe the optical properties and the structure of a gemstone. Through the parameters you can judge whether the gem is an anisotropic or isotropic stone. The stone needs a flat and polished facet. FULL SCALE Contact Liquid (RI Fluid) is also needed when testing.

    This Gem refractometer is a compact refractometer with built-in LED illumination for the determination of the refractive index (RI), quality and categories of gemstones.



    • -Wide Measuring range: 1.30 ~ 1.81 RI
    • -High Accuracy: 0.01 RI
    • -Built-in LED illumination
    • -Polarizing filter
    • -A bottle of 2ml FULL SCALE refractive index (1.81 RI) oil



    • -Accuracy: 0.01 RI
    • -Illumination: Built-in LED illumination with on/off switch
    • -Measuring range: 1.30 ~ 1.81 RI
    • -Scale division: 0.01 RI
    • -A bottle of 2 ml FULL SCALE refractive index (1.81 RI) oil (included)
    • -Filter: Polarizing filter
    • -Power source: 1 x CR2032 button cell battery (Not included)
    • -Item size: approx. 30 x 70 x 130 mm
    • -Item weight: approx. 400g


    One Set Included

    • -1 x Gem Refractometer (main unit)
    • -1 x 2 ml FULL SCALE refractive index (1.81 RI) oil
    • -1 x instruction manual
    • -Carrying pouch with white box

    RISE_Gem Refractometer_GML_501_main(0).jpg

    RISE_Gem Refractometer_GML_501_LEFT(0).jpg



    RISE_Gem Refractometer_GML_501_HOLD(1).jpg

    RISE_Gem Refractometer_GML_501_ALL(0).jpg

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