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GemLED Refractometer

Innovative gemstone refractometer with build-in LED-illumination for mains and battery use and to dock at Modul 1 of the Gemmodul Instrument Series. From the inventor of patented  monochromatic LED-illumination, integrated in the refractometer

GemLED Refractometer

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Availability: available, ready for dispatch

Delivery time: 1-3 days

Order Code: GLD 0.01

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Product Description

  • Refractive Index: ND 1.30-1.81 of wide viewing field. Delineation 0.01 for simple direct reading and accuracy.
  • LED 589nm true sodium wavelength illumination directly on the refractive glass element inside the refractometer case, providing sharp pictures of high contrast on the refractometer-scale.
  • Viewing and reading the scale is easy and comfortable. The precisely manufactured and optically corrected eyepiece slides in/out for focusing the scale.
  • Polarizing filter to be placed on eyepiece for rotation when observing. The outmost important reading tool of the refractometer for detection of single/double refraction of gems.
  • Includes portable battery power pack (AA size) to supply power independently from mains.

Refractive glass element:

  • Wide size of 5 x 11mm (0.2 x 0.45")
  • Made of SCHOTT/ ZEISS La SF colourless high-end glass.
  • Resistant to scratching and chemicals.