GemLED refractometer
Innovative gemstone refractometer with built-in LEDs for mains and battery operation.
excl. VAT from €967.00
incl. 19% VAT. from €1,150.73
Available, delivery time: 1-3 days
Product number:
GLD 0.01
Product information "GemLED refractometer"
- Refractometer contact liquid ND 1.79 and polarization filter included. ND 1.81 liquid optional.
- Refractive index: nD 1.30-1.81, scale division 0.01 for easy, direct and accurate reading
- Monochromatic illumination with high-intensity LEDs 589nm of the sodium D wavelength, arranged directly on the refraction element within the refractometer housing, for a sharp and high-contrast image of the shadow lines on the refractometer scale
- Eyepiece with wide field of view for comfortable reading of the scale. The optically corrected precision eyepiece is screwed in or out to focus the scale
- Polarization filter is placed on the eyepiece and rotated during reading. It is the most important accessory of the refractometer for determining the single/birefringence of gemstones
- External battery pack for AA size included
Refractive element:
- Large support surface of 5 x 11 mm.
- Made of SCHOTT/ ZEISS La SF colorless high-end glass.
- Very resistant to scratches and chemicals.
Plug-in power supply 240V-100V / 50-60Hz