![GemLED Refractometer With M7 Docking Station](http://www.dynagem.co.uk/cdn/shop/products/ModulM7-5_681x700.jpg?v=1602690417)
GemLED Refractometer With M7 Docking Station
or from
£1095.00
today & 5 weekly interest-free payments of
£120.00
with
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Refractometer contact liquid ND 1.79 and polarization filter included.
- Refractive index: nD 1.30-1.81, scale graduation 0.01 for an easy, direct and accurate reading
- Monochromatic illumination with powerful 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 a wide field of view for comfortable reading of the scale. The optically corrected precision eyepiece is screwed in or out to focus the scale
- The polarization filter is placed on the eyepiece and rotated when reading. It is the most important accessory of the refractometer for determining the single/double refraction of gemstones
- External battery pack for AA size included
- The large support surface of 5 x 11 mm.
- Made from SCHOTT / ZEISS La SF colourless high-end glass.
- Very resistant to scratches and chemicals.
- 240-220V / 50-60Hz
- 120-100V / 50-60Hz
- Power supply and stand for GemLED refractometers
- Dimmer for regulating the LED light intensity
- Fixed position of the refractometer by means of a magnetic plate or holding plug