Gemstone refractometer ER605
453,39 €
incl. VAT
+ Shipping costs
Compact gemstone refractometer with good optical equipment and LED. For measuring the refractive index and checking the authenticity and quality of stones
Availability: In stock
Delivery time: in 3-6 days (EU) 5-21 days (world)
Description
Compact gemstone refractometer The ER605 refractometer is a solid, high-quality refractometer for measuring the refractive index. The image quality of the measurement results is good to very good. This refractometer is ideal if the refractive index is to be measured in the normal volume or if it is carried out as an additional investigation. Technical details: ■ Gemstone refractometer with polarization filter ■ Measuring range: 1.33 – 1.81 nD ■ Includes an integrated LED with a wavelength of 589 nm ■ Prisms made of optical glass with a resolution of 0.01 nD ■ Housing: cast aluminium ■ Dimensions (W×H×D): 32 mm x 60 mm x 110 mm ■ Weight: 328 g Practical examples of investigations with the gemstone refractometer and for determining the refractive index of gemstones, can be found in the application article: Using the refractometer to determine gemstones Background knowledge on the use of refractometers can be found in the refractometry methods article.
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