Gem Refractometer RGM900

This RGM-900 is a professional model for issuing the certificate for gemstones.
It is most popular used om labs and jewellery insitutes and it is the first choice
for issuing certificates for gemstones!

This model can be precisely determined  in accordance with the measured value of refractive index
because every kind of gem has its inherent refractive index. Besides, index of double of refraction can be also measured. Through the parameter you can judge whether a gem is uniaxial or biaxial
photopositive or photonegative. The gemological refractometer is characterized by small volume and
less weight. It is easy to carry. It is popular instrument used on jewelry market.

Specification:

Range: 1.30-1.81RI
Minimum Division: 0.01 RI
Accuracy: ±0.02 RI

Optional:
Customers also can use the 5LEDs light source as its testing light source!