Highlights

  • For gemstones research
  • Portable, accurate and fast
  • With dedicated optical filter 590 nm
  • Unit in RI
Models
Specifications
Accessories

Gemological refractometer

Identification of precious stones 

MODEL Range Accuracy Remarks ATC Table instrument Analog  
ERF‑6381 1.30 - 1.81 R.I. 0.01 R.I. With filter 590 nm • • •  

GEMSTONES
•  Gemmological refractometers are key instruments for research in gemological laboratories
•  This table refractometer has been designed specifically for determination of precious stones based on refraction index measurement. Contains a 590 nm filter for generation of monochromatic light

APPLICATION
Identification of precious stones

RF.5385 ERF-5385
Refraction-fluid, index 1.765 for ERF-5381 and ERF-5382. 5 ml