External Monochromatic Yellow Light Gem Refractometer, Gemological
- 13.00 Ounces
- Free Shipping
Portable refractometer with easy to read viewer and scratch resistant lense with a rugged metal black or silver case. Measures Refractive Index (RI) from 1.3 to 1.81. 15mm eye piece and polarizing filter.
Refractometers are tested for calibration at the factory, and again by us before we ship them to you.
Minimum division: 0.01
Accuracy +/- 0.02
Size: 115 x 35 x 63 mm
Weight: 12 oz
Includes protective carrying case
Instructions for use
Monochromatic Light Filter
Flashlight Light source(Operate with 1 AA battery)
Refractometer Index Reference List