External Monochromatic Yellow Light Gem Refractometer, Gemological

MSRP: $199.99
$93.99
(You save $106.00 )
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Weight:
13.00 Ounces
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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 

Polarizing Filter

Monochromatic Light Filter

Flashlight Light source(Operate with 1 AA battery)

Refractometer Index Reference List 
(For 77 common gemstones, i.e. Calcite, Jadeite, Quartz etc.)