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The custom-designed microprocessor delivers a nearly instantaneous readout of glycerin concentration or freeze point
We recommend that you try to get used to thinking in terms of salinity and use the salinity readings on the Refractometer as this is the scale that is calibrated against the refractive index standard
not plastic like some other units in the marketplace
Range: 0 to 100
We give these units a 2 year warranty
Gem Refractometer Gemology Gemologist RGM-100 w/ 789nm Flashlight RI 1.800 Ade Advanced Optics The custom-designed microprocessor delivers aItem Description: RGM 100 Portable Gemological Refractometer with a flashlight COMES WITH 10 Gram Vial (1. 8ml) of 1. 800 Index Fluid Comes with instructions! Written by our staff, not converted from another language! Comes with a Gemstone Refractive Index Chart! Comes in a black zipper case! Product Specs: Measuring Range : 1. 30 1. 81 RI Minimum Graduation : (RI) 0. 01 RI Dimension : 125mm x 70mm x 40mmScale Division : 0. 01 nD Weight : 0. 4 kg
US$ 78.00
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US$ 110.00