Presidium Reflectivity Meter
Presidium Reflectivity Meter is backordered and will ship as soon as it is back in stock.
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Designed to identify polished gemstones, Presidium Reflectivity Meter measures the quantity of light reflected through the gemstone in order to provide an instant reading of its reflective index.
PRM includes a built-in Reflectivity Chart Listing for the most common gemstones for immediate reference. It can be used without a thermal conductivity tester.
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