Gem Computer Gauge

The Presidium Gem Computer Gauge estimates the weight and identifies gemstones with much greater precision and consistency.

Another premium product from Presidium Instruments. The Gem Computer Gauge estimates the weight and identifies gemstones with much greater precision and consistency. Covers 74 gemstones and 9 different shapes. Auto-Magnetic Power-Off. Direct carat conversion for round brilliant cut diamonds. Weight computation either from direct measurement or through keypad entry. Universal Serial Bus interface with PC. CD Rom with user guide. Retrieve the specific gravity of a specific gemstone from the S.G. Dictionary by just entering the name of the stone. Identify an unknown gemstone by entering the measurement and weight.