The Presidium Carat Scale is the latest innovation of carat weighing technology,  utilizing Advanced Circuitry Design and SurfaceMount Technology (SMT).  The only portable carat scale that is certified "Legal for Trade" in the market, it promises reliability and consistency for long period of continuous usage.  Designed specially for jewelry traders on the move by the leading maker of gemological instruments, its compact size and rugged build allow for easy-to-travel usage and durability. Combining precision accuracy and compact designing, it is the perfect scale for all jewelers.