PresidiumÂA® Gem Computer Gauge

AUTO-MAGNETIC SHUT-OFF
Auto-magnetic shut-off to save power when placed in carrying case.
This power-saving feature is immediately activated when the gauge is placed in its carrying case.

S.G. Dictionary
Retrieve the specific gravity of specific gemstone directly from the
S.G dictionary by just entering the name of the stone.

Gemstone estimator
Identify an unknown gemstone material by entering the measurement and weight.

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Size : L-970mm x W-610mm x T-160mm