A convenient digital gauge that measures actual gemstone dimensions and estimates gemstone weight and identity.Presidium Gemstone Computer Gauge measures the dimensions and estimates the weight of loose and mounted gemstones with precision, speed, and ease. After entering the weight and the measurements of a gemstone, PGCG narrows its identity by computing its S.G. value.
With this Presidium computer interfacing, gemstone measurement records can be easily imported and printed. The Presidium Computer Gem Gauge also comes with a CD-Rom that lists the S.G. value, R.I. value, and hardness measurements of 133 common gemstones in the market for handy reference.
This gauge features
Measures from 0.0 to 25.0mm
Accuracy: 0.01mm / Tolerance: 0.02mm
Digital mm/ct display
Automatically shut off when idle for 10 minutes
Auto-magnetic shut-off when placed in carrying case
Computer interface display with CD and USB (Universal Serial Bus) connectivity
Attachment for high setting jewellery provided
Specific Gravity (S.G.) dictionary for quick and easy reference included CD-ROM containing information on 133 gemstones (e.g., S.G. value, R.I. value and hardness) included