Presidium Gem Computer Gauge

A convenient digital gauge that measures actual gemstone dimensions and estimates gemstone weight and identity.

Presidium Gem 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 PGCG's computer interfacing, gemstone measurement records can be easily imported and printed. PGCG 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 refernece.

Dimensions and Weight

• length: 97mm (3.82 inches)
• Width: 61mm (2.4 inches)
• Height: 16mm (0.63 inches)
• Weight: 120g (without battery)

Power and battery

• 1 x CR-2450 3V battery (about 80 hours of continuous use)

Measurement range

• 0.00mm to 25.00mm or 0.000ct to 57.343ct* (based on round brilliant cut)

Package contents

• Presidium Gemstone Computer Gauge
• CR-2450 3V battery
• High setting jewellery attachment
• Mini CD-ROM
• USB cable
• User handbook
• Warranty card
• Protective box