PRESIDIUM PGI - Features

The Presidium Gem Indicator (PGI) features the
following:
• Thermal conductivity testing of gemstones
• Color separation function with user input
• Clear quality OLED display screen
• Industry’s thinnest probe tip (0.45mm) for testing
gemstones as small as 0.02ct
• Retractable thermoelectric tip that maintains constant
pressure between probe tip and gemstone
• Patented replaceable probe tip technology, the ¿rst in
the industry
• Metal alert buzzer
• Fast warm-up time of 3 seconds
• Calibration disk for calibration at user’s discretion, to
ascertain accuracy
• USB connection to PC for more value-added functions
• Stylish ergonomic design
• Low battery alert
• Automatic power off after 10 minutes of inactivity
8