Presidium Gem Tester / Colored Stone Estimator (PGT/CSE)
A light and portable instrument that instantly identifies diamonds and most colored gemstones based on their thermal properties, from the brand Presidium.
Presidium Gemstone Tester / Colored Stone Estimator is the only colored gemstone thermal tester in the industry.
It provides a quick and easy way to identify diamonds and separate common colored gemstones from one another based on their thermal conductivity.
Coated gemstones can also be generally tested with the PGT/CSE.The Presidium Gem Tester / Colored Stone Estimator has a retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results.
With the industry’s thinnest probe tip size of 0.6mm, PGT/CSE tests diamonds as small as 0.02ct.
*Does not differentiate between natural and synthetic colored gemstones.
Features
Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone
Industry’s thinnest probe tip (0.6mm) for testing diamonds as small as 0.02ct
Metal alert buzzer to ensure that probe tip is in contact with gemstone during testing
Clear and easy-to-read analog dial
Multi-colored gemstone display
No waiting time between tests
Built-in diamond and simulant test discs for reference
Powered by 2 x AA batteries or adaptor
Leather carrying case included
Dimensions and Weight
Length: 165mm (6.5 inches)
Width: 77mm (3.03 inches)
Height: 77mm (3.03 inches)
Weight: 260g (without battery)
Weight: 272g
Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone
Industry’s thinnest probe tip (0.6mm) for testing diamonds as small as 0.02ct
Metal alert buzzer to ensure that probe tip is in contact with gemstone during testing
Clear and easy-to-read analog dial
Multi-colored gemstone display
No waiting time between tests
Built-in diamond and simulant test discs for reference
Powered by 2 x AA batteries or adaptor
Leather carrying case included
Dimensions and Weight
Length: 165mm (6.5 inches)
Width: 77mm (3.03 inches)
Height: 77mm (3.03 inches)
Weight: 260g (without battery)
Weight: 272g
Benefits
Identifies diamonds and most colored gemstones
Tests both polished and unpolished gemstones
Tests gemstones as small as 0.02ct
Consistent and reliable results every time
No waiting time between tests
Clear and visible display for ease of reading measurements
Simple and easy to use
Light and portable tester that can be used anywhere
Power and Battery
5 x AA batteries (approximately 4 hours of continuous use)
AC adaptor 120 / 230 volts (standard item provided by Presidium)
Measurement Range
0.02 carat and above
Operating Conditions
Operating temperature: 18°C-27°C (65°F-80°F)
Storage temperature: 34°C-51°C (30°F-125°F)
Package Contents
Presidium Gem Tester / Colored Stone Estimator
Probe pen
Colored gemstone display
Built-in test simulant discs
AC adaptor
User handbook and instructions in attached documents.
Warranty card
Leather carrying case