PRESIDIUM DC709N, User Handbook Manual, Page: 7 / 138

The Presidium Duo Tester features the following:
• Retractable thermoelectric probe tip that
ensures constant pressure between probe tip and
gemstone
• Industry’s thinnest probe tip (0.6mm) for testing
gemstones as small as 0.02ct
• Metal alert buzzer to ensure that probe tip is in contact
with gemstone during testing
• Large easy-to-read analog dial and digital index LED
displays
• Built-in diamond and simulant test discs for reference
• Built-in simulant reflectivity chart
• Built-in simulant set for reference (optional item
provided by Presidium)
• Powered by 5 x AA batteries or AC adaptor
Included in your package:
• Presidium Duo Tester
• Probe pen
• AC adaptor
• Built-in simulant reflectivity chart
• Built-in test simulant test discs
• User handbook
• Warranty card
• Protective carrying case
• Built-in simulant set for reference (optional Item)
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