PRESIDIUM Dial Gauge, User Handbook Manual, Page: 6 / 84

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III. About your Presidium Dial Gauge (PDG)
The Presidium Dial Gauge is an easy-to-use analog
gauge for measuring round brilliant cut stones with
accuracy to 0.05mm. It features a clear display with
readings in mm/ct/ring size.
The Presidium Dial Gauge features the following:
• Instantly converts millimeter readings to carats
• Measures from 0.00 to 23.00mm
• 0.05mm instrumental error, with simple zero
realignment
• 0.1mm and/or 0.04 ct increments
• Analog gauge with mm/ct/ring size display
• Patented anvil
• Smooth slider mechanism
• Portable and lightweight
• Compact protective case included
• Auto-magnetic power off when placed in carrying case
Product specifications:
• Measurement range:
o Gemstone (mm): 0.00mm to 23.00mm (0.1mm
increment) - 1 revolution equals 10mm
o Gemstone (carat): 0.01ct to 3.65ct (0.04ct
increment)
o Ring size (US size): Size 2 to Size 13
• 0.05mm instrumental error
• 0.10mm and/or 0.04ct increments
Included in your package:
• Presidium Dial Gauge
• High setting jewelry attachment
• Presidium Gemstone Weight Estimation Table
• User handbook
• Warranty card
• Plastic carrying case