Zak Jewelry Tools

Presidium® Diamond Mate A

The Presidium® Diamond Mate Tester (PDMT) 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, PDMT tests diamonds as small as 0.02ct. Test results are instantly indicated by an LED light and continuous audible beep.

  • Retractable thermoelectric probe tip for enhanced accuracy 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 stone during testing.
  • No waiting time between tests.
  • Clear and easy-to-read LED display.
  • Rechargeable batteries.
  • Low battery indicator.
  • Low battery consumption.
  • Verifies authenticity of diamonds instantly.
  • Tests both polished and unpolished gemstones.
  • Tests diamonds 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 for convenience.
  • Comes with protective carrying case.
  • PDMT-A: 3 x AAA alkaline batteries (approximately 7 hours of continuous use).