Presidium Duo Tester (PDT II) Diamond and Colored Gemstone Tester | Thermal Conductivity and Reflectivity Testing | Assisted Thermal Calibration (ATC) | Professional Jewelry Testing Tool

★★★★★ 4.8 147 reviews

US$167.60
Price when purchased online
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US$167.60
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 220710355 Release Date 2026/05/03 List Price US$167.60 Model Number 220710355
Category
  • DUAL TESTING TECHNOLOGY FOR ACCURATE RESULTS | The only tester combining thermal conductivity and reflectivity measurement to distinguish diamonds from moissanite and other colored gemstones with confidence.
  • ASSISTED THERMAL CALIBRATION (ATC) | Advanced ATC technology ensures consistent, reliable, and accurate readings every time for professional-grade performance.
  • INDUSTRY'S THINNEST PROBE TIP (0.6MM) | Ultra-fine retractable thermoelectric probe allows testing of gemstones as small as 0.02ct with precision and constant contact pressure.
  • LARGE EASY-TO-READ ANALOG DIAL | Features 15 colored gemstone indicators for quick visual identification and simplified interpretation of results.
  • SIMPLE, FAST AND PROFESSIONAL OPERATION | Designed for jewelers, gemologists, pawn shops, and collectors who need dependable diamond and gemstone testing in seconds.
Color Black
Model PDT-S7
Brand Name Presidium
Style Name Compact, Modern
Unit Count 1.0 Count
Item Weight 0.7 Kilograms
Part Number PSPDTS7
Manufacturer Presidium
Power Source Battery Powered
Measurement Type Thermal Conductivity, Reflective Index
Specification Met NIST

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4.8 out of 5
★★★★★
147 ratings | 60 reviews
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