Presidium · PGT-II
Presidium Gem Tester II
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Inspection & Measurement
Diamond & Gemstone Tester
KYG1647
Presidium Gem Indicator Colored Gemstone Tester
Presidium · PGI
Presidium Gem Indicator Colored Gemstone Tester Handheld digital tester for colored gemstones, identifying 31 types by thermal conductivity and color input, featuring a refined probe tip and easy-read display.
Inspection & Measurement
Specifications
| Testing Capability | 31 types of colored gemstones; 12 selectable color inputs |
|---|---|
| Power & Battery | 3 x AAA alkaline batteries (approx. 3 hours continuous use); USB port for alternative power; cannot hold a charge |
| Display | Digital LED screen |
| Probe Tip | Patented, refined, replaceable design; 0.45mm diameter suitable for small stones (from 0.02ct) |
| Operating Conditions | 23°C – 27°C (73°F – 80°F) recommended; can calibrate for 20°C – 33°C (68°F – 91°F) |
| Dimensions | Length: 170mm; Width: 31mm; Height: 28mm |
| Weight | 60g (without batteries) |
| Additional Features | Sleek chrome-brushed ergonomic grip; buzzer alert & low battery indicator; quick results (less than 6 seconds) |
Overview
Highlights
- Tests 31 different colored gemstones with high accuracy.
- Patented, easily replaceable probe tip with minimal downtime.
- Clear digital LED display and color input enhance result precision.
Applications
- Identifying and classifying colored gemstones for jewelry grading.
- On-the-spot gemstone verification in retail or field environments.
- Gemstone authenticity checks for collectors and laboratories.
Overview
Presidium Gem Indicator Colored Gemstone Tester is a unique, industry-leading handheld digital tester expressly designed for colored gemstones. Utilizing thermal conductivity, it can accurately identify up to 31 distinct gemstone types. The device features a user-selectable color input function among 12 common colors, enhancing testing accuracy.
Engineered for professional and convenience-focused workflows, the Presidium Gem Indicator incorporates a patented, easily replaceable probe tip and a clear digital LED display for immediate, precise results. Lightweight, portable, and simple to use, it is ideal for jewelry professionals and gem enthusiasts requiring quick, reliable gemstone identification in both shop and field settings.
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