Presidium · PGI
Presidium Gem Indicator Colored Gemstone Tester
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Inspection & Measurement
Diamond & Gemstone Tester
KYG0243
Presidium Gem Tester II
Presidium · PGT-II
Presidium Gem Tester II uses advanced thermal conductivity technology to accurately identify diamonds, moissanites, and 16 colored gemstones, with a portable design and clear analog display.
Inspection & Measurement
Specifications
| Power Supply | 2 x AA alkaline batteries (about 3 hours continuous use), AC port for included power adaptor |
|---|---|
| Operating Temperature | 18 °C – 27 °C (65°F – 80°F) |
| Probe Tip Size | 0.6 mm (retractable) |
| Storage Temperature | 10 °C – 51 °C (50°F – 124°F) |
| Gemstone Size Range | Detects gemstones as small as 0.02 carats |
| Gemstone Types | Identifies up to 16 types of common colored gemstones, diamonds, and moissanites |
| Display | Clear, easy-to-read analog dial |
| Calibration | Built-in glass and CAL test discs |
| Alert | Metal alert buzzer |
| Product Size | 90 × 125 × 68 mm |
| Packaging Size | 195 × 110 × 95 mm |
| Product Weight | 472 g |
| Pen Weight | 310 g |
Overview
Highlights
- Identifies diamonds, moissanites, and 16 gemstone types using thermal conductivity.
- Features a 0.6mm retractable probe and metal alert buzzer for precise, reliable testing.
- Clear analog display and supports both batteries and AC adaptor for field or lab use.
Applications
- On-the-spot authentication of jewelry in retail stores or trade shows.
- Gemstone identification during jewelry appraisal or repair.
- Field testing by gemologists or mobile professionals.
Overview
The Presidium Gem Tester II combines precision and convenience for professionals needing reliable gem identification. Using advanced thermal conductivity technology, it distinguishes diamonds, moissanites, and up to 16 types of colored gemstones. Its easy-to-read analog dial and compact form factor make it suitable for both laboratory and field settings, with the ability to assess stones as small as 0. 02 carats.
A 0. 6mm retractable probe, integrated calibration references, and metal contact alert ensure accurate and efficient testing. Dual power options—AA batteries or AC adaptor—allow for flexible operation wherever gemstone analysis is required.
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