Presidium Gem Tester II
Compact and reliable gemological testing device designed to quickly identify diamonds/moissanites and separate up to 16 common colored gemstones based on thermal conductivity. Features an ultra-fine 0.6 mm retractable probe tip for testing gemstones as small as 0.02 carats, built-in calibration discs, and an intuitive analog display. The Gem Tester II provides a quick and easy way to identify diamonds/moissanites and separates up to 16 common colored gemstones based on their thermal conductivity with its clear and direct analog display.
Presidium Gem Tester II
Presidium Gem Tester II (PGT II) provides a fast, reliable, and convenient solution for identifying diamonds, moissanites, and separating up to 16 common colored gemstones. Utilizing advanced thermal conductivity measurement, it allows gemologists, jewellers, and appraisers to quickly distinguish stone varieties without any waiting time between tests. Designed for both portable and desktop use, it features a clear analog display dial and a newly redesigned built-in calibration reference system.
Key Features
Ultra-Thin Retractable Probe: Equipped with the industry's thinnest 0.6 mm retractable thermoelectric probe tip, ensuring constant, gentle pressure on gemstones as small as 0.02 carats.
Wide Gemstone Separation: Distinguishes up to 16 common colored gemstones, including Ruby, Sapphire, Emerald, Tanzanite, Topaz, Garnet, Tourmaline, Spinel, and more.
Clear Analog Display: Easy-to-read color-coded analog dial provides quick, direct readings.
Built-in Metal Alert & Calibration Discs: Includes a metal alert buzzer to warn when the probe contacts metal, along with built-in Glass and Calibration (CAL) test discs for effortless on-the-go reference.
Polished & Unpolished Stone Compatibility: Performs testing on both mounted and loose stones, polished or unpolished.
Technical Specifications
Brand: Presidium
Model: Gem Tester II (PGT II)
Testing Method: Thermal Conductivity
Probe Tip Size: 0.6 mm Retractable Probe
Minimum Stone Size: 0.02 ct
Power Supply: 2 x AA Alkaline Batteries or AC Power Adapter (Included)
Dimensions: (L x W x H): 125 x 90 x 70 mm (4.93 x 3.55 x 2.76 in)
Weight: 220 g (without batteries)
