PRESIDIUM GEM INDICATOR PGI GEM TESTER USB
$506.47
In stock
Please fill in the fields below with the shipping destination details in order to calculate the shipping cost.
Description
The Presidium Gem Indicator is the only handheld tester inthe industry specifically for colored gemstones that helps to indicate up to 31different types of colored gems based on their thermal conductivity and evenfeatures a color input function that allows users to select from a range ofcommon colors, thereby narrowing down the possible results. With aneasy-to-read clear digital LED screen, this smart thermal tester also comeswith the Presidium patented replaceable probe tip technology, which ensures minimalequipment downtime.
The Presidium Gem Indicator is an enhanced and more convenient handheld version of the revolutionary Presidium Gem Tester/Colored Stone Estimator. It distinguishes between diamonds and other colored gemstones using the principles of thermal conductivity. The Presidium Gem Indicator probe consists of two linked thermometers; one which is heated electronically, while the other is cooled by the gemstone being tested. The difference in temperature creates an electrical output, which is then amplified and displayed on the new digital organic LED display.
It is simple to use, easy to maintain and quick in giving you intelligent results about your colored gemstones.
Features and Benefits:
• Differentiates between diamonds and other colored gemstones
• Tests up to 31 different types of gemstones
• Color separation function of 12 colors with user input, to
improve accuracy
• Industry’s thinnest probe tip (0.45mm) for testing gemstones
from 0.02ct
• Retractable thermoelectric tip that maintains constant pressure
against gemstone
• Patented refined changeable probe tip
• Metal buzzer alert
• Internal library database function of gemstones and their colors
• Requires just 3 AAA Batteries
• USB connection to PC for more value-added functions
Presidium Gem Indicator PGI distinguishes the following gems:
| No. | Stone Family | Stone Name |
| 1 | Glass | Glass |
| 2 | Beryl | Goshenite |
| 3 | Helidor | |
| 4 | Aquamarine | |
| 5 | Morganite | |
| 6 | Emerald | |
| 7 | Lolite | Lolite |
| 8 | Garnet(Almandine-pyrope group) | Almandine |
| 9 | Pyrope | |
| 10 | Spessartite | |
| 11 | Nephrite | Nephrite |
| 12 | Tanzanite | Tanzanite |
| 13 | Quartz | Chrysoprase |
| 14 | Tourmaline | Tourmaline |
| 15 | Paraiba | |
| 16 | Rubelite | |
| 17 | Garnet(Grossular-Andradite group) | Hessonite |
| 18 | Tsavorite | |
| 19 | Demantoid | |
| 20 | Peridot | Peridot |
| 21 | Jadeite | Jadeite |
| 22 | Quartz | Aventurine |
| 23 | Citrine | |
| 24 | Quartz | |
| 25 | Amethyst | |
| 26 | Spinel | Spinel |
| 27 | Chrysoberyl | Chrysoberyl |
| 28 | Topaz | Topaz |
| 29 | Corundum | Sapphire |
| 30 | Ruby | |
| 31 | Diamond | Diamond |
Recommended Operating Conditions
It is recommended to use the Presidium Gem Indicator in environments
at ambient temperatures of 18°C – 27°C. Calibration using the provided
calibration disk is also recommended when starting to use the product
or when using the product in different environments.
-

Toy Robots ,Large Intelligence
$187.40 Add to cart -

SAMSUNG 83-Inch Class OLED S85F 4K Smart TV (2025 Model) NQ4 AI Gen2 Processor, 4K AI Upscaling, OLED HDR, Pantone Validated, Samsung Vision AI, Alexa Built-in
$4,727.79 Add to cart -

TCL A1 GTV Projector, Netflix Officially Licensed, Portable Outdoor Projector with WIFI and Bluetooth, Native 1080p&4K support, Auto Focus, 16W Audio & Dolby Digital, 120-Inch Screen
$393.81 Add to cart -
Sale!

Elliptical Machine: E25 Elliptical Gym Equipment for Home and Studio, Exercise Equipment with 7.5″ LCD Display, Tablet Holder, Adjustable Resistance, Power Incline and Heart Rate Monitoring (E25)
Original price was: $1,429.99.$1,319.99Current price is: $1,319.99. Add to cart -

GPD Win 4 2025 Handheld Gaming PC with AMD Ryzen AI 9 HX 370, 12C/24T, 5.1GHz, Radeon 890M, 32GB LPDDR5X RAM, 4TB SSD, 6″ 1080P Display, OcuLink Slide up Backlit Keyboard, Portable Gaming Console
$2,379.41 Add to cart -

SOMIC G810 Wireless Headset 2.4G Low Latency Headset for PC PS4 PS5 Laptop, Bluetooth 5.2 Wireless Headphone with Built-in Mic, 50H Playtime, RGB Light Foldable for Gamer (Xbox Only Work in Wired)
$67.10 Add to cart



































Reviews
There are no reviews yet.