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.
-
Sale!

Rockville RPG8BT 8″ Inch Powered 400W DJ PA Speaker BlueTooth, USB, SD, Remote
Original price was: $274.99.$126.45Current price is: $126.45. Add to cart -

Dupray Neat Plus Steam Cleaner with 17-Piece Accessory Kit. A powerful multi-purpose steamer designed for deep cleaning floors, upholstery, grout, and more, offering versatile performance
$274.98 Add to cart -

K552P Mechanical Gaming Keyboard TKL with 18 Backlight Modes, Hot-Swappable Red Switches, 87-Key Compact Ergonomic Design, N-Key Rollover & Software Programmable Macro – RGB, White
$54.76 Select options This product has multiple variants. The options may be chosen on the product page -
![Bosch 3824A-TBL HDS 1000 10" Windows 10 Tablet Upgrade Kit for Bosch 3824 ESI[Truck]](https://bymatics.com/wp-content/uploads/2025/05/91bVlWDUiYL-300x200.jpg)
Bosch 3824A-TBL HDS 1000 10″ Windows 10 Tablet Upgrade Kit for Bosch 3824 ESI[Truck]
$2,953.46 Add to cart -

Bissell BigGreen Commercial Little Green Pro Commercial Spot Cleaner, Carpet & Upholstery Cleaner and Car/Auto Detailer with Deep Stain Tool, 6″ Tough Stain Tool BGSS1481
$196.03 Add to cart -

WTTTOOLS Laser Cleaning Machine 200 W Pulsed Laser Rust Removal Backpack Battery/AC Dual Power Handheld Laser Rust Remover Portable Fiber Cleaner for Rust Oil Painting Coating Class 2 0.874mW
$9,458.90 Add to cart



































Reviews
There are no reviews yet.