Presidium Instruments Gem Indicator (PGI) Handheld Tester

An Industry Leader

The Presidium Gem Indicator, the only handheld tester in the industry specifically for colored gemstones, indicates up to 31 different types of colored gems based on their thermal conductivity and even features a color input function that allows users to select from a range of 12 common colors, thereby achieving more accurate results. With an easy-to-read clear digital LED screen, this smart thermal tester also comes with the Presidium patented refined changeable probe tip, which ensures minimal equipment downtime.

The Presidium Gem Indicator is an enhanced and more convenient handheld version of the revolutionary Presidium Gem Tester/Colored Stone Estimator.

The Presidium Gem Indicator (PGI) Features

• Industry’s thinnest probe tip (0.45mm) for testing gemstones from 0.02ct
• Patented refined probe tip
• Also able to distinguish diamonds from other colored gemstones
• Selection of 12 common colors available for more accurate results
• Powered by 3 x AAA alkaline batteries (approximately 3 hours of continuous use)
• USB port to be used with USB cable and appropriate Presidium Universal USB Power Adaptor

Included in Your Package

• Presidium Gem Indicator
• Calibration Disk
• USB cable
• Quick Guide
• QR Code Card
• Protective carrying case

Frequently Asked Questions

How does the Presidium Gem Indicator work?

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.

What gemstones can the Presidium Gem Indicator identify?

The Presidium Gem Indicator can identify up to 31 different types of colored gemstones based on their thermal conductivity. It can also distinguish diamonds from other colored gemstones.

How accurate are the results?

The Presidium Gem Indicator provides quick and intelligent results about your colored gemstones. With its refined probe tip and color input function, it offers enhanced accuracy and more precise results.

How long does the battery last?

The Presidium Gem Indicator is powered by 3 x AAA alkaline batteries, which provide approximately 3 hours of continuous use.

Is the Presidium Gem Indicator easy to use?

Yes, the Presidium Gem Indicator is simple to use and easy to maintain. Its clear digital LED screen makes it easy to read the results, and its sleek chrome-brushed ergonomic grip ensures a comfortable user experience.