Take the guesswork out of gemstone identification with the Presidium Gem Indicator. This handheld digital tester is a revolutionary, smart thermal device—the industry’s only portable tool designed specifically for colored stones. By combining advanced thermal conductivity testing with an innovative color input function, this digital powerhouse accurately identifies up to 31 different types of gemstones, including diamonds, in under 6 seconds.
Key Features & Benefits
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Smart Color Input Function: Significantly enhance your testing accuracy by pre-selecting from 12 common gemstone colors. This allows the internal software to narrow down the thermal data and pinpoint the exact stone with incredible precision.
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Industry's Thinnest Probe (0.45mm): Test gems as small as 0.02ct! The patented, retractable thermoelectric tip ensures constant, perfect pressure against the stone, delivering unmatched accuracy on even the tiniest melee gems.
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Changeable Probe Tip: Designed to eliminate costly equipment downtime. If the micro-probe is ever bent or damaged, the refined tip can be easily replaced on the spot, ensuring your workflow never stops.
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Instant Digital LED Display: No more deciphering confusing analog dials. Get clear, easy-to-read, and definitive results on a bright digital OLED screen in seconds.
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Ergonomic & Portable: Features a sleek, chrome-brushed ergonomic grip. It is exceptionally light and runs on batteries (with a USB port for alternative power), making it the ultimate travel companion for field buying.
Free Global Shipping
We process orders within 1-3 business days. Estimated standard international delivery is 6-12 business days.
14-Day Returns
We have a 14-day return policy. Items must be unused, with all original accessories, and in original packaging.
For full details, please refer to our Shipping and Refund policies at the bottom of the page.
