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Item Name
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Presidium Diamond Mate A Tester
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Dimension
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Length: 160mm (6.30 inches)
Width: 21mm (0.83 inches) Height: 30mm (1.18 inches) |
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Weight
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(w/o batteries): 40.0 grams (1.41 oz)
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Power & Battery
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3 x AAA alkaline batteries (approximately 7 hours of continuous use)
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Verify diamonds instantly and accurately, wherever your business takes you. The Presidium Diamond Mate-A Tester is the industry’s go-to portable thermal tester, renowned for its reliability and precision. Equipped with a highly sensitive, retractable thermoelectric probe, this pocket-sized powerhouse delivers instantaneous results without any waiting time between tests. Whether you are sorting loose stones or verifying intricate mounted jewelry, the Diamond Mate-A ensures you never miss a genuine diamond.
Key Features & Benefits
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Industry's Thinnest Probe (0.6mm): Engineered for extreme precision, the ultra-fine 0.6mm probe safely and accurately tests diamonds as small as 0.02 carats.
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Retractable Thermoelectric Tip: The spring-loaded probe ensures constant, perfect pressure against the gemstone, eliminating user error and guaranteeing reliable thermal readings.
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Smart Metal Alert Buzzer: Features a built-in audible warning that immediately alerts you if the probe touches the metal jewelry setting instead of the stone, preventing costly false-positive readings.
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Zero Recovery Time: Maximize your efficiency. The device requires absolutely no waiting time between tests, allowing for rapid consecutive sorting.
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Ultra-Lightweight & Portable: Weighing only 40 grams (without batteries), its sleek, ergonomic design fits perfectly in your pocket. Features a clear LED display and low battery consumption for extended field use.
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.











