Presidium® SAM is a premium entry to the brand's line of testers that utilize properties of electro-thermal conductivity and Presidium's signature, retractable probe tips, which maintain consistent pressure against the gemstone during testing, to accurately verify the authenticity of diamonds and moissanite.

FEATURES

• Highly sensitive thermoelectrical probe to distinguish diamonds against a wider range of moissanites including the new “low electrical conductivity moissanite”.
• Industry’s thinnest probe tip (0.45mm) for testing gemstones as small as 0.01 carats
• The industry’s fastest start-up and testing time
• Dynamic display with micro LED for clear and distinct results.
• Sleek chrome-brushed ergonomic grip
• USB port for alternative power source and connectivity

BENEFITS

• Distinguishes diamonds from moissanites, including the new “low conductivity moissanite”, and its simulants.
• Highly sensitive retractable thermoelectrical probe capable of identification in a higher resolution and consistent contact between probe and gemstone.
• Utilizes technology that does not compromise user’s safety.
• Metal Alert to ensure contact with gemstone during testing.
• Light, portable and easy to use.