THE PRESIDIUM DIAMOND FACT is the most affordable protection against simulated diamonds in the market. It is your defense against financial loss and the invaluable reputation you work to protect.

Industry Proven Thermal Testing

The battery powered DIAMOND FACT uses thermal conductivity to distinguish diamond from its many simulants. Simply touch the tips of the probe pen to any mounted or loose stone. If the analog dial reaches the green zone- the stone is diamond- if it remains in the red zone the stone is a simulant. Stones as small as 0.02 carat can be accurately tested.

Heat conductivity of diamond and some of its simulants

The graph illustrates typical experimental observations of heat conductivity measured in millivolts against time after the probe makes contact with different stones of similar size.

Portable Diamond Testing with THERMAL CONDUCTIVITY and REFLECTIVITY measuring in the same Affordable instrument!! Double the confidence in testing for diamonds against all known simulants- including Synthetic Moissanite!!

Identify Diamonds & Colored Stones!

The PRESIDIUM DUOTESTER is the only tool on the market that provides the user with two proven tests for diamonds and the ability to differentiate between similarly colored gemstones. The easy-to-read dial of the DUOTESTER is calibrated to indicate the differences in thermal conductivity of the most popular gemstones and simulants. Simply touch the tip of the thermal conductivity probe pen to a mounted or loose stone. Diamond is easily identified by any reading in the green area of the dial- and colored gemstones can be easily differentiated from one another by the clearly labeled zones provided in the red area. Runs on 5-AA batteries; AC Adaptor (included)

KT-9 Digital Magnetic Susceptibility Meter

The KT-9 is state-of-the-art in portable magnetic susceptibility meters. The field geologist will find that the many advanced features of the KT-9 make it an indispensable tool for the accurate analysis of rock samples.

Features

This very compact, handheld unit can be used to analyze and classify rock types or drill core samples. A unique feature of the KT-9 is a pin that protrudes from the center of the coil. This pin enables the user to take a reading from an extremely small portion of the sample’s surface. By taking successive readings on an uneven surface, the "unevenness" error will be removed from the data, and a very accurate result will be obtained. The unit can also be used in the "no pin" mode for flat sharpness and the scanning of core. The KT-9 gives the user a data average for samples in memory.

Other key features include:

Benefits

The KT-9 measures the volume magnetic content of rocks to extremely low levels, and thus can identify and classify minute quantities of magnetite, titanmagnetite, ilmenite and pyrrhotite.

The GR-110G Radiation Detector is automatic and offers high sensitivity to radioactive emissions from nuclear sources. It is rugged, lightweight, and makes an ideal survey instrument for any demanding environment.

The combination of an adjustable audio alarm, two sensitivity and sample time mode, and a bright digital display enables the operator to quickly determine the location of the radioactive material, even in noisy environments.