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Presidium Duo Gem Tester - TD5310

The Presidium Duo Tester is the only tool on the market that provides the user with two proven tests for diamonds and the ability to differentiate between similarly coloured gemstones. The easy to read dial of the Duo Tester is calibrated to indicate the differences in thermal conductivity of the most popular gemstones and simulants Simply touch the tip of the probe pen to a mounted or loose stone, and read the dial. There is also a reflectivity measurement which tests a stone's reflectivity as a second test. Supplied with mains adaptor, can be used with 5xAA batteries (not supplied).

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Packaged weight: 
1.2 kg
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