The Presidium Gem Tester is ideal for identifying diamond and gemstones. Features an easy to read dial and includes a leather carrying case. Can be used with batteries or AC adapter (adapter included). 165 x 77 x 77 millimeters Presidium DuoTester is the only comprehensive tool on the market that combines two proven testing methods for gemstones.
PDT differentiates diamonds from its simulants based on both their thermal conductivity and reflective indexes. The Presidium Gem Indicator is an enhanced and more convenient handheld version of the revolutionary Presidium Gem TesterColored Stone Estimator. The Presidium Gem Indicator probe consists of two linked thermometers; one which is heated electronically, while the other is cooled by the gemstone being tested.
Duo Tester (PDT) Gem Indicator (PGI) Gem TesterColored Stone Estimator (PGT) Gem TesterColored Stone Estimator (PGT) Buy Now. The first desktop instrument that estimates colored gemstones and identifies diamonds, using the principle of thermal properties of gemstones. Presidium Gemstone Tester Colored Stone Estimator is Presidium Gem Tester Manual (PDF) Presidium Gem Tester Operating Instructions (HTML) Presidium DuoTester PDTS7 Only 329.
95: Gem Refractometer's primary use is to measure the angle at which light traveling through the stone is bent or refracted. The Gem Refractometer can also determine whether a stone is singly or doubly These testers are very accurate. However you must remember to keep it calibrated; to make sure it continues to test accurately.
I did not mention if you really do not know Gems, you can still make mistakes using this tester. Ceres Diamond Testers, Diamond Testing, Diamond Tester, Diamond Testers Back to Presidium Gem Testers PRINCIPLE OF OPERATION. The Presidium Gem Tester has been developed as an aid in distinguishing between diamond and its simulants. It makes us of the fact that diamond conducts better heat than any other material, and it May 31, 2011 Presidium DuoTester is the only comprehensive tool on the market that combines two proven testing methods for gemstones.
Diamond Moissanite Tester Gemstone 2pt Jewel Stone Combo Gem Jewelry Jul 30, 2015 A light and portable instrument that instantly identifies diamonds and most colored gemstones based on their thermal properties.
Presidium Gemstone Tester Universal USB Adaptor for SGD 20. 00 Add to cart Identify diamonds from moissanite, CZ and other simulants with the Presidium Multi Tester. The Presidium Multi Tester III distinguishes genuine diamond from moissanite, CZ and other simulants, all in a single unit.
The Presidium Gem Tester has been developed as an aid in distinguishing between diamond and its simulants It makes use of the fact that diamond conducts heat better than any other material, and it is foreseen that no other substance, whether natural or synthetic, will ever be Presidium models gemtestP (PGTCSE) and gemtestduo (PDTS7) BUY NOW: CLICK ON A PICTURE TO BUY AN ELECTRONIC GEM TESTER Model gemtestP (PGTCSE), pictured top left, is a thermal meter (a meter with a needle).