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  Presidium Duo-tester
Presidium Duo-tester
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Our Price: $577.15
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Spanish Name: IDENTIFICADOR DE DIAMANTES CON REFLECTOMETRO

Product Code: D48-5
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Description
 

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. Even coated gemstones can be accurately tested.

Size : L-165mm x W-77mm x H-77mm
Weight : 319 gms

DIGITAL REFLECTIVITY MEASUREMENT
Diamond and its simulants reflect light proportionally to their respective refractive index. The PRESIDIUM DUOTESTER provides the user with a digital reflectivity meter and an easy to use Simulant Reflectivity Chart. The reflectivity number from the meter is simply cross-referenced with the chart to identify the stone. An unknown gemstone can be tested for its thermal conductivity and, if necessary, the results can be confirmed with a quick and simple reflectivity test. All stones indicated as diamond by the thermal tester should be tested with the reflectivity meter to test for Synthetic Moissanite, thus providing double the assurance for the same price.

Easy Fail Safe Calibration
The PRESIDIUM DUOTESTER comes complete with built in diamond and simulant test discs for easy calibration of the thermal tester. Calibration of the Reflectivity Meter is made easy with the optional, built in diamond substitute set.

Convenience
The thermal probe pen includes a metal warning detector that emits a audible buzz if the gem mounting is accidentally touched. The DOUTESTER can be powered by 5 AA alkaline batteries or by the electrical adapter provided.

Guaranteed Quality
The PRESIDIUM DUOTESTER is manufactured under rigid quality standards. The user is assured of the highest satisfaction and dependable service from this PRESIDIUM instrument. Each DUOTESTER is tested for functionality before shipment.

1 year factory warranty

Features
All stones that test for diamond with the thermal tester should be tested with the reflectivity meter as a check for synthetic moissanite. An optional Simulant Stone Set containing samples of synthetic spinel, synthetic corundum, high zirconia, strontium titanate, CZ, GGG, and YAG is available. Operates on the supplied 110 Volt AC adapter or on 4 AA batteries. One year manufacturer's warranty.

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