Duo Tester II (PDT)

• combination tester for gems, which is using both thermal and reflectivity testing.

Differs from diamond simulants, and 15 different color gem stones.

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Combined testing unit Presidium Duo Tester II (PDT)

Combined testing unit for more safety, which calculates the thermal conductivity and light reflection. Two tests allow to distinguish between diamonds and simulants, and 15 different colored gemstones. The results are on the analog gauge needle, and an LED display displayed. A table with the reflection values of the most common stone imitations is integrated in the device. Audible alarm when metal contact.

Advantages:
- Thin probe (0.6mm) to gemstones to examine by 0,02ct

- Distinguishes between 15 different colored gemstones

- Digital LED display for displaying the reflectance values

- Acoustic warning

- Battery operation possible (5x AAA)

Technical specifications:
Dimensions (L x W x H): 165 x 77 x 77mm
Weight: 260g (without batteries)