Presidium® Gem Tester / Colored Stone Estimator is a premium portable desktop device that utilizes electro-thermal testing as well as PRESIDIUM's signature retractable probe tips, which ensures constant pressure between probe and gemstone, to accurately verify diamonds, diamond simulants & synthetics, and colored gemstones.
0.6 mm probe tip accurately tests stones as small as 0.02 carats ◆ Metal-contact alert buzzer ◆ Easy-to-read analog dial with 15 colored gemstones ◆ Built in diamond and simulant test discs ◆ Can be used with coated stones ◆ Low-battery indicator with auto-shutoff ◆ Battery and AC power ◆ Two-year manufacturer's warranty
The PGT / CSE is powered by 120 - 230 V AC (adapter included) or two (2) AAA batteries (sold separately). Carrying case included with purchase.
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| Dimensions | 6.5" (L) x 3.03" (W) x 3.03" (H) |
| Weight | 319g |
| Measurement Range: | 0.02 carat and above |
| Battery | 5 x AA batteries (approx. 4 hrs of use) |
| Power | AC adaptor 120/230 volts (Included) |
| Storage Temperature | 10°C- 50°C (50°F-122°F) |
| Operating Temperature | 18°C-27°C (65°F-80°F) |