Presidium PGI gem indicator, for up to 31 kinds of colored gems, from 0.2 ct on, handheld
Presidium PGI handheld gem indicator was especially designed for testing colored gems. The thermal testing device consists of two linked thermometers: One is heated electronically while the other one is heated by the tested gemstone. The difference creates an electrical output which is then amplified and shown on the LED display.
- Indicates up to 31 types of colored gems based on their thermal conductivity
- Color input function allows to select from 12 common colors for more accurate results
- Easy-to-read LED screen
- Changeable patented probe tip for minimal equipment downtime
- Extra thin probe tip (0.45 mm) for testing gems from 0.2 ct on
- Requires 3 AAA batteries only
- Up to 3 hours of continuous use possible
- USB connection possible
- 10 minutes standby time
- Including user handbook, protective carrying case, 2 calibration disks, USB cable
- Colour: Black
- Dimensions (H x W x D): 28 x 30 x 170 mm Show more
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