Presidium PGI gem indicator, for up to 31 kinds of colored gems, from 0.2 ct on, handheld

Product information "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): 28,0 x 30,0 x 170,0 mm
Product area: Scales & tester
Weight (kg): 0.055