ONLINE ONLY ESTATE COLLECTABLE AUCTION
Thursday, 4 - Monday, 8 November 2021
PRESIDIUM Duo Tester - Colored Gemstone Tester rrp $650
Estimate $120 - $360
Realised: $240 plus premium
Lot Details
the only gemological instrument in the industry that tests gemstones using both thermal and reflectivity testing. Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone Industry’s thinnest probe tip (0.6mm) for testing gemstones as small as 0.02ct. Metal alert buzzer to ensure that probe tip is in contact with gemstone during testing Large easy-to-read analog dial with 15 colored gemstones Built-in diamond and simulant test discs for reference. Tests gemstones as small as 0.02ct. Consistent and reliable results every time Simple and easy to use. Runs on batteries or with supplied Presidium AC adaptor]
