...Presidium Brand Gem Tester with Accuracy of 0.02ct Model number: Gem Tester II • Detachable probe pen with 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...
...Presidium Brand Gem Tester with Accuracy of 0.02ct Model number: Gem Tester II • Detachable probe pen with 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... more
Optical equipments for Gem built-in Led jewelry Hand-Held refractometer Product description The Gem Refractometer is an important instrument which measures the refractive indices of stones. It has a pull out eyepiece and a high quality lens that gives ...
Optical equipments for Gem built-in Led jewelry Hand-Held refractometer Product description The Gem Refractometer is an important instrument which measures the refractive indices of stones. It has a pull out eyepiece and a high quality lens that gives ... more