Portable Handheld Diamond Selector High Accuracy Diamond Tester for Jewelry Gemstone Detection

Portable Handheld Diamond Selector High Accuracy Diamond Tester for Jewelry Gemstone Detection

Description:
- Thermal conductivity meter is an electronic instrument designed and manufactured based on the thermal conductivity of diamonds, specifically used to distinguish the authenticity of diamonds.
- This instrument is a precision electronic instrument, used in an environment of 5-35 degrees Celsius and with a relative humidity of 80% in the air.
- The tested gemstones must be clean, dry, and at room temperature.
- Pocket and portable handheld.
- Non destructive testing, easy and accurate operation.

Specification:
- Working power: DC 9V battery (not included)
- Product weight: 160 x 40 x 22mm
- Weight: about 130g

Package Included:
- 1 x Diamond Selector