About this product

Without battery

1. Thermal conductivity meter is an electronic instrument designed and manufactured specifically for identifying the authenticity of diamonds based on their thermal conductivity properties

2. This instrument is a precision electronic instrument, used in an environment of 5-35 degrees Celsius and with a relative humidity of 80%

3. The gemstone being tested must be clean, dry, and at room temperature

Technical features:

1. Compact and portable handheld

2. Non destructive testing, easy and accurate operation

3. Working power supply: DC9V battery