4PCS New Diamond Tester Gemstone-Testing Kit~Digital Electronic Test UK FF~
pecifications:
 Working power: DC9V battery.(not included)
 Overall dimensions: 160*40*22mm
 
 
Instructions:
 Open the thermal conductivity meter power supply, the probe heating, generally takes 20 seconds.
 The hot needle touches the sample surface, according to the thermal conductivity of the instrument can determine whether the signal is diamonds tested samples.
 
Package List:
1 x Diamond selector II tester (without battery)
1 x Protected bag
1 x Testing Platform
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