2015 spring, New version of Diamond Selector from Culti Japan.
You can see the strength of heat conductivity with PC free software, connecting with USB cable. Also level adjustment can be done for small diamond or when you wish to check precise difference of heat conductivity. Power can be drown from USB cable (not included) or 2 of AAA alkaline batteries.
Dimensions = 85 x 54 x 14 mm
Accessories = AAA battery x 2, Loose stone holider, Vinyl case
Brand: Alfa Mirage
Country of origin: Japan