WiFi CAMERA 1080P Bulb 4X Zoom Camera E27 Home 5GWiFi Alarm Monitor$1.80
Thermal Conductivity Tester
$6.30
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商品詳細
Name: Second Generation Diamond Thermal Conductivity Meter
Product size: 135x40x23 mm
Material: metal + engineering plastic
Power supply specifications: 9V battery-powered
Weight: 66 grams (without battery)
Scope of application: diamond identification, gem hardness testing
Touch your finger to the metal plate on the back of the instrument, and touch the metal probe of the thermal conductivity meter vertically to the diamond surface. Do not press down too hard. At this time, if 10 lights are fully on and the beep sounds, it means that the tested diamond is true Drill, otherwise imitation.
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