Thermal Conductivity Meter Diamond Test Pen Crystal Hardness Identification Instrument(No Battery)
Thermal Conductivity Meter Diamond Test Pen Crystal Hardness Identification Instrument(No Battery)
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Product Details
The Thermal Conductivity Meter Diamond Test Pen is an electronic instrument used to identify the authenticity and hardness of diamonds and gemstones. It operates without a battery and is designed for everyday use.
- Material: Plastic + alloy probe
- Working power supply: 9V battery x 1 (not included)
- Identifies authenticity and hardness of diamonds and gemstones
- Metal tip of the probe is electrically heated
- Buzzing sound indicates contact with diamond surface
- Probe must be at a 90-degree angle to the object being tested
- Three-color indicator light adjusts to 4th grid for testing
- Red light area indicates diamond authenticity
- Operating environment: 5-35 degrees Celsius
- Dimensions: 41x155x21 mm
- Net weight: 57 grams
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