Diamond Tester Pen – Portable Jewelry Diamond Testers for Real and Fake Gemstones – Professional Gemstone Detector Tool with LED Light, Audible Signal & Battery Operated Design for Accurate Testing

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

4. Dimensions: 160 * 40 * 22mm Weight: Approximately 130g

Size of Diamond Stone Testers: The gemstone tester pen diamond gold tester has size about 6.6 inches length and width about 1.6 inches with thickness about 0.8 inches. The portable diamond detective kit tool is lightweight and durable for years of use. This jewelry diamond tester comes with a practical carrying case so they are very convenient for replacing on place to another

Detection Way: These diamond detector tester jewelry tools indicates genuine diamond or fake very easily. This black diamond tester pen is designed and manufactured according to the thermal conductivity of diamond and the fake crystal such as cubic zirconia does not have any reaction. So in this way, you can perfectly treat heavy metals, gold, diamond and silver jewelry

Result Indicator of Diamond Checker Tool: With diamond gem stone tester you will be able to know in a few seconds whether an item is fake or not, there are the LED indicator and the audible signal a red light will be displayed and an audible indicator will sound if the gemstone is a real diamond