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Features:
Easy operation.
LED light and audio result indication.
The red light will be showed and the audio indicator will ring if the stone is real diamond.
Simple calibration for stones of various sizes.
Accurate and reliable reading.
Matched with a testing platform for loose stones.
Light weight, matched with a convenient carrying case.
Detailed user manual is included in the package.
Specifications:
Color: Black
Power supply: 1 * DC 9V Battery (not include)
Item size: 16 * 4 * 2.2cm (6.6 * 1.6 * 0.8in)
Maintenance and repair:
1, the instrument is very sensitive to the probe, must be particularly careful to protect, do not use should be set on the sheath.
2, the preparation of the indicator light is very dark, shows the battery will run out, should be timely replacement battery.
3, the instrument is not used for a long time, please take out the battery.
4, in order to detect accurately, the proposed correction once a year.
Warm tips:
The 1 thermal conductivity meter is designed and manufactured according to the thermal conductivity of diamond. It is specially used for the identification of the true and false of diamond.
2 instrument for precision electronic instruments, the use of the environment for 5-35 degrees Celsius, the relative humidity of the air at 80%.
3 gems must be clean, dry and at room temperature.
4 when doing test, transferred to the first or second grid.

操作方法：
1、打开电源，电源指示灯点亮，仪器开始预热，几秒钟后仪器便可使用。
2、将被测裸钻放入支撑托盘合适的凹孔中，并将其台面朝上。已镶嵌者不必放托盘孔中，而用手持其即可。
3、根据被测真假钻石的重量和测定地点的温度调亮若干个发光二极管。
4、取下探针护套，手持仪器、右手食指触及仪器后盖导电板；使探针垂直地与被测真假钻石的台面轻轻接触。
5、仔细注视仪器的反映，如果剩余的黄色发光二极管点亮、当亮到9个二极管，并伴随发出蜂鸣声这说明被测者为真钻石。与此相反，如果点亮的不足9个、
且仪器不发出锋鸣声，说明假钻石或仿冒品。