Beijing Tiandi first and outline the explanation and precautions of the infrared principle of carbon dioxide detector
Infrared detection principle:
When a beam of infrared light having a continuous wavelength passes through the substance, the vibration frequency or the rotation frequency of a certain group in the substance molecule is the same as the frequency of the infrared light, the molecule absorbs energy from the original ground state vibration (kinetic energy level) to energy. The higher vibration (rotation) kinetic energy level, the vibration and the rotation level transition of the molecule after absorption of infrared radiation, where the wavelength of light is absorbed by the substance. Therefore, infrared spectroscopy is essentially an analytical method for determining the molecular structure of a substance and identifying compounds based on information such as relative vibrations and molecular rotations within the molecule.
Precautions:
1: The use environment must be normal temperature, normal humidity, normal pressure; too high temperature, high humidity will damage the instrument
2: Prevent the instrument from falling from a height
3: Please operate and use in strict accordance with the instructions, otherwise it may lead to inaccurate test results or damage to the instrument.
4: The instrument must not be stored in an environment containing corrosive gases
5: If the surface of the instrument is dirty after a long time of use, please wipe it gently with a soft cloth dampened with water. Do not wipe the instrument with corrosive and hard objects, otherwise the surface of the instrument may be scratched or damaged.
6: The instrument must be turned off when charging
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