The open path Fourier transform infrared multi-component gas analyzer adopts Fourier transform infrared spectroscopy technology and a dual station open path configuration. The instrument achieves qualitative and quantitative online automatic monitoring of multi-component gases by measuring and analyzing the infrared radiation "fingerprint" characteristic absorption spectra of trace gas components in the atmosphere. Its working principle is that the optical lens of the spectrometer receives infrared radiation emitted from an infrared light source, and the radiated infrared radiation propagates in open or closed air; After the infrared radiation received by the spectrometer is modulated by the interferometer and detected by the infrared detector, the electronic components and corresponding data processing modules of the spectrometer complete the conversion and storage of the interferogram, and the interferogram is converted into an infrared spectrum through Fourier transform.

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• ‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍Having a spectral library of over 300 characteristic pollutants (15 years of research results from the Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, and a spectral library used by BRUKER China in Germany).‍‍‍‍‍‍‍‍

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• ‍‍‍‍Domestic independent innovation core algorithm:‍‍‍Breakthrough the core technology of multi-point calibration and multi spectral segment fitting algorithm, solve the problem of cross interference between different gas spectra, and enable the instrument to operate even in polluted gas groups‍‍‍‍Good qualitative and quantitative analysis can also be achieved in complex environments.‍‍‍‍

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• ‍‍The detector detects a temperature of -196 ℃, which ensures the normal operation of the device, while shielding and reducing internal thermal noise from the optical system and itself, increasing detection accuracy and expanding the upper limit of the accepted wavelength. Higher signal-to-noise ratio and detection sensitivity.‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

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