Laoyinghaina LY-NDIR non-dispersive infrared NOx gas measurement optical module (NO, NO₂ simultaneous detection)

application

Car exhaust detection,ship exhaust detection,smoke analysis,

characteristic

It adopts pulse modulated infrared light source without mechanical chopping modulation. It adopts multi-channel pyroelectric detector with higher sensitivity. It adopts constant temperature control and has better stability. It adopts self-developed algorithm and has stronger anti-interference ability. The mechanical structure can be customized as required. Customized,the measuring range can be customized as required.

Principles and characteristics

The module adopts the principle of non-dispersive infrared absorption method and consists of a wide-spectrum infrared radiation source,a gas chamber,a detector and a signal control and processing circuit. It analyzes the gas concentration by detecting the attenuation of light intensity before and after gas absorption. The module uses a high-performance wide-band infrared radiation source and an original designed new multi-reflection long-path infrared gas chamber to achieve high stability and low detection limit. It is compact and can be easily integrated into various gas analyzers; The optical path of the chamber can be customized,and the inner wall of the chamber does not affect the optical process,so the optical path is more stable and the measurement results are more reliable.

Introduction

The core members of the optical gas analysis module R&D team of the Spectrum Technology Center of Group have many years of experience in the research and development of aerospace spectroscopic instruments in the Academy of Sciences system,and have professional knowledge in related optics,spectroscopy,precision machinery,electronic circuits,signal processing,algorithm design,and software design.,focusing on transforming aerospace spectroscopy technology into the civilian field and developing core technologies and products for optical gas analysis.

The team independently develops core components for optical gas analysis such as ultraviolet enhanced micro-spectrometers,multiple reflection long optical path gas chambers,total reflection telescopes,spectral signal processing circuits and algorithms,light sources and detector drive circuits,and develops a variety of technical indicators based on application needs. The differential absorption spectroscopy (DOAS) gas analysis module,non-dispersive infrared (NDIR) gas analysis module and non-dispersive ultraviolet (NDUV) gas analysis module can be widely used in the environment,industry,medical,energy and other industries to achieve import substitution.

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_{This product is specially developed for nitrogen oxide analysis instruments. It can detect NO and NO2 at the same time,automatically compensate for water vapor interference,and the measurement results are more accurate and reliable. The product is small in size,highly stable,and easy to integrate. It can be used in automobile exhaust gas detection and ship exhaust gas. Detection,flue gas analysis and other fields.}