The gas analyzer is a professional instrument used for accurately analyzing the composition and concentration of gases. It adopts a variety of advanced analysis techniques, such as chromatography, spectroscopy, and electrochemical analysis, and selects appropriate analysis methods according to the characteristics of different gases. The outer shell materials are diverse. Laboratory models often use exquisite metal or plastic outer shells, while industrial - site models use high - strength, corrosion - resistant materials. The internal structure is complex, including a sampling system, an analysis system, and a data processing system. Its advantage lies in its high analysis accuracy, capable of accurately determining the content of each component in the gas; fast analysis speed, enabling quick obtainment of analysis results; and diverse functions, able to analyze a variety of common and special gases. It is widely used in fields such as environmental monitoring, chemical production, and scientific research experiments to provide accurate data support for gas - related research and production.