Type segmentation of the Mobile High Temperature Gas Analyzer market distinguishes four principal sensor technologies: Infrared (IR), Catalytic combustion, Electrochemical, and Laser‑based spectroscopy. IR analyzers dominate due to their broad spectral coverage and ability to quantify multiple gases simultaneously, contributing roughly 45% of total market revenue. Catalytic combustion units, valued for their robustness in harsh environments, account for approximately 30%, especially in combustion‑process monitoring where carbon monoxide and hydrocarbons are primary targets. Electrochemical sensors, with low power consumption and rapid response, represent about 15% of the market, largely serving portable field deployments. Laser‑based spectroscopy, though currently niche, is growing at double‑digit rates and holds a 10% share, driven by high specificity requirements in petrochemical leak detection. Each type’s share reflects its alignment with cost, accuracy, and operational constraints, collectively shaping the overall market size.