LRGA-3100 Laser Raman Spectroscopy gas analyzer enables simultaneous measurement of multiple gases (H₂, N₂, O₂, CO, CO₂, CH₄, C₂H₄, C₂H₆, C₃H₈, etc.) in seconds, with a detection range of 0.1%–100%, and provides real‑time calorific value and Wobbe index. No carrier gas or consumables; low maintenance. Ideal for natural gas, hydrogen production, petrochemical, steel, and CCUS.