2026-05-14
When it comes to how a flame detector works, the technology behind it is pretty interesting. Many of these devices rely on solid materials like silicon carbide or aluminium nitride to sense changes in their environment. Some designs use gas-filled tubes such as Geiger-Müller tubes. What they’re really tuning in to is the ultraviolet radiation that a flame gives off, usually in the 0.185 to 0.260 micrometre wavelength range