How non-methane hydrocarbons gas analyzers work to provide non-methane hydrocarbons solutions

Several sensing technologies are available to measure non-methane hydrocarbons. The most appropriate solution depends on the application, and the measurement range required.

• Flame Ionization Detector (FID) technology is designed to measure total hydrocarbons down to parts-per-billion (ppb) levels. By combining a FID sensor with a non-methane cutter, it can be used to measure methane concentrations as well.
• Gas Chromatography separates out the constituent components of a gas mixture, allowing relative concentrations to be determined. Under optimized conditions, it can measure down to parts-per-billion (ppb) levels, making it ideal for high-purity control processes.
• Servomex’s Plasma emission detection technology was developed to provide a safer alternative to flame-based sensing for hydrocarbon analysis, and delivers ultra-low measurements. It provides highly sensitive and selective speciation, so is only suitable for trace analysis applications.

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