Rosemount CT5100 hybrid laser continuous gas analyser

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Emerson has released the Rosemount CT5100 continuous gas analyser, a hybrid analyser that combines tunable diode laser (TDL) and quantum cascade laser (QCL) measurement technologies for process gas analysis and emissions monitoring.

The analyser can detect down to sub-ppm level for a range of components while simplifying operations and reducing costs. The device can measure up to 12 critical component gases and potential pollutants simultaneously within a single system in order to meet regulatory requirements.

The analyser operates with no consumables, no in-field enclosure and a simplified sampling system that does not require any gas conditioning to remove moisture. The device is suitable for process gas analysis, continuous emissions monitoring and ammonia slip applications.

The ‘laser chirp’ technique expands gas analysis in both the near-and mid-infrared range, enhancing process insight, improving overall gas analysis sensitivity and selectivity, removing cross interference and reducing response time. The technique produces sharp, well-defined peaks from high-resolution spectroscopy that enable specificity of identified components with minimum interference and without filtration, reference cells or chemometric manipulations.