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According to Emerson, St. Louis, MO, its recently introduced Rosemount 700XA gas chromatograph (GC)  is industry’s first single-analyzer solution for measurement of sulfur compounds and energy content of natural gas. The device is said to offer a particularly cost-effective approach in meeting gas-quality and heating-value requirements for pipeline distribution, processing of liquified natural gas (LNG), mixed and high-purity natural gas liquids (NGLs), and international LNG commerce. The company notes that the new offering also satisfies operational and safety standards that protect pipelines, processing facilities, distribution systems, and workers using a compact, transmitter-type GC.

While previous generations of gas chromatographs have required the purchase of separate analyzers for sulfur measurement and heating value analysis, the Rosemount 700XA comes equipped with a micro-flame photometric detector (FPD) that allows users to reduce initial equipment cost by as much as 50% and footprint requirements by up to 40%. The field-mountable, transmitter-type configuration also allows close-to-tap mounting, thus reducing sample lines and delivering faster response.

Emerson notes that the Rosemount 700XA is a Class 1, Division 1, explosion-proof, ATEX/IECEX safety-rated analyzer that eliminates instrument air requirements for purging or the need for additional protection. This is said to enhance the analyzer’s safety profile and also lets fit in challenging, space-constrained environments without costly changes to infrastructure .

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