Reduced Downtime with Gas Chromatograph Maintainable Module

by | Jun 3, 2020 | Analytical, Measurement Instrumentation

Jim Cahill

Jim Cahill

Chief Blogger, Social Marketing Leader

Gas chromatographs (GCs) are used in natural gas custody transfer metering applications to measure the various hydrocarbon components. An analytical module inside the GC can become contaminated and require replacement. The traditional GC uses disposable analytical modules which are wasteful and expensive.

This quick 1:38 YouTube video, The Maintainable Module of Rosemount 370XA Gas Chromatograph, shows how this innovative analytical module is replaceable and rebuildable. You replace the existing module with another and either rebuild it yourself or have Emerson experts rebuild it for you.

This compact Maintainable Module includes the columns, thermal conductivity detector (TCD), analytical valves, and solenoids, all within a single enclosure. If the Maintainable Module needs repair, a technician can quickly and easily replace it in the field without causing major interruptions or delays. Once the replacement module has been properly installed and is back online, the GC will self-validate and calibrate before automatically switching to Analysis mode.

This replace and rebuild process streamlines maintenance and reduces downtime. This grows in importance based on the number of Rosemount 370XA GCs that you have.

Visit the Gas Analysis section on for more on gas analysis solutions for C6+ natural gas measurement, combustion, complex processing applications, and emission monitoring solutions for regulatory compliance. You can also connect and interact with other gas analyzer experts in the Measurement Instrumentation group in the Emerson Exchange 365 community.

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The opinions expressed here are the personal opinions of the authors. Content published here is not read or approved by Emerson before it is posted and does not necessarily represent the views and opinions of Emerson.