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Rosemount™ 370XA Gas Chromatograph
The Rosemount 370XA Gas Chromatograph is a compact and economical solution for standard natural gas C6+ BTU/CV applications, delivering accurate gas quality measurements that are fully traceable to international standards, including ISO requirements for validation and compositional gas analysis.
Designed for custody transfer applications, the Rosemount 370XA Gas Chromatograph is certified to worldwide, metrological approvals, such as OIML R140, Ofgem, LNE, VNIIM, ONML, KazInMetr, GOST and CMC. An integrated software simplifies both local and remote operation of the Rosemount 370XA. With its low utilities’ consumption and installation costs, the Rosemount 370XA Gas Chromatograph reduces total cost of ownership.

The Maintainable Module of Rosemount 370XA Gas Chromatograph

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Rosemount™ 370XA Gas Chromatograph


Power Supply
  • 24 VDC at the unit (21–30 VDC)
  • 55 Watts (Startup)
  • < 25 Watts (Steady State)
  • Mounting
    Pole (standard), wall or bench mount
  • CSA: Class I, Zone 1, AEx/AEx d IIB + H2, T6, IP65
  • Class I, Division 1, Groups B, C, D, T6, Enclosure Type 4X
  • ATEX/IECEx: Ex d IIB + H2 T6, Gb
  • Ta = -20 °C to 60 °C
  • Dimensions
    460 mm H x 305 mm W x 280 mm D (18"H x 12"W x 11"D)
    22 kg (50 lbs.)
    2-year limited warranty


    • Full color LOI with built-in software assistants simplifies operation by guiding the user through common tasks, such as module replacement, changing calibration gas and auto-valve timing
    • No shelter required for most environments, reducing installation costs. Optional enclosure available for extreme environments
    • Pole (standard), wall and bench mounting options
    • Less than 55 watts of 24V DC line power is required at start-up and less than 25 watts in the steady-state mode
    • Automatic validation routine reduces calibration gas usage and operational costs
    • A Maintainable Analytical Module™ combines all critical functional parts in one assembly, allowing quick and easy field repairs or replacement
    • Optional utility gases: H2, He, N2