On-line low flow high-precision gas metering systems

A. J. Guwy, D. L. Hawkes*, F. R. Hawkes

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    25 Citations (Scopus)


    The paper describes a high precision gas meter suitable for low rates of flow (< 5 cm3 min-1) which can be interfaced with data acquisition software for continuous on-line measurement. The meter used the highly sensitive pressure transducers currently available, operated with a very small back pressure, and had an accuracy around 0.5%. A frequency to voltage converter was developed and built into the gas meter. This allowed direct connection to a data logger/computer without prior computation.

    Original languageEnglish
    Pages (from-to)977-979
    Number of pages3
    JournalWater Research
    Issue number3
    Publication statusPublished - Mar 1995


    • high sensitivity gas meter
    • low gas flow
    • pressure transducer


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