FAQ

Why do I see a difference between the reading of the ProFLOW 6000 flowmeter and the reading of another flowmeter?

30 Jul 2025

All flowmeters present some level of flow impedance, and the degree of impedance differs among meters. When connected to a flow source, the difference in impedance loads the system to varying magnitudes. This will usually result in a change of flow from the source. Although each meter will read and display the current flow from the source respectively, the source flow will change relative to the degree of loading. For this reason, it is inappropriate to “check” the gas flow measurement of one volumetric flowmeter against that of another.

Author

  • Restek Corporation

    Restek is a leading provider of chromatography columns, accessories, and certified reference materials. Trust Restek for reliable, high-quality analytical solutions.

    View all posts
GNOT5210