Dear experts, I have a question: when calibrating a flow meter for steam using water, how should the flow rate be corrected?
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Dear experts, I have a question: when calibrating a flow meter for steam using water, how should the flow rate be corrected?
This is work that must be carried out by the specialized calibration department; ordinary users cannot make corrections on their own
This post was last edited by HEJIYUER on 2015-6-10 12:24. Should steam be calibrated using air? Liquids are incompressible fluids, and their density is considered constant, whereas gases have an expansion coefficient; the density must be adjusted by comparing pressures at different points. The same applies to steam – calibration is necessary in order to enable comparison. Changes in gas density are also a factor affecting the accuracy of orifice plates; otherwise, why would the accuracy for gases be lower than that for liquids using the same plate? If you want to use a vortex flowmeter to measure steam, will it be calibrated with water?
Air or water is generally used as the calibration medium for third-party vortex flow meter testing
Take a look at JJG 1029-2007 \"Verification Regulations for Vortex Flow Meters\" to see if we can find the answer.