NF ISO 3966:2021
Current
The latest, up-to-date edition.
Measurement of fluid flow in closed conduits - Velocity area method using Pitot static tubes
Hardcopy
English - French
01-08-2021
Thisdocumentspecifies a method for thedeterminationin a closed conduit of thevolumerate offlowof a regularflow a. of afluidof substantiallyconstantdensity or corresponding to a Machnumbernot exceeding 0,25, b. with substantiallyuniformstagnationtemperatureacross the measuringcross-section, c. running full in the conduit, and d. under steadyflowconditions.
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