International Organization for Standardization (ISO)
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ISO 8316:1987
Scope
The specified measuring methods are built upon the determination of the volume of liquid collected in a volumetric tank in a known time interval. Deals in particular with the measuring apparatus, the procedure, the method for calculating the flow-rate and the assessment of uncertainties associated with the measurements.
ISO 8316:1987 history
1987ISO 8316:1987 Measurement of liquid flow in closed conduits; Method by collection of the liquid in a volumetric tank