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ISO 5168

Measurement of fluid flow - Procedures for the evaluation of uncertainties

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Organization: ISO
Publication Date: 15 June 2005
Status: active
Page Count: 72
ICS Code (Flow in closed conduits): 17.120.10
scope:

This International Standard establishes general principles and describes procedures for evaluating the uncertainty of a fluid flow-rate or quantity.

A step-by-step procedure for calculating uncertainty is given in Annex A.

Document History

ISO 5168
June 15, 2005
Measurement of fluid flow - Procedures for the evaluation of uncertainties
This International Standard establishes general principles and describes procedures for evaluating the uncertainty of a fluid flow-rate or quantity. A step-by-step procedure for calculating...
ISO 5168
January 1, 1978
Measurement of Fluid Flow - Estimation of Uncertainty of a Flow-Rate Measurement First Edition
A description is not available for this item.

References

This document references:
ISO 7066-2 - Assessment of Uncertainty in the Calibration and Use of Flow Measurement Devices - Part 2: Non-Linear Calibration Relationships First Edition
Published by ISO on January 1, 1988
A description is not available for this item.
This document is referenced by:
ISO 9951 - Measurement of Gas Flow in Closed Conduits - Turbine Meters
Published by ISO on January 1, 1993
This International Standard specifies dimensions, ranges, construction, performance, calibration and output characteristics of turbine meters for gas flow measurement. It also deals with installation...
This document is referenced by:
ISO 4006 - Measurement of Fluid Flow in Closed Conduits - Vocabulary and Symbols
Published by ISO on January 1, 1991
This International Standard defines the terms to be used in the field of measurement of fluid flow in closed conduits, and gives the corresponding symbols. It has been found necessary to exclude...
This document is referenced by:
ISO 4185 - Measurement of Liquid Flow in Closed Conduits - Weighing Method (CEN EN 24185: 1993)
Published by ISO on January 1, 1980
Scope and field of application This International Standard specifies a method of liquid flow-rate measurement in closed conduits by measuring the mass of liquid delivered into a weighing tank in a...
This document is referenced by:
ISO 12242 - Measurement of fluid flow in closed conduits - Ultrasonic transit-time meters for liquid
Published by ISO on July 1, 2012
This International Standard specifies requirements and recommendations for ultrasonic liquid flowmeters, which utilize the transit time of ultrasonic signals to measure the flow of single-phase...
This document is referenced by:
5167-1 - Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 1: General principles and requirements
Published by ISO on June 1, 2022
This document defines terms and symbols and establishes the general principles for methods of measurement and computation of the flow rate of fluid flowing in a conduit by means of pressure...
This document is referenced by:
ISO 5167-2 - Measurement of Fluid Flow by Means of Pressure Differential Devices Inserted in Circular-Cross Section Conduits Running Full - Part 2: Orifice Plates
Published by ISO on March 1, 2003
This part of ISO 5167 specifies the geometry and method of use (installation and operating conditions) of orifice plates when they are inserted in a conduit running full to determine the flowrate of...
This document is referenced by:
748 - Hydrometry — Measurement of liquid flow in open channels — Velocity area methods using point velocity measurements
Published by ISO on November 1, 2021
This document specifies methods for determining the velocity and cross-sectional area of water flowing in open channels and for calculating the discharge employing point velocity measurement devices....
This document is referenced by:
5167-1 - Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 1: General principles and requirements
Published by ISO on June 1, 2022
This document defines terms and symbols and establishes the general principles for methods of measurement and computation of the flow rate of fluid flowing in a conduit by means of pressure...
This document is referenced by:
748 - Hydrometry — Measurement of liquid flow in open channels — Velocity area methods using point velocity measurements
Published by ISO on November 1, 2021
This document specifies methods for determining the velocity and cross-sectional area of water flowing in open channels and for calculating the discharge employing point velocity measurement devices....
This document is referenced by:
ISO 5167-2 - Measurement of Fluid Flow by Means of Pressure Differential Devices Inserted in Circular-Cross Section Conduits Running Full - Part 2: Orifice Plates
Published by ISO on March 1, 2003
This part of ISO 5167 specifies the geometry and method of use (installation and operating conditions) of orifice plates when they are inserted in a conduit running full to determine the flowrate of...
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