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  • BS ISO 11631 : 1998

    Current The latest, up-to-date edition.
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    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-1998

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    1 Scope
    2 Normative reference
    3 Terms and definitions
    4 General requirements
    5 Traceability
    6 Uncertainty of flow measurement
    7 Conditions of use
    8 Traceability group
    Annex A (informative) Illustrations of linearity
    Annex B (normative) Repeatability

    Abstract - (Show below) - (Hide below)

    Applicable to technical specifications and descriptions issued by manufacturers of flowmeters. Defines procedures for describing the performance of any flowmeter, to be used in either closed conduits or open channels. Indicates the classification of flowmeters in accordance with their traceability group, and defines the expressibility of the manufacturer's statements on assurance and conditions of use.

    General Product Information - (Show below) - (Hide below)

    Committee CPI/30/9
    Development Note Supersedes 91/33768 DC. (07/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Current

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 7066-2:1988 Assessment of uncertainty in the calibration and use of flow measurement devices Part 2: Non-linear calibration relationships
    ISO/IEC Guide 25:1990 General requirements for the competence of calibration and testing laboratories
    IEC 60770:1984 Methods of evaluating the performance of transmitters for use in industrial-process control systems
    ISO/TR 5168:1998 Measurement of fluid flow Evaluation of uncertainties
    ISO/TR 7066-1:1997 Assessment of uncertainty in calibration and use of flow measurement devices — Part 1: Linear calibration relationships
    ISO 4006:1991 Measurement of fluid flow in closed conduits Vocabulary and symbols
    ISO 3534-1:2006 Statistics Vocabulary and symbols Part 1: General statistical terms and terms used in probability
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