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    I.S. EN ISO 4373:2008

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    HYDROMETRY - WATER LEVEL MEASURING DEVICES

    Available format(s):  Hardcopy, PDF

    Superseded date:  13-05-2022

    Language(s):  English

    Published date:  31-12-2007

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Instrument specification
      4.1 Performance classifications
      4.2 General
      4.3 Maximum rate of change
      4.4 Environment
      4.5 Timing
    5 Recording
      5.1 Chart recorders
      5.2 Data loggers
    6 Enclosure
    7 Installation
    8 Estimation of measurement uncertainty
      8.1 General
      8.2 Type-A estimation
      8.3 Type-B estimation
      8.4 Level measurement datum
      8.5 Combining primary measurement uncertainties
    Annex A (informative) - Types of water level measuring devices
          A.1 Reference gauges
          A.2 Peak level gauges
          A.3 Mechanical float and counterweight gauges
          A.4 Air reaction gauges
          A.5 Electrical pressure transducers
          A.6 Echo-location, acoustic instruments
          A.7 Echo-location, radar instruments
          A.8 Systems using electrical properties
          A.9 Recording device
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes the functional requirements of instrumentation for measuring the level of water surface (stage), primarily for the purpose of determining flow rates.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By

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

    IEC 60079-10:2002 Electrical apparatus for explosive gas atmospheres - Part 10: Classification of hazardous areas
    IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    ISO 772:1996 Hydrometric determinations — Vocabulary and symbols
    ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
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