• BS IEC 61577-4 : 2009

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    RADIATION PROTECTION INSTRUMENTATION - RADON AND RADON DECAY PRODUCT MEASURING INSTRUMENTS - PART 4: EQUIPMENT FOR THE PRODUCTION OF REFERENCE ATMOSPHERES CONTAINING RADON ISOTOPES AND THEIR DECAY PRODUCTS (STAR)

    Available format(s):  Hardcopy, PDF

    Superseded date:  31-01-2015

    Language(s):  English

    Published date:  01-01-2009

    Publisher:  British Standards Institution

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

    FOREWORD
    INTRODUCTION
    1 Scope and object
    2 Normative references
    3 Terms, definitions and units
      3.1 General terms and definitions
      3.2 Specific terms and definitions
      3.3 Units and conversion factors
    4 General description of a System for Test
      Atmospheres with Radon (STAR)
      4.1 General
      4.2 Mode of operation of a STAR
          4.2.1 Static mode of operation
          4.2.2 Dynamic mode of operation
    5 Characteristics of a STAR
      5.1 General
      5.2 STAR for radon
          5.2.1 General
          5.2.2 Technical characteristics of STAR containers
          5.2.3 Radon sources
          5.2.4 [222]Rn and [220]Rn analysis and control
          5.2.5 Analysis and control of climatic parameters
      5.3 STAR for radon and RnDP
          5.3.1 General
          5.3.2 Technical characteristics of STAR containers
          5.3.3 RnDP sources
          5.3.4 RnDP analysis and control
          5.3.5 Sampling flow rate of equipment under test
          5.3.6 Analysis and control of climatic parameters
    6 Requirements for the reference atmosphere provided by
      STAR
      6.1 General
      6.2 Reference conditions
      6.3 Influence quantities
          6.3.1 General
          6.3.2 Temperature
          6.3.3 Relative humidity
          6.3.4 Atmospheric pressure
          6.3.5 Ambient gamma field
          6.3.6 Working range for exposure to RnDP
          6.3.7 Working range for aerosols
          6.3.8 Exposure time for the instrument under test
    7 Calibration and traceability of measurement methods
      and instruments used in a STAR
      7.1 Traceability chains
      7.2 Quality assurance
    Annex A (informative) - Characteristics of atmospheres that
            can be simulated in a STAR
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes the general features concerning test and calibration of radon and radon decay products measuring instruments.

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    Committee NCE/2
    Development Note Supersedes 07/30122906 DC. (03/2009) Renumbered and superseded by BS EN 61577-4. (02/2015)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
    IEC 60050-394:2007 International Electrotechnical Vocabulary (IEV) - Part 394: Nuclear instrumentation - Instruments, systems, equipment and detectors
    ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
    IEC 60050-111:1996 International Electrotechnical Vocabulary (IEV) - Part 111: Physics and chemistry
    IEC 60050-393:2003 International Electrotechnical Vocabulary (IEV) - Part 393: Nuclear instrumentation - Physical phenomena and basic concepts
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