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  • BS 7701:1993

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Specification for float-type level gauges for measuring liquid levels in tanks containing refrigerated light-hydrocarbon fluids

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-05-2008

    Language(s):  English

    Published date:  15-10-1993

    Publisher:  British Standards Institution

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

    Committees responsible
    National foreword
    Specification
    1. Scope
    2. Normative references
    3. Definitions
    4. Gauge materials and construction
    5. Environmental conditions and allowable power
         supply fluctuations
    6. Performance
    7. General requirements for measurement of liquid
         level
    8. Installation
    9. Calibration and verification
    10. Instrumentation requirements for gas-dangerous
         spaces
    Tables
    1. Environmental conditions for the various parts of
         float-type level gauges (for shore tanks)
    2. Environmental conditions for the various parts of
         float-type level gauges (for ships' tanks)
    3. Allowable fluctuations of power supply source (for
         ship and shore tanks)
    Figures
    1. Example of system diagram of a float-type level
         gauge (mechanical type for ships' tanks)
    2. Example of system diagram of a float-type level
         gauge (servo-operated for shore tanks)

    Abstract - (Show below) - (Hide below)

    Specifies the essential requirements and verification procedures for float-type level gauges to be used for ship and shore tanks containing refrigerated light-hydrocarbon fluids. Includes the following headings: gauge materials and construction; general requirements for measurement of liquid level; instrumentation requirements for gas-dangerous spaces; calibration and verification; environmental conditions and allowable power supply fluctuations. Also includes detailed definitions, tables and diagrams.

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

    Committee PTI/12
    Development Note Also numbered as ISO 10574 (10/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    IEC 60092-504:2016 Electrical installations in ships - Part 504: Automation, control and instrumentation
    IEC 60079-5:2015 RLV Explosive atmospheres - Part 5: Equipment protection by powder filling "q"
    BS 5967-2(1980) : 1980 AMD 9959 OPERATING CONDITIONS FOR INDUSTRIAL PROCESS MEASUREMENT AND CONTROL EQUIPMENT - SPECIFICATION FOR POWER
    IEC 60079-11:2011 Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
    IEC 60079-6:2015 Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o"
    IEC 60079-0:2011 Explosive atmospheres - Part 0: Equipment - General requirements
    BS 5345-2:1983 Code of practice for selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture) Classification of hazardous areas
    BS 4683-2:1971 Specification for electrical apparatus for explosive atmospheres The construction and testing of flameproof enclosures of electrical apparatus
    IEC TR 60079-12:1978 Electrical apparatus for explosive gas atmospheres - Part 12:Classification of mixtures of gases of vapours with air accordingto their maximum experimental safe gaps and minimum ignitingcurrents
    BS 5967-1:1980 Operating conditions for industrial-process measurement and control equipment. Specification for temperature, humidity and barometric pressure
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