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BS 7812:1995 Guide for selection, specification, installation, operation and maintenance of automatic liquid level and temperature measuring instruments on petroleum storage tanks

Other Titles Withdrawn Description Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail. Abstract 1.1 This International Standard gives guidance on the selection, specification, installation, operation and maintenance of mechanical and servo-operated automatic tank gauging systems measuring level and temperature in petroleum storage tanks which are at or near atmospheric temperature and pressure, or used under pressure, or for the storage of heated liquid petroleum products. This International Standard does not apply to tank gauging systems using other sensing principles, such as radar and optical methods. NOTE 1 Automatic level gauges may be used with either manual or automatic temperature measurement and automatic temperature measurement may be used with either manual or automatic level gauging. The provisions of this International Standard are intended to ensure a sufficiently high degree of accuracy to meet the requirements of normal commercial operation. This International Standard does not apply to level and temperature measurement systems for refrigerated hydrocarbon liquids, for which reference should be made to ISO 8309 and ISO 8310. 1.2 The provisions of this International Standard are intended to meet the requirements of accuracy necessary for custody transfer purposes. However, automatic level gauges are widely used for monitoring the movements of oil to and from storage tanks for stock control, for which a lower standard of accuracy may be acceptable. 1.3 The user of automatic tank gauging systems should consult the system manufacturer for details of any specific requirements not covered in this International Standard.

Contributor(s): MAR - Author Primary Item Type: British Standard Identifiers: ISBN 0580241386 ICS 75.180.30 Volumetric equipment and measurements Language: English Subject Keywords: Installation; Temperature-measuring instruments; Maintenance; Specifications; Fuel storage; Gauges; Tanks (containers); Accuracy; Data transmission; Liquid-level measurement; Liquid-level indicators; Petroleum products; Verification; Automatic; Calibration; Thermometers; Selection; Electric wiring systems; Safety measures First presented to the public: 12/29/2022 Original Publication Date: 6/15/1995 Previously Published By: British Standards Institution Place Of Publication: London, United Kingdom Citation: Extents: Number of Pages - 22 License Grantor / Date Granted:   / ( View License ) Date Deposited 2022-12-29 11:17:49.579 Submitter: Muhamad Azmil Ramli

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