Reference number
ISO 7507-2:2022
© ISO 2024
International Standard
ISO 7507-2:2022
Petroleum and liquid petroleum products — Calibration of vertical cylindrical tanks — Part 2: Optical-reference-line method or electro-optical distance-ranging method
Edition 3
2022-03
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Published (Edition 3, 2022)

ISO 7507-2:2022

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Format
CHF 151
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Abstract

This document specifies methods for the calibration of tanks above eight metres in diameter with cylindrical courses that are vertical. It provides two methods for determining the volumetric quantity of the liquid contained within a tank at gauged liquid levels.

NOTE      For optical-reference-line method, the optical (offset) measurements required to determine the circumferences can be taken internally or externally, provided that insulation is removed if tank is insulated.

The methods are suitable for tilted tanks with up to 3 % deviation from the vertical provided that a correction is applied for the measurement tilt, as described in ISO 7507-1.

These methods are alternatives to other methods such as strapping (ISO 7507-1) and the optical-triangulation method (ISO 7507-3).

General information

  • Status
     : Published
    Publication date
     : 2022-03
    Stage
    : International Standard published [60.60]
  • Edition
     : 3
    Number of pages
     : 28
  • Technical Committee :
    ISO/TC 28/SC 2
    ICS :
    75.180.30 
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