BS 7723-2:1994
Current
The latest, up-to-date edition.
Methods for calibration of vertical cylindrical tanks for petroleum and liquid petroleum products Optical-reference-line method
Hardcopy , PDF
English
15-01-1994
Committees responsible
National foreword
Introduction
Method
1 Scope
2 Normative references
3 Definitions
4 Precautions
5 Equipment
6 Procedure
7 Tolerances
8 Tank capacity calculation procedure
Annexes
A (normative) Method for calibrating bottoms of tanks
B (normative) Specification for equipment used in
strapping
Tables
1 Minimum number of stations
Figures
1 Optical measurement of offsets from tank wall (typical
case)
2 Determination of internal radius from offsets to
external optical reference line
3 Determination of internal radius from offsets to
internal optical reference line
Specifies a method for the calibration of tanks above 8 mm in diameter with cylindrical courses that are substantially vertical. Gives a method for determining the volumetric quantity contained within a tank at gauged liquid levels.
| Committee |
PTI/12
|
| DevelopmentNote |
Also numbered as ISO 7507-2:1993 Supersedes 87/52651 DC (10/2005)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
1.1 This part of ISO 7507 specifies a method for the calibration of tanks above 8 m in diameter with cylindrical courses that are substantially vertical. It provides a method for determining the volumetric quantity contained within a tank at gauged liquid levels.
The optical (offset) measurements required to determine the circumferences may be taken internally or externally.
1.2 Abnormally deformed, e.g. dented or non-circular, tanks are excluded from this part of ISO 7507.
1.3 This method is suitable for tilted tanks up to 3 % deviation from the vertical provided that a correction is applied for the measurement tilt, as described in ISO 7507-1.
| Standards | Relationship |
| ISO 7507-2:1993 | Identical |
| BS 7723-4:1995 | Methods for calibration of vertical cylindrical tanks for petroleum and liquid petroleum products Internal electro-optical distance-ranging method |
| BS 7723-1:1994 | Methods for calibration of vertical cylindrical tanks for petroleum and liquid petroleum products Strapping method |
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