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BSI 23/30461342 DC:2023 Edition

$13.70

BS ISO 4266-2. Petroleum and liquid petroleum products. Measurement of level and temperature in storage tanks by automatic methods – Part 2. Measurement of level in marine vessels

Published By Publication Date Number of Pages
BSI 2023 19
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PDF Catalog

PDF Pages PDF Title
1 30461342-NC.pdf
3 ISO_DIS 4266-2 ed.2 – id.85471 Enquiry PDF (en).pdf
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Precautions
4.1 Safety precautions
4.1.1 General
4.1.2 Equipment precautions
11 4.2 General precautions
4.2.1 Accuracy and performance
4.2.2 Speed of response
4.2.3 Protection from mechanical damage
4.2.4 Manual gauging
12 4.2.5 Minimum measurable level
4.2.6 Trim and list
4.2.7 Product temperatures
4.2.8 Compatibility
4.2.9 Entrained air and vapour
4.2.10 Vessel motion
4.3 Use of marine ALGs in fiscal/custody transfer
13 5 Accuracy
5.1 Intrinsic error of ALGs
5.2 Calibration prior to installation
5.3 Initial shipyard adjustment
5.4 Error caused by operating conditions
5.5 Overall accuracy
5.5.1 General
5.5.2 Use of ALGs for fiscal/custody transfer purposes
14 6 Installation of marine ALGs
6.1 General
6.2 Location of ALG
6.3 Location of manual calibration check point
6.4 Gauging of inerted tanks
7 Onboard verification of marine ALGs
7.1 General precautions
7.1.1 Check for smooth operation of level-sensing elements— at the shipyard
7.1.2 ALG technology-specific considerations
7.2 Verification by innage gauging or ullage gauging
15 7.3 Initial verification
7.4 Subsequent verification
7.4.1 General
7.4.2 Agreement between ALG reading and manual gauge reading
7.4.3 Use of average gauge readings
7.4.4 Adjustment of the ALG
7.5 Verification by alternate methods
16 7.6 Schedule for regular ALG verification
7.7 Record keeping
8 Data communication and receiving
8.1 Introduction
8.2 Use of remote readout in fiscal/custody transfer
8.3 Telemetry and readout equipment
17 Annex€A (informative) Accuracy limitations of marine level measurement
18 Annex€B (informative) Accuracy limitations of marine volume measurement
19 Bibliography
BSI 23/30461342 DC
$13.70