BS ISO 4266-2:2023 2024

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Petroleum and liquid petroleum products. Measurement of level and temperature in storage tanks by automatic methods – Measurement of level in marine vessels

Published By	Publication Date	Number of Pages
BSI	2024	22

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Categories: 75.180.30 - Volumetric equipment and measurements, BSI

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Description

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PDF Pages	PDF Title
2	National foreword
7	Foreword
8	Introduction
9	1 Scope 2 Normative references 3 Terms and definitions
11	4 Precautions 4.1 Safety precautions 4.1.1 General 4.1.2 Equipment precautions 4.2 General recommendations 4.2.1 Accuracy and performance 4.2.2 Speed of response
12	4.2.3 Protection from mechanical damage 4.2.4 Manual gauging 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
13	4.3 Use of marine ALGs in fiscal/custody transfer 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
14	5.5 Overall accuracy 5.5.1 General 5.5.2 Use of ALGs for fiscal/custody transfer purposes 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
15	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 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
16	7.4.4 Adjustment of the ALG 7.5 Verification by alternate methods 7.6 Schedule for regular ALG verification 7.7 Record keeping 8 Data communication and receiving 8.1 General 8.2 Use of remote readout in fiscal or custody transfer
17	8.3 Telemetry and readout equipment
18	Annex A (informative) Accuracy limitations of marine level measurement
19	Annex B (informative) Accuracy limitations of marine volume measurement
20	Bibliography

Additional information

Status	Definitive
Pages	22
Publication Date	2024-03-12
ISBN	978 0 539 23641 5
Standard Number	BS ISO 4266-2:2023
Title	Petroleum and liquid petroleum products. Measurement of level and temperature in storage tanks by automatic methods – Measurement of level in marine vessels
Identical National Standard Of	ISO 4266-2
Replaces	BS ISO 4266-2:2002
Descriptors	Fuel storage, Liquefied petroleum gas, Petroleum technology, Temperature measurement, Petroleum products, Marine transport, Gauges, Level control, Water transport engineering, Tanks (containers), Automatic
Publisher	BSI
Committee	PTI/12
ICS Codes	75.180.30 - Volumetric equipment and measurements

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BS ISO 4266-2:2023 2024

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