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BS ISO 4266-1:2023 – TC

$186.33

Tracked Changes. Petroleum and liquid petroleum products. Measurement of level and temperature in storage tanks by automatic methods – Measurement of level in atmospheric tanks

Published By Publication Date Number of Pages
BSI 2023 58
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PDF Catalog

PDF Pages PDF Title
38 National foreword
42 Foreword
43 1 Scope
2 Normative references
3 Terms and definitions
45 4 Precautions
4.1 Safety precautions
4.2 Equipment precautions
4.3 General precautions
46 5 Accuracy
5.1 Intrinsic error of ALGs
5.2 Calibration prior to installation
5.3 Error caused by installation and operating conditions
47 5.4 Overall accuracy
5.4.1 General
5.4.2 Use of ALGs for fiscal/custody transfer purposes
6 Installation of ALGs
6.1 General
6.2 Mounting location
6.3 Manufacturer’s requirements
6.4 Installation
53 6.5 Still-well design
54 7 Initial setting and initial verification of ALGs in the field
7.1 General
7.2 General precautions
7.2.1 Initial requirements
7.2.2 Manual reference level measurement procedure
7.2.3 Reference measurement tape and weight certification
7.2.4 Effect of weather
7.2.5 ALG technology-specific considerations
7.2.6 Application-specific considerations
55 7.3 Initial settings of ALGs
7.3.1 Setting against manual reference ullage measurements
7.3.2 Setting against manual reference dip (innage) measurements
56 7.4 Initial verification
7.4.1 General
57 7.4.2 ​Verification conditions
7.4.3 Initial verification procedures
59 7.5 Record keeping
8 Subsequent verification of ALGs
8.1 General
8.2 Frequency of subsequent verification
8.3 Procedure for subsequent verification
8.4 Tolerance for subsequent verification
60 9 Data communication and receiving
61 Bibliography
BS ISO 4266-1:2023 - TC
$186.33