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STANDARD 4266-2
Second edition
2023-11
Petroleum and liquid petroleum
products — Measurement of level
and temperature in storage tanks by
automatic methods —
Part 2:
Measurement of level in marine
vessels
Pétrole et produits pétroliers liquides — Mesurage du niveau et de
la température dans les réservoirs de stockage par des méthodes
automatiques —
Partie 2: Mesurage du niveau dans les citernes de navire
Reference number
ISO 4266-2:2023(E)
© ISO 2023
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ISO 4266-2:2023(E)
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© ISO 2023
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Published in Switzerland
ii
© ISO 2023 – All rights reserved
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ISO 4266-2:2023(E)
Contents Page
Foreword .v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Precautions . 3
4.1 Safety precautions . 3
4.1.1 General . 3
4.1.2 Equipment precautions . 3
4.2 General recommendations . 3
4.2.1 Accuracy and performance . 3
4.2.2 Speed of response . 3
4.2.3 Protection from mechanical damage . 4
4.2.4 Manual gauging . 4
4.2.5 Minimum measurable level . 4
4.2.6 Trim and list . 4
4.2.7 Product temperatures . 4
4.2.8 Compatibility . 4
4.2.9 Entrained air and vapour .
...