BS ISO 4266-5:2002
Current
The latest, up-to-date edition.
Petroleum and liquid petroleum products. Measurement of level and temperature in storage tanks by automatic methods Measurement of temperature in marine vessels
Hardcopy , PDF
English
09-12-2002
1 Scope
2 Normative reference
3 Terms and definitions
4 Precautions
4.1 Safety precautions
4.2 Equipment precautions
4.3 General precautions
5 Accuracy
5.1 General
5.2 Intrinsic error of ATTs
5.3 Calibration prior to installation
5.3.1 General
5.3.2 ATT calibrated as a system
5.3.3 ATT calibrated by components
5.3.4 Multiple-point ATTs
5.3.5 Uncertainty of the reference
5.4 Error caused by installation and operating conditions
5.5 Overall accuracy
5.5.1 General
5.5.2 Use of ATT for fiscal/custody transfer purposes
6 Selection of ATTs
6.1 General
6.2 ATTs for fiscal/custody transfer purpose
7 Description of ATT equipment - Electrical temperature elements
7.1 Resistance temperature detectors
7.2 Other temperature elements
8 Installation of marine ATTs
8.1 General
8.2 Location of temperature-sensing element(s)
8.3 Location of manual (temperature) gauge hatch
8.4 Temperature measurement of inerted tanks
9 Calibration and on-board verification of marine ATTs
9.1 Introduction
9.2 Calibration of single-point temperature element
ATTs for fiscal/custody transfer purposes
9.2.1 Calibration prior to installation
9.2.2 Initial verification at shipyard or during sea trials
9.3 Calibration of multiple-point ATTs for fiscal/custody
transfer purposes
9.3.1 Calibration prior to installation
9.3.2 Initial on-board verification at shipyard or
during sea trials
9.4 Subsequent verification of ATTs
9.4.1 General
9.4.2 Frequency of subsequent verification
9.4.3 Record keeping
10 Data communication and receiving
Annex
A - Accuracy limitations of tank-temperature measurements
on board marine vessels
Bibliography
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