BS ISO 4266-6:2002
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 pressurized storage tanks (non-refrigerated)
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
7.1 Introduction
7.2 Electrical temperature elements
7.2.1 Resistance temperature detectors
7.2.2 Other temperature elements
8 Installation of ATTs
8.1 General
8.2 Single-point (spot) temperature elements
8.3 Multiple-point temperature elements
8.4 Moveable spot temperature element
8.5 Other methods
8.6 Thermowells for electronic temperature elements
8.7 Thermowells for verification purposes
9 Calibration and field verification of ATTs
9.1 Introduction
9.2 Calibration of single-point temperature element
ATTs used for fiscal/custody transfer purpose
9.2.1 Calibration prior to installation
9.2.2 Initial field verification
9.3 Calibration of upper, middle and lower or
multiple-point ATTs
9.3.1 Calibration prior to installation
9.3.2 Initial field verification
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
Bibliography
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