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API MPMS 7.4

Manual of Petroleum Measurement Standards Chapter 7 - Temperature Determination Section 4 - Static Temperature Determination Using Fixed Automatic Tank Thermometers

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Organization: API
Publication Date: 1 January 1993
Status: inactive
Page Count: 21
scope:

1.0 Scope

This standard covers the static determination of temperatures of petroleum and petroleum products in stationary aboveground bulk storage tanks using fixed automatic tank temperature (ATT) systems that include precision temperature sensors, field-mounted transmitters for electronic signal transmission, and readout equipment. This standard discusses temperature measurement in general, the requirements for custody transfer, and inventory control applications. It also discusses the requirements for data collection, transmission, and receiving. Appendix A of this standard describes local reading thermometers.

This standard does not cover the determination of temperature for hydrocarbons having a Reid vapor pressure above 15 pounds per square inch absolute (101 kPa).

Safety and material compatibility precautions should be taken into consideration when using fixed ATT systems. The manufacturer's recommendations on the use and installation of the equipment should be followed. Users of fixed ATT systems should comply with all applicable codes, regulations, and API standards and the National Electric Code (NEC).

Document History

January 1, 2018
Manual of Petroleum Measurement Standards Chapter 7-Temperature Determination Section 4-Dynamic Temperature Measurement
This standard describes methods, equipment, installation, and operating procedures for the proper determination of the temperature of hydrocarbon liquids under dynamic conditions in custody transfer...
API MPMS 7.4
January 1, 1993
Manual of Petroleum Measurement Standards Chapter 7 - Temperature Determination Section 4 - Static Temperature Determination Using Fixed Automatic Tank Thermometers
1.0 Scope This standard covers the static determination of temperatures of petroleum and petroleum products in stationary aboveground bulk storage tanks using fixed automatic tank temperature (ATT)...

References

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