JJF 1440-2013Calibration Specification for Hybrid Tank Measurement System (English PDF)

1 Scope (1)

2 References (1)

3 Terms and Definitions (1)

4 System Overview (2)

5 Metrological characteristics (6)

6 Calibration conditions (8)

7 Calibration items and calibration methods (8)

8 Expression, calibration results (12)

9 Recalibration interval (12)

Appendix A measurement accuracy and uncertainty analysis (13)

Appendix B equipment installation (20)

Appendix C calibration certificate cover and inside page format (26)

Appendix D calibration record form (for reference) (28)

Introduction

This specification is a reference to ISO 15169:2003 to determine the "oil and liquid petroleum products mixed measurement system Volume in the vertical oil products, the density and quality "(Petroleumandliquidpetroleumproducts-De-terminationofvolume, densityandmassofthehydrocarboncontentofverticalcylindri-caltanksbyhybridtankmeasurementsystems), ISO 4266-1:2002 "Petroleum and liquid petroleum Product tank level and temperature automatic measurement - Part 1. atmospheric tank level measurement "(Petroleum andliquidpetroleumproducts-Measurementoflevelandtemperatureinstoragetanksbyau-tomaticmethods-Part 1. Measurementoflevelinatmospherictanks), GB/T 21451.4-2008 "Petroleum and liquid petroleum product storage tank level and temperature automatic measurement - Part 4. temperature and atmospheric tanks Measurement "written on the basis of content.

The specification for the first time to develop.

Hybrid tank measurement system calibration specifications

1 Scope

This standard applies to atmospheric hybrid tank measurement system (HTMS) calibration.

2. References

This specification refers to the following documents.

JJF 1001 common measurement terms and definitions GB/T 1884 crude oil and liquid petroleum products - Laboratory determination of density (density meter method) GB/T 1885 Petroleum Measurement Tables GB/T 4756 petroleum liquids hand sampling method GB/T 8927 Petroleum and liquid petroleum products - Temperature measurements - Manual methods GB/T 13236-2011 Petroleum and liquid petroleum product storage tank level measurement equipment manual GB/T 13894 Petroleum and liquid petroleum products - Measurement of liquid level (manual method) GB/T 18273-2000 Petroleum and liquid petroleum products - Direct static vertical oil tank measurement (HTG quality measurement) GB/T 19779-2005 Petroleum and liquid petroleum products - Calculation of oil static measurement GB/T 21451.4-2008 Petroleum and liquid petroleum product storage tank liquid level and temperature Automatic Measurement Act Part 4. atmospheric tank temperature measurement 4266-1 ISO . PART 12002 Petroleum and liquid petroleum product storage tank level and temperature measurements automatically Score. atmospheric tank level measurement (Petroleumandliquidpetroleumproducts-Measurementof levelandtemperatureinstoragetanksbyautomaticmethods-Part 1. Measurementof levelinatmospherictanks) ISO 15169:2003 Petroleum and liquid petroleum product using a mixed measurement system to determine within the vertical oil products Volume, density and mass (Petroleumandliquidpetroleumproducts-Determinationofvol-ume, densityandmassofthehydrocarboncontentofverticalcylindricaltanksbyhybrid tankmeasurementsystems) for dated references, only the dated edition applies to this specification; undated reference documents Member, the latest edition (including any amendments) applies to this specification.

3 Terms and Definitions 3.1 hybrid tank measurement systems hybridtankmeasurementsystem (HTMS) by an automatic level gauge (ALG), automatic tank thermometers (ATT) and hydrostatic measurement system consisting of use to measure the volume of oil and petroleum products within the tank, and (or) quality automated metering system.

3.2 stable liquid pipe stiling-wel Inside the tank level gauge for the installation of automatic vertical perforated tube, it can serve to reduce turbulence due to the liquid surface layer flow