SN/T 2389.7-2011 English PDF

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SN/T 2389.7-2011: Rules of measurement survey on import and export commodities. Part 7: Measurement of level in pressurized storage tanks(non-refrigerated) by automatic methods
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2389.7-2011	159	Add to Cart	3 days	Rules of measurement survey on import and export commodities. Part 7: Measurement of level in pressurized storage tanks(non-refrigerated) by automatic methods	Valid

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JJF 1951   JJF 1561   JJF 1406   SN/T 2389.11   SN/T 2389.1   SN/T 2389.10   

Basic data

Standard ID: SN/T 2389.7-2011 (SN/T2389.7-2011)
Description (Translated English): Rules of measurement survey on import and export commodities. Part 7: Measurement of level in pressurized storage tanks(non-refrigerated) by automatic methods
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: A52
Word Count Estimation: 6,664
Date of Issue: 2011-05-31
Date of Implementation: 2011-12-01
Regulation (derived from): ?AQSIQ-Inspection [2011] 291
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the import and export of goods in the warehouse transshipment of liquid measurement method automatic level instrument. This section applies to vapor pressure in the pressure tank level measurement of liquid cargo 4MPa. Can be used for contact/non-contact automatic level gauge precision calculation, installation, debugging, correction, calibration, measurement and results to determine such links.

SN/T 2389.7-2011: Rules of measurement survey on import and export commodities. Part 7: Measurement of level in pressurized storage tanks(non-refrigerated) by automatic methods

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Rules of measurement survey on import and export commodities.Part 7. Measurement of level in pressurized storage tanks (non-refrigerated) by automatic methods People's Republic of China Entry-Exit Inspection and Quarantine Standards Import and Export containers weighing procedures Part 7. shore vertical metal pressure tanks (non-refrigerated) Level Automatic Measurement Part 7. Measurementoflevelinpressurizedstoragetanks (non-refrigerated) Issued on. 2011-05-31 2011-12-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

SN/T 2389 "Import and Export container weight regulations" series of standards is divided into seven sections. --- Part 1. Terminology --- Part 2. Animal and vegetable oils shore vertical metal tank static weight --- Part 3. Orimulsion shore vertical metal tank static weight --- Part 4. LPG cabin static weight --- Part 5. shore oil vertical metal tank static weight --- Part 6. determination line between the shore boat fullness --- Part 7. shore vertical metal pressure tanks (non-refrigerated) level automatic measurement This section SN/T 2389 "Import and Export container weight" Regulations Section 7. This section is based on GB/T 1.1-2000 "Standardization Guide Part 1. Standard structure and write rules" written. This section proposed and managed by the National Certification and Accreditation Administration Committee. This section was drafted by. People's Republic of China Ningbo Exit Inspection and Quarantine. The main drafters of this section. Chen educating people, according to Kim Jin, Lin should be early, Zhu Bo, Zhou Chengdong. The first part of the Department of Inspection and Quarantine issued by industry standards. Import and Export containers weighing procedures Part 7. shore vertical metal pressure tanks (non-refrigerated) Level Automatic Measurement

1 Scope

This section provides the import and export of liquid cargo automatic level gauge in warehouse transfusion in measurement methods. This section applies to the vapor pressure in the pressure tank level measurement of liquid cargoes 4MPa. It can be used for contact/non-contact automatic liquid Level meter precision calculations, installation, commissioning, correction, calibration, measurement and determination results and other aspects.

2 Terms and definitions

The following terms and definitions apply to this document. 2.1 Anchor weight anchorweight Automatic level instrument manipulation guide axis perpendicular to maintain weight and tension of the probe. 2.2 Automatic level gauge automaticlevelgauge; ALG Continuous measurement shore tank liquid level (liquid depth or ullage) instruments. 2.3 Automatic liquid level meter deep innage-basedautomaticlevelgauge For measuring the vertical distance between the surface and the lower portion of the reference point and the design and installation of an automatic level gauge. 2.4 Contact automatic level gauge intrusiveautomaticlevelgauge Its shore tank level sensor mounted in direct contact with liquid inside and the automatic level instrument, such as the float or servo automatic level gauge. 2.5 Non-contact automatic tank gauge non-intrusiveautomaticlevelgauge It does not directly touch the liquid level sensor for automatic level instrument, such as a microwave or radar-type automatic level gauge. 2.6 Guide tube/liquid pipe steady stil-wel Maintain the vertical rows of holes and there are ducts. Since the liquid used to reduce turbulence, the liquid level measurement error caused by fluctuations or agitation. 2.7 Ullage automatic tank gauge ulage-basedautomaticlevelgauge For measuring the vertical distance between the liquid surface and an upper reference point and the design and installation of an automatic level gauge.

3 Basic requirements

3.1 Working conditions Measurement 3.1.1 shore tank vapor pressure, gas temperature, liquid temperature or other relevant parameters must be carried out simultaneously with the level measurement. Measure will Be representative. 3.1.2 measure level, the level must be allowed to stand. 3.2 Technical conditions 3.2.1 Automatic level gauge should have sufficient sensitivity to accurately measuring the change in the level of the shore tank. When the environment changes, resulting in temporary surface ......

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