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GB/T 45373-2025: Petroleum and liquid petroleum products - Direct measurement of density in tanks - Resonance cylinder densitometer methods
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Petroleum and liquid petroleum products - Direct measurement of density in tanks - Resonance cylinder densitometer methods
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GB/T 45373-2025
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Basic data | Standard ID | GB/T 45373-2025 (GB/T45373-2025) | | Description (Translated English) | Petroleum and liquid petroleum products - Direct measurement of density in tanks - Resonance cylinder densitometer methods | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | E30 | | Classification of International Standard | 75.180.30 | | Word Count Estimation | 22,223 | | Date of Issue | 2025-02-28 | | Date of Implementation | 2025-09-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45373-2025: Petroleum and liquid petroleum products - Direct measurement of density in tanks - Resonance cylinder densitometer methods
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Petroleum and liquid petroleum products - Direct measurement of density in tanks - Resonance cylinder densitometer methods
The density of petroleum and liquid petroleum products in the tank is directly
Measurement by resonant cylinder density meter method
Petroleum and liquid petroleum products-Direct measurement of density in
tanks-Resonance cylinder densitometer methods
ICS 75.180.30
CCS E 30
National Standard of the People's Republic of China
Released on 2025-02-28
2025-09-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface ...
1 Scope ...
2 Normative referenced documents ...
3 Terms and Definitions ...
4 Principle ...
5 Safeguard Measures ...
References ...
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting is required.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the National Technical Committee for Standardization of Petroleum Products and Lubricants (SAC/TC 280).
This document was drafted by. Sinopec Petrochemical Research Institute Co., Ltd., Sinopec Sales Co., Ltd. Zhejiang Petroleum Branch
Sinopec Zhenhai Refining and Chemical Company, China Certification and Inspection Group Shandong Co., Ltd., Qingdao Aobang Measuring Instrument Co., Ltd.
Responsible Company, Beijing Junyou Xinye Technology Co., Ltd., and Beijing Ruisai Great Wall Aviation Measurement and Control Technology Co., Ltd.
The main drafters of this document are Wei Jinxiang, Sun Yan, Cao Lei, Teng Zhifang, Liu Chongwei, Zhang Shanyou, Fan Mingjun and Zhang Jinguang.
The density of petroleum and liquid petroleum products in the tank is directly
Measurement by resonant cylinder density meter method
1 Scope
This document specifies the general requirements for accuracy, measurement conditions and measurement methods for direct measurement of the density of oil in tanks by resonant cylinder densitometers.
The requirements are specified in the following two types of equipment. portable electronic density meter and tank automatic density meter.
Inspection method.
This document is applicable to single-phase liquid petroleum and its products with a reid vapor pressure of less than 100 kPa in atmospheric tanks and sufficient fluidity, and other
Similar products that meet the requirements shall be implemented accordingly.
This document applies to measuring density in inventory and transfer measurements.
This document is not applicable to density measurements in pressurized tanks or refrigerated tanks.
Note 1.For multifunctional electronic metering devices capable of measuring density, when based on the same principle as a resonant cylinder densitometer, the density measuring part is equivalent to the resonant cylinder
Density meter.
Note 2.Resonance cylinder densitometers are generally suitable for low-viscosity liquid petroleum products without wax. For viscous liquid crude oil and petroleum products, such as crude oil, lubricating oil,
and residual fuel oil, etc., may be difficult to use. Manufacturers usually give the maximum viscosity of the applicable liquid in the instruction manual.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies.
in this document.
GB/T 1884 Laboratory determination of density of crude oil and liquid petroleum products (density meter method)
GB/T 1885 Petroleum meter
GB/T 4756 Manual sampling method for petroleum liquids
GB/T 8927-2008 Manual method for temperature measurement of petroleum and liquid petroleum products
GB 13348 Safety regulations for static electricity of liquid petroleum products
GB/T 13894 Manual method for level measurement of petroleum and liquid petroleum products
GB/T 21451.1 Automatic measurement of liquid level and temperature in storage tanks for petroleum and liquid petroleum products Part 1.Liquid level in atmospheric pressure tanks
Measurement
GB/T 21451.4 Automatic measurement of level and temperature in petroleum and liquid petroleum product storage tanks Part 4.Temperature in atmospheric pressure tanks
Measurement
SH/T 0604 Density determination of crude oil and petroleum products (U-type vibrating tube method)
NB/SH/T 0874 Laboratory density determination of crude oil and liquid petroleum products - Weighing digital liquid density meter method
3 Terms and definitions
The terms and definitions defined in GB/T 21451.1 and GB/T 21451.4 and the following apply to this document.
3.1
Resonance cylinder densitometer
The resonant cylinder is used as a density sensor, and a temperature sensor is used to form a measuring probe and immersed in the liquid to be measured.
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