GB/T 21451.5-2019: Petroleum and liquid petroleum products -- Measurement of level and temperature in storage tanks by automatic methods -- Part 5: Measurement of temperature in marine vessels

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Scope

This Part of GB/T 21451 provides the selection, accuracy, installation, debugging,
calibration and inspection guidance for automatic tank thermometer (ATT), which is
adopted for the measurement of temperature of petroleum and liquid petroleum
products in marine vessels.
This Part is applicable to the custody transfer metering of petroleum and liquid
petroleum products with the Reid vapor pressure of not more than 100 kPa.
This Part is inapplicable to temperature measurement in refrigerated cargo hold or
pressure cargo hold in marine vessels.

Basic Data

Standard ID	GB/T 21451.5-2019 (GB/T21451.5-2019)
Description (Translated English)	Petroleum and liquid petroleum products -- Measurement of level and temperature in storage tanks by automatic methods -- Part 5: Measurement of temperature in marine vessels
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	E30
Classification of International Standard	75.180.30
Word Count Estimation	10,116
Date of Issue	2019-03-25
Date of Implementation	2019-10-01
Quoted Standard	GB/T 8927; ISO 1998-1; ISO 1998-2; ISO 1998-3; ISO 1998-4; ISO 1998-5; ISO 1998-6; ISO 1998-7; ISO 1998-99
Adopted Standard	ISO 4266-5-2002, MOD
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration
Summary	This standard specifies guidelines for the selection, accuracy, installation, commissioning, calibration and inspection of automatic tank thermometers (ATT) for temperature measurement of petroleum and liquid petroleum products in tanker tanks. This standard applies to the transfer metering of petroleum and liquid petroleum products with a Reid vapor pressure not exceeding 100 kPa. This standard does not apply to temperature measurements in refrigerated or pressurized cargo tanks on board ships.