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See Chinese contents: GB/T 21451.5-2019 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
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.
