This document gives requirements and guidance on the accuracy, installation, commissioning, calibration and verification of automatic level gauges (ALGs). It applies to ALGs which are both intrusive and non-intrusive types, in fiscal/custody transfer applications for measuring the level of petroleum and petroleum products having a Reid vapour pressure less than 100 kPa, stored in atmospheric storage tanks.
This document is not applicable to the measurement of level in refrigerated storage tanks with ALG equipment.
Status: PublishedPublication date: 2023-05
Edition: 2Number of pages: 19
Technical Committee: ISO/TC 28/SC 2 Measurement of petroleum and related products
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