Petroleum and liquid petroleum products. Calibration of vertical cylindrical tanks - Internal electro-optical distance-ranging method Ingestion-build-82061 BS 7121-7 on practice for

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Petroleum and liquid petroleum products. Calibration of vertical cylindrical tanks - Internal electro-optical distance-ranging method Ingestion-build-82061 BS 7121-7 on practice for1 Scope This part of ISO 7507 specifies a method for the calibration of vertical cylindrical tanks having diameters greater than 5 m by means of internal measurements using an electro optical distance ranging (EODR) instrument, and for the subsequent compilation of tank capacity tables. The method is suitable for tanks tilted up to a 3 % deviation from the vertical, provided that a correction is applied for the measured tilt as described in ISO 7507