Petroleum and liquid petroleum products. Measurement of level and temperature in storage tanks by automatic methods - Measurement of level in marine vessels Ingestion-build-209418 NOTE The test gases and

NOTE The test gases and the test pressures specified in this standard are in principle intended to be used with all the appliances in order to establish conformity with the corresponding standards

in order to ensure their safety

This International Standard is applicable to sprockets with between 5 and 20 teeth

BS IEC 60748-23-1 also provides a means of quality assessment on the basis of qualification approval

The range of sizes of operators considered in this document is that established in ISO 3411

Petroleum and liquid petroleum products. Measurement of level and temperature in storage tanks by automatic methods - Measurement of level in marine vessels Ingestion-build-209418 NOTE The test gases and1 Scope This part of ISO 4266 gives guidance on the accuracy, installation, calibration and verification of automatic level gauges (ALGs), both intrusive and non intrusive, for measuring the level of petroleum and liquid petroleum products having a Reid vapour pressure less than 100 kPa, transported aboard marine vessels (i. e. tankers and barges). This part of ISO 4266 gives guidance for buyers and sellers who mutually agree to use marine ALGs for