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立式罐是国际石油化工产品贸易结算的主要计量器具之一,也是我国对内、对外以石化产品贸易结算的重要强检计量器具。其计量的准确度如何,直接关系到企业和国家的经济利益与国家计量信誉。一、立式罐容量计量特性要求按国际建议OIML R71规定:立式罐容量的下限与标称容量之间的容积值最大允许标定的不确定度(k=2)为指示容量的0.2%。而我国相应的国家计量检定规程JJG168-2005《立式金属罐容量检定规程》规定
Vertical cans is one of the main measuring instruments for international trade settlement of petrochemical products. It is also an important strong inspection measuring instrument for domestic and foreign trade settlement of petrochemical products. The accuracy of its measurement, is directly related to the economic interests of enterprises and countries and the national measurement of credit. First, the vertical tank capacity measurement requirements According to the international recommendations OIML R71 provides: Vertical tank capacity and volume between the lower limit value of the maximum allowable calibration uncertainty (k = 2) of the indicated capacity of 0.2%. The corresponding national measurement verification procedures JJG168-2005 “vertical metal tank capacity verification procedures” provisions