请注意:此版本的所有临时修订版将在您购买时提供。柴油、生物柴油、标称生物柴油浓度不超过20%（B20）的柴油/生物柴油混合物、煤油和燃油UL 25B1范围1的仪表。1这些要求包括与汽车燃料一起使用的容积式液体流量计。这些要求中定义的汽车燃料包括1.2.1.2中所述的一种或多种燃料，这些要求涵盖的燃料适用于以下一种或多种情况:柴油和柴油/生物柴油混合物，标称生物柴油浓度不超过5%（B0-B5），按照柴油燃料油标准规范ASTM D975配制；标称生物柴油浓度在5%到20%之间的柴油/生物柴油混合物（B6-B20），按照柴油、生物柴油混合物（B6）的标准规范配制- B20），ASTM D7467；生物柴油（B99.9/B100）按照ASTM D6751《中间馏分燃料用生物柴油混合油（B100）标准规范》配制；根据煤油标准规范ANSI/ASTM D3699配制的煤油；或根据ASTM D396燃油标准规范配制的燃油（加热油）。本标准涵盖的1.3米是根据美国国家消防协会的易燃和可燃液体规范ANSI/NFPA 30和汽车燃油分配设施和维修车库规范ANSI/NFPA 30A使用的。1.4这些要求不包括:除1.2中所述之外，与燃料一起使用的仪表；流速计、水头计或面积计；用于集中燃油分配系统的仪表；除满足本质安全或爆炸标准的电路外，包含电路的仪表组件。 1.5这些仪表使用或提供的寄存器、计数器或计算机的适用性，或实际应用中产生或要求的测量精度的确定不在这些要求的范围内。

Please note: All interim revisions for this edition available at time of your purchase will be included.Meters for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel OilUL 25B1 Scope1.1 These requirements cover positive displacement liquid meters for use with motor fuels. Motor fuels, as defined by these requirements, include one or more of the fuels described in 1.2.1.2 Meters covered by these requirements are intended for use with one or more of the following as applicable:Diesel fuel and diesel/biodiesel blends with nominal biodiesel concentrations up to 5 percent (B0-B5) formulated in accordance with the Standard Specification for Diesel Fuel Oils, ASTM D975;Diesel/biodiesel blends with nominal biodiesel concentrations from 5 percent up to 20 percent (B6 - B20) formulated in accordance with the Standard Specification for Diesel Fuel Oil, Biodiesel Blends (B6 - B20), ASTM D7467;Biodiesel (B99.9/B100) formulated in accordance with the Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels, ASTM D6751;Kerosene formulated in accordance with the Standard Specification for Kerosine, ANSI/ASTM D3699; orFuel oil (heating oil) formulated in accordance with the Standard Specification for Fuel Oils, ASTM D396.1.3 Meters covered by this standard are for use in accordance with the National Fire Protection Association's Flammable and Combustible Liquids Code, ANSI/NFPA 30, and the Code for Motor Fuel Dispensing Facilities and Repair Garages, ANSI/NFPA 30A.1.4 These requirements do not cover:Meters for use with fuels other than as described in 1.2;Velocity meters, head meters, or area meters;Meters for use in centralized fuel oil distribution systems; andMeter components incorporating electrical circuits except those meeting intrinsically safe or explosion standards.1.5 Determinations of the suitability of registers, counters, or computers used or provided with these meters, or the accuracy of measurement resulting from or required in actual application are not within the scope of these requirements.