IEC TS 62720:2017(E)规定了单元的标识符，以支持基于计算机的产品数据处理。它提供了一个数量调查，并收集了商业和科学中使用的国际标准化和非标准化单位。 它涵盖了目前在两个或两个以上不同的民族语言群体或国家中，至少在一个行业领域中使用的任何标准或非标准计量单位，对于这些单位，转换为已知标准计量单位或其等效单位的明确方法是有据可查的或从外部参考文献中显而易见的。

IEC TS 62720:2017(E) specifies identifiers for units to support computer-based processing of product data. It provides a survey of quantities with associated collections of internationally standardized as well as non–standardized units used in business and science.
It covers any standard or non-standard units of measure currently in use, in two or more distinct ethno-linguistic groups or nations, at least in one domain of industry, for which an explicit method of conversion to a known standard unit of measure or its equivalent is well documented or evident from external references.