标准摘要
[中文适用范围]： 如果输入的标称频率在 5 Hz 到 1 500 Hz 之间，如果电气测量传感器是非电量测量系统的一部分，则适用于用于各种应用的传感器，例如远程通讯 [外文原描述]： Applies to transducers with electrical inputs and outputs for making measurements of a.c. electrical quantities with a nominal frequency between 5 Hz and 1 500 Hz. The output signal may be in the form of an analogue direct current or in digital form. Supersedes IEC 688-1 and IEC 688-2.
英文名称Electrical measuring transducers for converting a.c. electrical quantities to analogue or digital signals