标准摘要
[中文适用范围]： ISO 17657 的本部分规定了使用频率为 50 Hz 或 60 Hz 的单相交流电或直流电的电阻焊中焊接电流测量系统和指示焊接时间的校准设备。 该指南定义了焊接电流测量的各种基本术语，并为焊接电流测量系统（包括带有电流传感线圈的焊接电流表）的用户提供了一些基本信息。 [外文原描述]： ISO 17657-1:2005 specifies equipment for the calibration of measuring systems of welding current and indicating weld time in resistance welding using single-phase alternating current of frequency 50 Hz or 60 Hz, or direct current. It defines various basic terms for the measurement of welding current, and gives some basic information for users of welding current measuring systems including welding current meters with current sensing coil.
英文名称Resistance welding — Welding current measurement for resistance welding — Part 1: Guidelines for measurement