DB41河 南省地方标准DB41/T 728—20120.1S级静止式交流有功电能表Alternating current static watt-hour meters for active energy(class 0.1S)2012-05-11发布2012-07-11实施河南省质量技术监督局发布 DB41/T 728—2012目次前言................................................................................IV123范围..............................................................................1规范性引用文件 .................................................................... 1标准电量值 ........................................................................ 23.1标准参比电压 .................................................................. 2标准参比电流 .................................................................. 2最大电流 ...................................................................... 3标准参比频率 .................................................................. 33.23.33.44要求..............................................................................34.1机械要求 ...................................................................... 34.1.1通用机械要求 .............................................................. 3外壳 ...................................................................... 3窗口 ...................................................................... 3端子、端子座、端子盖 ...................................................... 3间隙和爬电距离 ............................................................ 3耐热和阻燃 ................................................................ 4防尘和防水 ................................................................ 4测量值的显示 .............................................................. 4输出装置 .................................................................. 4仪表的标志 ............................................................... 54.1.24.1.34.1.44.1.54.1.64.1.74.1.84.1.94.1.104.2气候条件 ...................................................................... 64.2.1温度范围 .................................................................. 6相对湿度 .................................................................. 6气候环境影响 .............................................................. 64.2.24.2.34.3电气要求 ...................................................................... 74.3.1功率消耗 .................................................................. 7电源电压影响 .............................................................. 7短时过电流影响 ............................................................ 8自热影响 .................................................................. 8温升 ...................................................................... 8抗接地故障能力（仅适用于在非有效接地系统电网上使用的仪表） ................ 84.3.24.3.34.3.44.3.54.3.64.44.54.6绝缘 .......................................................................... 9电磁兼容性（EMC） ....