Verification regulation of analogue indication weighing instrument 模拟指示秤检定规程
Environment and protection for direct acting indicating analogue electrical measuring instruments and their accessories 直接作用模拟指示电测量仪表及其附件的环境条件及防护性能
Direct acting indicating analogue electrical measuring instruments and their accessories . part 9 : recommended test methods 直接作用模拟指示电测量仪表及其附件第9部分:推荐的试验方法
Direct acting indicating analogue electrical measuring instruments and their accessories . part 1 : definition and general requirements common to all parts 直接作用模拟指示电测量仪表及其附件第1部分:定义和通用要求
Direct acting indicating analogue electrical measuring instruments and their accessories . part 2 : special requirements for ammeters and voltmeters 直接作用模拟指示电测量仪表及其附件第2部分:电流表和电压表的特殊要求
Direct acting indicating analogue electrical measuring instruments and their accessories . part 6 : special requirements for ohmmeters impedance meters and conductance meters 直接作用模拟指示电测量仪表及其附件第6部分:电阻表
Direct acting indicating analogue electrical - measuring instruments and their accessories - part 1 : definitions and general requirements common to all parts iec 60051 - 1 : 1997 ; german version en 60051 - 1 : 1998 直接作用模拟指示电测量仪表及其附件.第1部分:定义和
Direct acting indicating analogue electrical measuring instruments and their accessories . part 5 : special requirements for phase meters , power factor meters and synchroscopes 直接作用模拟指示电测量仪表及其附件第5部分:相位表功率因数表和同步指示器的特殊要求