Electrical measuring transducers for converting a . c electrical quantities to analogue or digital singals 交流电量转换为模拟量或数字信号的电测量变送器
Electrical measuring transducers for converting a . c . electrical quantities to analogue or digital signals 交流电量转换为模拟或数字信号用电测量换能器
Electricity metering equipment - general requirements , tests and test conditions - part 11 : metering equipment 电测量仪器.一般要求试验和试验条件.第11部分:测量仪器
Receiving antennas for satellite broadcast transmissions in the 11 12 ghz band - part 1 : electrical measurements 11 12 ghz波段卫星广播发射用接收天线.第1部分:电测量
Methods of measurement on receiving antennas for satellite broadcast transmissions in the 12 ghz band - electrical measurements 12ghz频带传送卫星广播用接收天线测量方法.电测量
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 9 : recommended test methods ; amendment 1 直接动作指示模拟电测量仪器及其附件.第9部分:推荐试验法.修改件1
Direct acting indicating analogue electrical - measuring instruments and their accessories - part 9 : recommended test methods ; amendment 2 直接动作指示模拟电测量仪器及其附件.第9部分:推荐试验法.修改件2
Electricity metering equipment - general requirements , tests and test conditions - part 11 : metering equipment iec 62052 - 11 : 2003 ; german version en 62052 - 11 : 2003 电测量仪器.一般要求试验和试验条件.第11部分:测量
