It was through your efforts that the Harbin Research Institute of Electrical Measuring Instruments undertook the Secretariat of IEC/TC 85 in 2003, achiev- ing the zero breakthrough for playing a role in the technical ...It was through your efforts that the Harbin Research Institute of Electrical Measuring Instruments undertook the Secretariat of IEC/TC 85 in 2003, achiev- ing the zero breakthrough for playing a role in the technical committees of IEC.展开更多
1.Introduction IEC 60051-1～9:1997 series standards Direct Acting Indicating Analogue Electrical Measuring Instruments and Their Accessories have covered and specified all analogue instruments for electrical parameter...1.Introduction IEC 60051-1～9:1997 series standards Direct Acting Indicating Analogue Electrical Measuring Instruments and Their Accessories have covered and specified all analogue instruments for electrical parameters measurements,such as AC and DC voltmeters and Ammeters,frequency meters,Wattmeters,Varmeters,power factor meters,phase meters and synchroscopes,ohmmeters impedance meters and conductance meters,as well as shunts,impedances and resistors for expanding measure range.展开更多
文摘It was through your efforts that the Harbin Research Institute of Electrical Measuring Instruments undertook the Secretariat of IEC/TC 85 in 2003, achiev- ing the zero breakthrough for playing a role in the technical committees of IEC.
文摘1.Introduction IEC 60051-1～9:1997 series standards Direct Acting Indicating Analogue Electrical Measuring Instruments and Their Accessories have covered and specified all analogue instruments for electrical parameters measurements,such as AC and DC voltmeters and Ammeters,frequency meters,Wattmeters,Varmeters,power factor meters,phase meters and synchroscopes,ohmmeters impedance meters and conductance meters,as well as shunts,impedances and resistors for expanding measure range.
