| 1. | Intelligent ac power factor meter
智能交流功率因数表 |
| 2. | Three phase power factor meter
三相功率因数表 |
| 3. | The laboratory can provide calibration for 50 or 60 hz single - phase power factor meters with measuring range from zero to unity , leading or lagging
功率因数表本所可为频率为50或60hz而测量量程由零至一超前或滞后的单相功率因数表提供校正服务。 |
| 4. | Direct acting indicating analogue electrical measuring instruments and their accessories part 5 : special requirements for phase meters , power factor meters and synchroscopes
直接动作指示模拟电气测量仪器及其附件.第5部分:相位表功率因数表和同步示波器的特殊要求 |
| 5. | 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 |
| 6. | Direct acting indicating analogue electrical measuring instruments and their accessories . part 5 : special requirements for phase meters , power factor meters and synchroscopes
直接动作指示模拟电气测量仪器及其附件.第5部分:相位表功率因数表和同步指示器的特殊要求 |
| 7. | Direct acting indicating analogue electrical measuring instruments and their accessories . part 5 : special requirements for phase meters , power factor meters and synchronoscopes
直接作用的指示用模拟电气测量仪器及其附件.第5部分:相位计功率因数计和同步示波器的特殊要求 |
| 8. | Direct acting indicating analogue electrical measuring instruments and their accessories - specification for special requirements for phase meters , power factor meters and synchroscopes
直接指示模拟电工测量仪表及其辅助设备.第5部分:相位表功率因数表和同步指示器的特殊要求规范 |
| 9. | Direct acting indicating analogue electrical measuring instruments and their accessories ; part 5 : special requirements for phase meters , power factor meters and synchroscopes iec 60051 - 5 : 1985 , edition 4 ; german version en 60051 - 5 : 1989
直接显示的模拟电器测量仪及附件.第5部分:相位表功 |
| 10. | Abstract : this paper introduces a new power factor meter with sample hod circuit and divider and provides basic measurment circuit . experiment result proves the practicality of the power factor meter
文摘:本文介绍了利用采样保持器和除法器实现的功率因数测量仪表，给出了测量电路原理图，实验结果表明了该测量仪表的实用性。 |
