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phase meter 相差計。

phase modulation

Electric performance index of the system is given . the ac standard equipment should be 3 - phase output standard resource by which the ac voltage , ac current , power factor , 3 - phase - 3 - line effective power , 3 - phase - 4 - line effective power , reactive power and single phase watt meter , working frequency and phase meter can be examined . the system makes full use of the main computer which has multi function in the examination 給出了電氣性能指標,交流標準裝置應為三相輸出標準源、使其可校驗交流電壓、交流電流、功率因數、三相三線有功功率、三相四線有功功率、無功及單相電能表,同時可校驗工頻頻率表及相位表,在校驗檢測中充分發揮主機多能的作用。

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 直接顯示的模擬電器測量儀及附件.第5部分:相位表功

Direct acting indicating analogue electrical measuring instruments and their accessories - specification for special requirements for phase meters , power factor meters and synchroscopes 直接指示模擬電工測量儀表及其輔助設備.第5部分:相位表功率因數表和同步指示器的特殊要求規范

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擬電氣測量儀器及其附件.第5部分:相位計功率因數計和同步示波器的特殊要求

Direct acting indicating analogue electrical measuring instruments and their accessories . part 5 : special requirements for phase meters , power factor meters and synchroscopes 直接動作指示模擬電氣測量儀器及其附件.第5部分:相位表功率因數表和同步指示器的特殊要求

Direct acting indicating analogue electrical measuring instruments and their accessories . part 5 : special requirements for phase meters , power factor meters and synchroscopes 直接作用模擬指示電測量儀表及其附件第5部分:相位表功率因數表和同步指示器的特殊要求

Direct acting indicating analogue electrical measuring instruments and their accessories part 5 : special requirements for phase meters , power factor meters and synchroscopes 直接動作指示模擬電氣測量儀器及其附件.第5部分:相位表功率因數表和同步示波器的特殊要求

The application of advanced devices , new methods and latest technology to phase measurement results in dramatic improvement of function and precision of phase meter 將新器件、新方法和新技術應用于相位測量技術中,相位計的性能和精確度得以顯著提高。

Watthour meters in moulded insulation case without instrument transformers , up to 60 a rated maximum current ; principal dimensions for meter terminal cover for single - phase meters 安裝在最大額定電流可達60 a的無儀表變壓器模壓絕

Watthour meters in moulded insulation case without instrument transformers , up to 60 a rated maximum current ; principal dimensions for meter terminal cover for poly - phase meters 安裝在最大額定電流可達60 a的無儀表變壓器模壓絕

Watthour meters in moulded insulation case without instrument transformers , up to 60 a rated maximum current ; principal dimensions for single - phase meters 最大額定電流在以下的不帶儀表互感器模塑

Watthour meters in moulded insulation case without instrument transformers , up to 60 a rated maximum current ; principal dimensions for poly - phase meters 最大額定電流在以下的不帶儀表互感器模塑

Watthour meters for instrument - transformer connection ; main dimensions for three - phase meters 儀表和傳感器連接用的電度表.三相電表的主要尺寸

Digital phase meter 數字相位表

Balanced phase meter 平衡相位計

Application of single phase metering chip cs5460a on anti - power stealing three phase meter 在三相防竊電表中的應用

Verification requlation of the model bx - 21 lf digital phase meter Bx - 21型低頻數字相位計檢定規程

Phase meters , power factor mters and synchroscopes 相位表功率因數表和同步指示器