phase-sequence meter 相序表 ; 相序计
phase sequence meter 相位顺序计
meter-scale cyclic sequence 米级旋四层序
meter-scale cyclic-sequence 米级旋回层序
meter-scale cyclic sequence type 米级旋回层序类型
In the digital circuit, the digital frequency meter belongs to the sequence circuit, it mainly by has the memory function trigger constitution.
在数字电路中,数字频率计属于时序电路,它主要由具有记忆功能的触发器构成。
Measure function: can measure current, voltage, active power, reactive power, frequency, zero sequence current, electric energy, 2 pulse inputs implement watt-hour meter auto read;
测量功能:高精度测量电流电压、P、Q、功率因数、频率、零序电流、计算电度;2路脉冲量输入实现外部电度表自动抄表;
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