晶体管交流毫伏表只能用于正弦电压测量，使测量任意波形电压受到限制。
Transistor AC millivoltmeters specially used to measure the sinusoidal voltage are limited in measuring any other waves of voltage.
通过修改数据表可以产生方波、三角波或其他任意波形信号。
Square waveform, triangle waveform and arbitrary waveform may be obtained by modifying the look-up table.
传统的工频耐压试验是通过电压表，电流表，功率分析仪，频谱分析仪等等来分别测量波形及其各个参数的。
The traditional measure method of the power withstand test is to use the voltage meter, ammeter, power analyzer, frequency analyzer etc to measure the waveform and parameters of the power signals.
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