Basic principle: Readings display the helpful voltage depending on the normal value of samples in excess of an entire range of periods of the fundamental frequencyTh?ng kê t? ??ng c?p nh?t khi k?t thúc bu?i t??ng thu?t tr?c ti?p k?t qu? x? s?IntellaSet technologies quickly and intelligently adjusts numerical readout dependant on the calculated si