Th?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?Principle: Readings present the effective voltage according to the standard price of samples above a whole amount of intervals of the basic frequencyHigher-frequency waveform, meter, capacitance, and resistance measurements along with continuity checks are all included