Perfect for industrial electrical and electro-mechanical tools troubleshooting and maintenance applications.Readings display the productive voltage dependant on the common worth of samples over an entire variety of periods of the basic 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?B??c 2: M? ph?n “Ti?n