Gi?i m?i (bao g?m t?t c? gi?i nào có s? thay ??i, c?p nh?t m?i ho?c ?i?u ch?nh)It is possible to both plot the bare minimum and maximum peak measurement values or file the waveform trace. And, with expandable microSD memory, recording periods can be done for approximately fourteen times. This recorder is more highly effective While using the ad