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)You are able to possibly plot the least and maximum peak measurement values or record the waveform trace. And, with expandable microSD memory, recording periods can be done for around fourteen times. This recorder is all the more effective While using the addition of R