trong m?t kho?n th?i gian nh?t ??nh tr??c khi ?i?u ch?nh, t?t nh?t b?n nên dùng ph??ng pháp t? ??ng ho?c xây d?ng hàm ?? ki?m tra v?i d? li?u.You can either plot the least and utmost peak measurement values or record the waveform trace. And, with expandable microSD memory, recording sessions can be carried out for up to 14 times. This record