Compact and rugged, this oscilloscope is perfect for industrial electrical and electro-mechanical tools troubleshooting and maintenance purposes.  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 h&agr