Introduction:  ECG1200G is an electrocardiograph which can collect 12-lead ECG signal simultaneously and print ECG waveform with thermal printing system. It features in, recording and displaying ECG waveform in AUTO/Manual mode, measuring and diagnosing ECG waveform parameters automatically, prompting for “Lead off” and “Lack of paper”, multi-language  interface,AC/DC, selecting rhythm lead, printing the trend chart and histogram of P-R interval, case database  management.