... for ECG-203 is 63mm in width, simultaneous 12 lead acquisition, and 3 lead live record, high affectivity of ECG examination, ... good effect and economic utility.Function of rhythm lead for observing abnormal ECG trace & heart rate.Supported ... to the GB9706.1-1995 criterion. Specifications:Lead: Standard 12 leads, changing lead automaticallyInput mode: Floating input circuit; Protection against ...