... passed FDA, CE, ISO9001 and ISO13485 Certificate. DMS Ambulatory ECG Holter Equipment Functions & Features: Multi-day Holter recorder up ... lead wires) Event button to record patient abnormal events USB test cable to view ECG wave in real time Support SAECG ( ... line, it automatically diagnose, then real-time playbacks 3-minute ECG waves Storage: Compact Flash Card Memory: >=48MB Playback time: ...