The E3M Electrocardiograph is designed for professional clinical and hospital use, offering synchronous 12-lead ECG acquisition with high-quality waveform recording. It supports both automatic and manual modes for ECG waveform display and recording. The device automatically measures and analyzes routine ECG parameters, providing diagnostic suggestions to reduce clinician workload.

Equipped with a thermal printing system, E3M supports multiple print modes and adjustable waveform lengths to meet diverse clinical needs. Its memory storage allows historical case review and statistics, while the optional ECG-Sync software enables connection to a PC for data analysis, report generation, and integration into an ECG workstation. The device operates on AC/DC power and a built-in rechargeable lithium battery, suitable for home visits and clinical environments.