The SE-601 Series Multi-channel ECG is a user-friendly, portable electrocardiograph designed for accurate signal acquisition and diagnosis. Key features include: User-friendly Design: Alphanumeric keyboard and one-touch operation. Sensitive Signal Acquisition: Advanced 24-bit A/D converter technology, comprehensive filters, and high CMRR over 115dB for weak signal detection. Accurate Analysis and Diagnosis: Automatic measurements and interpretation, gender and age-specific analysis, and pacemaker detection. Flexible Printing Solutions: Built-in high-resolution thermal recorder and support for external USB printers. Data Management: Large internal memory expandable via USB, LAN/WIFI/RS232 connection to PC, and optional Smart ECG Viewer software for data management. Easy to Transport: Lightweight, portable design with a built-in rechargeable Li-ion battery, optional rolling stand, cable arm, and carrying bag. Specifications: Sampling Rate: 1,000 Hz/channel, 10,000 Hz for pacemaker detection Input Voltage Range: 3.2s Frequency Response: 0.05Hz ~ 150Hz (-3dB) Calibration Voltage: 1mV +2% Sensitivity: 2.5, 5, 10, 20, 10/5, AGC (mm/mV) Input Impedance: >50MΩ (10Hz) Input Circuit Current: