Portable Digital Electrocardiograph 7 inch 3 Channel ECG Machine MK-1203C

ECG-1203C 3 Channel ECG Features: 7-inch Color Display: 480 × 680 resolution with a wide-angle view for clear and easy reading. Thermal Paper: 80mm × 20m roll-type thermal paper for high-quality printing. 12-Lead ECG Acquisition: Simultaneous 12-lead ECG acquisition and display on the screen. Multiple Operation Modes: Includes Manual, Auto, and Rhythm Analysis modes for versatile operation. 3-Lead Recording with Rhythm Lead: 3-lead recording capability with an optional rhythm lead for advanced analysis. Digital Filters: Equipped with digital filters to eliminate EMG and AC interference, preventing baseline drift. Lead-Off Detection: Automatic detection of lead-off to ensure accurate readings. Built-In Rechargeable Battery: 1800mAh Li-ion battery with 3 hours of continuous working time. AC Power Supply: 110–230V, 50/60Hz AC power supply for global compatibility. Report Storage & Replay: Stores up to 200 patient reports, with easy replay functionality. Data Transfer Interface: Built-in USB/RS232 interface for seamless data transfer.   ECG-1203C 3 Channel ECG Specification Lead: 12 leads, Standard or Cabrera, 12 leads simultaneous acquisition Input Circuit: Floating, Defibrillation protection LCD Display: 480 × 680, 7-inch color screen LCD Displays ECG waveform, operation conditions, time, heart rate, etc. Safety: IEC class I, type CF Sampling Rate: 8000 samples/sec Input Dynamics: ±500 mV Operation Mode: Automatic, manual Single channel 60s compressed record Rhythm analysis (R-R histogram and trend chart) Filter: AC (50Hz or 60Hz, -20dB) EMG (25Hz/35Hz/45Hz/75Hz/100Hz, -3dB) Drift (0.5Hz, -3dB) CMRR (Common Mode Rejection Ratio): 100dB (with AC filter) Input Circuit Current: ≤0.1 μA Input Impedance: ≥50 MΩ Time Constant: ≥3.2 seconds Frequency Response: 0.05–150Hz, -3dB Noise Level: ≤15 μVp-p Sensitivity: 1.25; 2.5; 5; 10; 20; 40 mm/mV ±2% Calibration Voltage: 1 mV ±2% Patient Current Leakage: <10 μA Protection: Protected from defibrillation and pacemaker interference Printing System: Thermal printer Resolution: ≥8 dot/mm (Vertical), ≥40 dot/mm (Horizontal) Printing speed: 25 mm/s Printing Speed: 5; 6.25; 10; 12.5; 25; 50 mm/s ±3% Printing Output: 3/2 channel; 3/2+1 channel; 3/3 channel; 3/3+1 channel Paper Size: 80 mm × 20 m (roll type) Patient Cable: Standard 10-core Report Storage: 200 reports in built-in memory Supports external SD card for report presentation, review, and re-printing Indicator: Lead-off detection Power Supply: 11.1V 1800mAh Li-poly rechargeable battery pack (DC) 220V ±10%, 50Hz ±2%, 75VA (AC) Fuse Specification: 2Φ5×20 mm, 3.15A, 250V