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3‑Channel ECG Machine7″ Color TFT Display – High Resolution 800×600 dpi
Key Features7‑inch high‑resolution color touch screen
12‑lead simultaneous acquisition and real‑time display
Automatic ECG measurement and interpretation
Comprehensive digital filters to suppress baseline drift, AC interference, and electromyographic (EMG) noise
Compact, lightweight design
Expandable memory via USB flash drive and micro SD card
Software upgradeable through USB/SD card
Built‑in rechargeable lithium‑ion battery
Technical SpecificationsParameter SpecificationLead system Standard 12 leadsAcquisition mode Simultaneous 12‑lead acquisitionMeasurement range ±5 mVppInput circuit Floating; protected against defibrillator effectInput impedance ≥50 MΩInput circuit current <0.05 μARecording modes Automatic: 3CH×4+1R, 3CH×4, 3CH×2+2CH×3, 3CH×2+2CH×3+1R, 6CH×2Manual: 3CH, 2CH, 3CH+1R, 2CH+1RRhythm: any lead selectableFilters EMG: 25 / 30 / 40 / 75 / 100 / 150 HzDFT (baseline drift): 0.05 / 0.15 HzAC: 50 / 60 HzCMRR >100 dBLeakage current <10 μA (at 220‑240 V)Frequency response 0.05 Hz – 150 Hz (−3 dB)Sensitivity 2.5, 5, 10, 20 mm/mV (accuracy: ±5%)Anti‑baseline drift AutomaticTime constant 23.2 sNoise level <15 μV<sub>p‑p</sub>Paper speed 12.5, 25, 50 mm/sRecording method Thermal printing systemPaper specification Roll paper – 80 mm × 20 mSafety standard IEC I/CFSampling rate 1000 samples/second per channel (normal mode)Power supply AC: 100–240 V, 50/60 Hz, 30–100 VADC: 14.8 V / 2200 mAh (built‑in Li‑ion battery)
