3 Channel record ECG Electrocardiograph HE-03D Machine


  • Portable delicate design, easy to cooperate.
  • Accurate pulse pace identification; High accuracy digital filter & auto baseline adjustment.
  • 12 leads synchronously acquisition and record; recording mode 1ch+, 3ch, 3ch+.
  • Four working modes : Auto / Man / R-R Rhythm / Storage.
  • 800×480 graphic, 7 inch color LCD to display ECG information ( for HE-03D).
  • 800×480 graphic, 7 inch color touch LCD to display and operate ( for HE-03E).
  • 250 patient cases storage and replay for HE- 03D internal SD card is optional).
  • 400 patient cases storage and replay for HE- 03E internal SD card is optional).
  • 80mmx20m, roll paper, high resolution thermal printing.
  • Rechargeable Li-ion battery supports long time continuous work.
  • Rs232 and USB port support USB flash storage, laser printer printing ( optional ).
  • PC ECG management software is optional.


Technical specifications

Lead Standard 12 leads Time constant ≥3.2s
Lead acquisition 12bit/32000Hz (synchronously ) Frequency response 0.05 – 160Hz ( -3db )
Work mode Manual / Auto / R-R Analysis/Storage Noise level <15uVp-p
Filter AC Filter: 50Hz / 60Hz Inter-channel interference ≤0.5mm
EMG Filter: 25Hz / 45Hz Sensitivity Auto, 2.5, 5, 10, 20, 40mm/mV (±3%)
Anti-Drift Filter: 0.15Hz ( adaptive ) Recording mode 1ch+, 3ch, 3ch+
Default Man.Mode is 3ch format
Default Auto.Mode is 3ch+ format
CMRR ≥120dB ( with AC Filter ) Paper speed 6.25, 12.5, 25, 50mm/s (±3%)
Input circuit Floating; Protection circuit against defibrillator effect Paper 80mm x 20m roll thermal paper
Input impedance ≥50MΩ Working environment Temperature 5-40°C; Humidity 25-95%
Input circuit current ≤0.05 uA Power supply AC 110-230V (±10%), 50/60Hz, 40VA
Patient current leakage <10 uA DC Rechargeable lithium battery, 14.4V, 2200mAh
Calibrating voltage 1mV±2% Communication Port USB, UART
Voltage tolerance ≥ ± 500mV Dimension / Weight 214mm x 276mm x 63mm, 1.8kgs

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