ECGMAC EM-1201 - Appendix C Specification

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Y axis ≥8 dots/mm；
X axis ≥32 dots/mm（Paper speed 25 mm/s）≥16 dots/mm（Paper speed 50 mm/s）.
2.17 Request of Thermal matrix printing
Printer can record letters and marks. When recording, the printer could print out lead, paper speed,
gain and etc.
2.18 The range of voltage input
Each lead should no less than 0.03 to 5mV and the waveform should be correct.
2.19 Tolerance of Weighed parameters
Should be no more than ±10%。
2.20 Heart rate measurement deviation
Max deviation is±5%*value~1BPM
Appendix C Specification
C.1 Technical Index
1) Main Machine
Lead Standard 12 Leads
Sampling Method 12 leads simultaneously
Measurement Parameter
HR, PR interval, QRS duration, QT/QTC, R/QRS/T electric axis,
RV5/SVI amplitude
Input Method Floating Ground input with defibrillator protection
Manual Mode (Manual 1 lead, Manual 2 Lead, Manual 3 Lead,
Manual 6 Lead)
Rhythm Mode
Recording Mode
Auto Mode （3×4, 3×4+1R, 3×4+3R, 6×2, 6×2+1R, 12×1）
Filter
AC Filter: 50 Hz /60 Hz
EMG Filter: 30 Hz /40Hz
DFT Filter:0.05 Hz /0.15 Hz /0.25 Hz /0.5Hz
Input Circuit Current ≤0.1 μA
Input Impedance
≥50 MΩ（10 Hz）
Patient Leakage Currency
＜10μA
Time Constant ≥3.2 s
Frequency Response
0.05～150 Hz (-3 dB)