E80/E70 Digital Electrocardiograph User’s Manual
4
A.6 Measure and Diagnosis of ECG Waveform
HR range
30bpm -350bpm
HR precision
±1bpm (10s average)
Coefficient error
≤5%, 0.333
Measure info of ECG
waveform
P time limit, PR interphase, QRS time limit, QT interphase,
QTC interphase, RR interphase, RV5swing, SV1swing,
RV6swing, SV2swing, RV5+SV1swing, P axis, QRS axis ,
T axis.
Coding of diagnosis
info
Coding of diagnosis info (Factory default)
Diagnosis analyze
≥140 kinds
A.7 Display of ECG Collection
Signal input
12-Lead, defibrillator-proof, Pacemaker pulse rejection
Degree of protection
against electric
shock
4000V, Type CF applied part
Electrode offset
potential
Range warp of
Electrode offset
potential allowed
≥±500mV
≤5%
Response
to frequency
Baseline filter
ECG filter
Lowpass filter
0.05Hz -150Hz (-3dB)
On/Off (0.05Hz)
25Hz,35Hz,45Hz
75Hz,100Hz,150Hz
Gain selection
2.5,5,10,20,10/5,AGC (mm/mV)
Gain accuracy
≤5%
Time base selection
5 mm/s,6.25 mm/s,10 mm/s,12.5 mm/s,25mm/s, 50mm/s
Input impedance
≥50MΩ (10Hz)
Current of input
loop
≤50 n A