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A.8.2 ECG Specifications (from Therapy Accessories)
ST Segment Analysis
Measurement range -2.0 to 2.0 mV RTI
Accuracy -0.8 to 0.8 mV:
Beyond this range:
±0.02 mV or ±10%, whichever is greater.
Not specified.
Resolution 0.01 mV
QT/QTc Analysis
Measurement range QT: 200 to 800 ms
QTc: 200 to 800 ms
QT-HR: 15 to 150 bpm for adult, 15 to 180 bpm for pediatric and neonate
Accuracy QT: ±30 ms
Resolution QT: 4 ms
QTc: 1 ms
12-lead ECG Interpretation
Sampling rate 1000 samples/s (A/D)
500 samples/s (ECG algorithm)
Amplitude quantization 24 bits
Measurements Heart rate, PR interval, QRS duration, QT/QTc interval, P/QRS/T axis and
diagnosis statement
Patient connection Paddles or multifunction electrode pads
ECG inputs Paddles or Pads
Display sensitivity 1.25 mm/mV (×0.125), 2.5 mm/mV (×0.25), 5 mm/mV (×0.5), 10 mm/mV (×1),
20 mm/mV (×2), 40mm/mV (×4), Auto, less than ± 5% error
Sweep speed 6.25mm/s, 12.5 mm/s, 25 mm/s, 50 mm/s, less than ± 5% error
Bandwidth (-3dB) Therapy mode: 1 to 20 Hz
Common mode rejection Therapy mode: >105 dB (with notch filter on)
Notch filter Therapy mode: 50/60Hz, notch filter turns on automatically.
Differential input impedance ≥5 M
ECG signal range ±8mV (peak-to-peak value)
Calibration signal 1mV (peak-to-peak value) ±5%
Electrode offset potential tolerance ±1V
Lead-off detection current ≤0.1 A
Baseline recovery time <2.5 s (after defibrillation)
Defibrillation protection Enduring 5000V (360 J) charge without data loss or corruption
Baseline recovery time: <2.5 s (after defibrillation)
Polarization recovery time: <10 s
Defibrillation energy absorption: ≤10% (100 load)
ESU protection Cut mode: 300 W
Coagulate mode: 100 W
Recovery time: ≤10 s
In compliance with the requirements in clause 202.6.2.101 of IEC 60601-2-27
Pace Pulse
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