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BeneVision N1 Patient Monitor Operator’s Manual
Input signal range
±8 mV (peak-to-peak value)
Accuracy of signal reproduction
Use A and D methods based on IEC 60601-2-25 2011 to determine frequency
response.
Electrode offset potential tolerance
±500 mV
Lead-off detection current
Measuring electrode: <0.1 μA
Drive electrode: <1 μA
Input offset current
≤0.1 μA, (drive lead≤1μA)
Defibrillation protectio
Enduring 5000V (360 J) charge without data loss or corruption
Baseline recovery time: <5 s (after defibrillation)
Polarization recovery time: <10 s
Defibrillation energy absorption: ≤10% (100
Ω
load)
Patient leakage current
<10 uA
Calibration signal
1mV (peak-to-peak value) ±5%
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
2011
Pace Pulse
Pace pulse markers
Pace pulses meeting the following conditions are labeled with a PACE marker:
Amplitude:
Width:
Rise time:
No overshoot
±2 mV to ±700 mV
0.1 ms to 2 ms
10 μs to 100 μs (less than 10% of pulse
width)
Pace pulse rejection
When tested in accordance with the IEC 60601-2-27 2011: 201.12.1.101.13, the
heart rate meter rejects all pulses meeting the following conditions.
Amplitude:
Width:
Rise time:
No overshoot
±2mV to ±700 mV
0.1ms to 2 ms
10μs to 100 μs (less than 10% of pulse
width)
HR
Measurement range
Neonate: 15 to 350 bpm
Pediatric: 15 to 350 bpm
Adult: 15 to 300 bpm
Resolution
1 bpm
Accuracy
±1 bpm or ±1%, whichever is greater.
Sensitivity
200 μV (lead II)
HR averaging method
In compliance with the requirements in Clause 201.7.9.2.9.101 b) 3) of IEC
60601-2-27 2011, the following method is used:
If the last 3 consecutive RR intervals are greater than 1200 ms, the 4 most
recent RR intervals are averaged to compute the HR. Otherwise, heart rate is
computed by subtracting the maximum and minimum ones from the most
recent 12 RR intervals and then averaging them.
The HR value displayed on the monitor screen is updated no more than one
second.
