Mindray BeneHeart D3, Operator'S Manual

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A-5
A.3 Pacer Specifications
Pacing mode Demand, fixed
Output waveform
Monophasic square wave pulse
pulse width 20 ms
Accuracy: ±5%
Pacing rate
40ppm to 170ppm
Accuracy: ±1.5%
Resolution: 5 ppm
Pacing output
0mA to 200mA,
Accuracy: ±5% or ±5mA, whichever is greater
Resolution: 5mA
Refractory period
200 to 300 ms (depending on pacing rate)
Accuracy: ±3%
4:1 pacing Pacing pulse frequency reduced by factor of 4 when this function is activated.
Output protection The equipment has no sign of damage after defibrillation-proof test.
A.4 Monitor Specifications
ECG
Patient connection 3-lead ECG cable, 5-lead ECG cable, paddles or multifunction electrode pads
Defibrillation electrodes: pads/paddles
3-lead ECG set: I, II, III ECG inputs
5-lead ECG set: I, II, III, aVR, aVL, aVF, V,
Gain
2.5 mm/mV (×0.25), 5 mm/mV (×0.5), 10 mm/mV (×1), 20 mm/mV (×2),
40mm/mV (×4)
Paper speed 6.25mm/s, 12.5 mm/s, 25 mm/s, 50 mm/s
Bandwidth
(-3dB, ECG lead set)
Diagnostic mode:
Monitor mode:
Therapy mode:
0.05 to 150 Hz
0.5 to 40 Hz
1 to 20 Hz
Bandwidth (-3dB, defibrillation
electrodes)
Therapy mode: 1 to 20 Hz
Common mode rejection
(ECG lead set)
Diagnostic mode:
Monitor mode:
Therapy mode:
>90 dB
>105 dB
>105 dB
Common mode rejection
(defibrillation electrodes)
Therapy mode: >90 dB
Notch filter
50/60Hz,
In Monitor and Therapy mode: notch filter turns on automatically
In Diagnostic mode: notch filter is turned on manually
ECG signal range ±8mV
Electrode offset potential tolerance ±500mV