F9, F9 Express Fetal & Maternal Monitor User Manual Product Specifications
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*Anti-electric Shock Type
Manual control ECG waveform display
Patient Leakage Current
(Limit)
N.C. S.F.C.
d.c. 10µA 50µA
a.c. 10µA 50µA
Patient Auxiliary Current
(Limit)
N.C. S.F.C.
d.c. 10µA 50µA
a.c. 10µA 50µA
Differential Input
Impedance
2.5mm/mV (×0.25), 5mm/mV (×0.5),
10mm/mV (×1), 20mm/mV (×2), AUTO gain
Electrode Offset Potential
Tolerance
Auxiliary Current (Leads
off detection)
Active electrode: < 100 nA
Reference electrode: < 900 nA
Accuracy and Response to
Irregular Rhythm
According with ANSI/AAMI EC13-2002
Sect.4.1.2.1 e)
The MHR value displays after a stable period of
20s:
Ventricular bigeminy: 80bpm±1bpm
Slow alternating ventricular bigeminy:
60bpm±1bpm
Rapid alternating ventricular bigeminy:
120bpm±1bpm
Bidirectional systoles: 91bpm±1bpm
Diagnosis: 0.05 Hz to 150 Hz
Monitor: 0.5 Hz to 40 Hz
Response time to Change in
MHR
MHR range: 80bpm ~ 120bpm