Product Manual
F6 and F6 Express Fetal & Maternal Monitor User Manual Product Specifications
- 106 -
Patient Auxiliary Current
(Limit)
N.C. S.F.C.
d.c. 10µA 50µA
a.c. 10µA 50µA
Differential Input
Impedance
>5MΩ
Display Sensitivity
2.5mm/mV (×0.25), 5mm/mV (×0.5), 10mm/mV
(×1), 20mm/mV (×2), AUTO gain
Sweep speed 25mm/s
d.c. Offset Voltage
Tolerance
±500mV
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 HR value displays after a stable period of 20s:
Ventricular bigeminy: 80bpm
Slow alternating ventricular bigeminy: 60bpm
Rapid alternating ventricular bigeminy: 120bpm
Bidirectional systoles: 90bpm
Response time to Change
in HR
HR range: 80bpm ~ 120bpm
Range: 7s ~ 8s (average: 7.5s)
HR range: 80bpm ~ 40bpm
Range : 7s ~ 8s (average: 7.5s)
Accuracy of HR Alarm
Limit
1 bpm
Tall T-wave Rejection
Exceeds ANSI/AAMI EC13-2002 Sect. 4.1.2.1 (C)
minimum recommended 1.2mV T-Wave
amplitude
ECG
HR averaging method
Heart rate is computed by averaging the 12 most
recent RR intervals.
Measurement Range: 50% ~ 100%
Resolution: 1%
Measuring Accuracy:
90% ~ 100% ± 2%
70% ~ 90% ± 4%
< 70% unspecified
Data Update Period:
2 seconds (typically)
10 seconds (in extreme condition)
SpO2
PR Measurement Range: 30 bpm ~ 240 bpm










