Fukuda Denshi DynaScope 7000 Series, Service Manual

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Heart rate meter accuracy and response to irregular rhythm (IEC 60601-2-27: 2005 6.8.2 bb) 4))
80bpm Ventricular Bigeminy : 80bpm
60bpm Slow Alternating Ventricular Bigeminy : 60bpm
120bpm Rapid Alternating Ventricular Bigeminy : 120bpm
90bpm Bidirectional Systoles : 90bpm
Response time of heart rate meter to change in heart rate (IEC 60601-2-27: 2005 6.8.2 bb) 5))
HR changes from 80bpm to 120bpm : Range 4.8–6.1 sec. Average 5.4 sec.
HR changes from 80bpm to 40bpm : Range 5.1–5.7 sec. Average 5.4 sec.
Time to ALARM for tachycardia (IEC 60601-2-27: 2005 6.8.2 bb) 6))
Ventricular Tachycardia 1mVpp, 206bpm : Range 8.1–8.9 sec. Average 8.4 sec.
Ventricular Tachycardia 2mVpp, 206bpm : Range 8.0–8.5 sec. Average 8.3 sec.
Ventricular Tachycardia 0.5mVpp, 206bpm : Range 9.8–10.6 sec. Average 10.2 sec.
(at
×
2)
Ventricular Tachycardia 2mVpp, 195bpm : Range 8.1–8.2 sec.
Average 8.1sec.
Ventricular Tachycardia 4mVpp, 195bpm : Range 7.8–8.9 sec. Average 8.4 sec.
Ventricular Tachycardia 1mVpp, 195bpm : Range 8.6–10.2 sec. Average 9.3 sec.
Pacemaker Pulse Display Capability (IEC 60601-2-27: 2005 50.102.12)
3-electrodes : Detects with the selected lead.
4, 5-electrodes : If lead I, II, III is selected for ECG1, pulse is detected with the selected
lead.
If a lead other than lead I, II, III is selected, pulse is detected with lead II.
Capable to detect pulses of pulse width 0.5–2ms, amplitude
±
2 mV to
±
700mV
Rejection of
Pacemaker Pulse
: a) Pacemaker Pulse without Over/Undershoot:
Full pacemaker pulse amplitude range:
±
2mV to
±
700mV
Full duration range: 0.1ms to 2ms
b) Pacemaker Pulse with Over/Undershoot:
Full pacemaker pulse amplitude range:
±
2mV to
±
700mV
Full duration range: 0.1ms to 2ms
Full overshoot range: 4ms to 100ms