Nellcor OxiMax N 5500 Service Manual page 29

Performance Verification
8. Test #3: Modulation Level
i.
ii.
iii.
iv.
3.3.5.4 Respiration Operation with a Respiration Simulator
1. Press Power On/Off switch to turn monitor on.
2. Connect ECG leads to appropriate jacks on respiration simulator.
3. Connect ECG leads to MDEC ECG cable.
4. Connect MDEC to ECG input port on N5500.
5. Set simulator for respiration rate of 120 breaths per minute.
6. After normal power-up sequence, verify the following monitor reactions:
a.
b.
7. Decrease respiration rate setting on respiration simulator to 20 breaths per minute.
a.
Note: The accuracy of N5500 ECG measurements is ±3 breaths per minute. In the
procedure below, add the tolerance of the simulator to the acceptable range of
readings.
3.3.5.5 Temperature Operation with a Temperature Simulator
1. Press Power On/Off switch to turn monitor on.
2. connect temperature probe (supplied with the temperature simulator) to appropriate
connector on temperature simulator.
3. Connect temperature probe to temperature input port on N5500.
22
Press the SRC-MAX %MODULATION selection button. The SRC-
MAX %MODULATION LED will light.
The monitor waveform display will spike and stabilizes at a higher
modulation level.
The monitor will display:
- 90 % SpO
2
- 60 bpm
- no alarm
Disconnect all equipments and turn off the monitor.
Monitor displays respiration rate of 120 ±3 breaths per minute.
Audible alarm will sound, "High respiration rate limits violated" message will
display and respiration rate display will flash, indicating respiration rate is
above default high alarm limits. (medium priority alarm)
Verify monitor displa ys respiration rate of 20 ±3 breaths per minute.
N5500 Service Manual