Table 10. Nibp Test Mode; Table 11. System Information - Nellcor OxiMax N 5500 Service Manual

Pressure Sensor Accuracy Test
Over Pressure Test
Air Leakage Test
Inflation Time Measurement
Deflation Rate Measurement
Return
System Information
This screen displays several system-related items:
System Information
Monitor On Time
Recorder On Time
Battery Deep Discharges Displays the number of deep-discharge cycles seen by the
System Software Version Displays the revision level of the system software. The
Note: The values of Monitor On Time, Recorder On Time and Battery Deep Discharges
may not be reset, but they will be reset to zero when a new Main PCB assembly is
installed.
CMS (Central Monitoring System)
The N5500 monitor has a capability of transferring patient data to Central Monitoring
System (CMS) for N5500. For more information, refer to the CMS instructions for use.
Service Menu and Factory Default Settings

Table 10. NIBP Test Mode

Tests
Description
Verifies that the pneumatic pressure sensor
accuracy is within the specification.
Verifies that the valve will open and the pump
will be disabled if system pressure reaches the
over-pressure protection point (320±10 mmHg
in adult/pediatric mode, 160±5 mmHg in
neonatal mode).
Verifies that the pneumatic pressure air leakage
is within a pressure drop of 6 mmHg/min.
Verifies that the pneumatic pressure inflation is
at the time of 4.0 to 7.5 seconds (to 250 mmHg)
Verifies that the proportional valve will open
and bleed off pressure at the rate of 2.8 to 6.0
mmHg/second (260mmHg – 30mmHg).
Exits NIBP Test Mode screen immediately,
returns to Service Menu.

Table 11. System Information

Description
Displays the number of hours, rounded to the nearest
hour, that the monitor has been operational.
Displays the number of hours, rounded to the nearest
hour, that the Recorder has been operational.
battery. The monitor records a deep discharge cycle when
the battery voltage reaches the voltage at which a
"Deadly Low Battery" alarm is issued.
revision level is also shown on the LCD as part of the
Copyright screen.
N5500 Service Manual 33