15
eAdvantage User Manual (15PL1033 Rev. 7, July 2022)
With the adjustable outlet pressure regulator set with an outlet pressure of
50 PSI, gradually reduce the outlet pressure of the regulator to around 45 PSI
while slowly releasing the gas from the device until the audible and visual Low
Input Pressure Alarm is activated.
4.3.5. Low Input Pressure Shut OFF
Continue to decrease the oxygen regulator outlet pressure to around 20 PSI,
the device should automatically shut OFF.
4.3.6. Oxygen Flush key
When pressed with the ON/OFF switch set to ON, oxygen should fl ow from
the patient circuit.
4.3.7. Oxygen Concentration
If required, the oxygen concentration of the delivered gas can be determined
by:
A. Connecting an oxygen monitor to the output connection of the
eAdvantage® using a T-Connector.
B. Utilizing a 1 Liter calibrated syringe connected to the output of the
eAdvantage®, draw 5 full breaths (1 Liter each) from the unit.
C. Check the corresponding reading of the oxygen percentage, ensure the
reading falls within +/- 5 % V-V of the preset value.
4.3.4. Low Input Pressure Alarms
Note: The vacuum source can be as simple as a 500 ml calibrated syringe.
Note: To fully test this function it is necessary to have a supply regulator
with an adjustable output pressure and a release valve (Not supplied).
Checking of the alarm may be undertaken by simply slowly closing the
cylinder valve.
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