Chapter 3: Pressure Differential Alarm/Bypass Check - CareFusion Bird Sentry User Manual

Bird Sentry™ Blender
Chapter 3: Pressure Differential Alarm/ By pass Check
Before placing the Bird Sentry blender into clinical use, periodically perform the following tests.
Warning!
If the Bird Sentry blender does not function as described in this chapter, contact your
CareFusion distributor or CareFusion. DO NOT use the Bird Sentry blender until correct
performance has been verified.
Connect the 50 ±5 PSIG (3.4 ±0.3 BAR) oxygen and air supply sources to the inlet connectors located
on the bottom of the Bird Sentry blender. Ensure the Bird Sentry blender is properly placed in sensor
port and Bird Sentry display is on.
Note:
Before proceeding, ensure that the high-alarm set point control is OFF (--) and that the low
alarm set point control is below 20.
PROCEDURE
1. Adjust the oxygen concentration such that
the display reads 60% O
2. Disconnect the 50 PSIG AIR source from the
Bird Sentry blender.
3. Reconnect 50 PSIG AIR source to the Bird
Sentry blender.
4. Disconnect 50 PSIG OXYGEN source from the
Bird Sentry blender.
5. Reconnect 50 PSIG OXYGEN to the Bird
Sentry blender.
6. Adjust the air and oxygen inlet regulators to
0 PSIG.
7. Remove the air-inlet hose from the regulator,
and insert the end into a beaker of water.
8. Slowly raise the pressure of oxygen regulator
to 50 PSIG and back to 0 PSIG while
observing air hose end in beaker.
9. Dry and reattach the air inlet hose to the
regulator.
10. Remove the oxygen-inlet hose from the
regulator, and insert the end into beaker of
water.
L1383 Rev. D
±3%.
2
BIRD SENTRY™ RESPONSE
No response.
Audible alarm sounds.
Display reads 100% O
Audible alarm stops. Verify that the display
panel reads 50% ±5%.
Audible alarm sounds.
Display reads 20.9% ±2%.
Audible alarm stops. Verify that the display
panel reads 60% ±5%.
No response.
No response.
No bubbles should be observed. Audible
alarm sounds.
No response.
No response.
±2%.
2
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