AS3000™ Service Manual 0070-10-0683 5 - 13
Calibration Calibration Procedures
5.5.8 Leakage detection
5.5.8.1 Startup leakage detection
After restarting, select Continue to enter the Leakage Detection screen. Connect the Y-fitting
to the AS3000’s Test Port, and use the AS3000 Test Plug to block the Bag Port. Adjust the
APL Valve to 30 cmH
2
O and close the Flowmeter. Then, select Continue to prompt to the
next screen.
5.5.8.2 APL Valve leakage detection
Follow the on-screen instructions and use the O
2
flush valve to pressurize the system. Ensure
that the bellows does not move while pressurizing the system. Meanwhile, observe the
pressure gauge to ensure that the pressure exceeds 30 cmH
2
O. Release the O
2
Flush Valve
and observe whether the pressure displayed on pressure gauge stays within 25 - 35 cmH
2
O.
After passing the test, select Continue to prompt to the next screen.
5.5.8.3 Safety Valve leakage detection
The Safety Valve leak detection test will start automatically. After finishing, the result of the
test will be displayed on the screen. After passing the test, select Continue to prompt to the
next screen.
5.5.8.4 Breathing System leakage detection
Use the O
2
Flush Valve to fill the bellow full with oxygen according to the prompt on the
screen. Select Continue to start the test. After finishing, the results of the test will be
displayed on screen. Leakage detection must be less than 400 mL/min. After passing the test,
select Continue to prompt to the next screen.
5.5.9 Compliance detection
Adjust the O
2
Flowmeter to make the flow equal to 5 ±0.1 L/min according to the prompt on
the screen. Select Continue to start the Compliance Detection test. After finishing, the results
of the test will be displayed on screen. Compliance detection must be within 1 - 11mL/
cmH
2
O. After finishing compliance detection successfully, select Continue to enter Standby
Screen.
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