Vaporizer Test Preoperative Tests
5 - 12 Operator’s Manual of Anesthesia System
5.10 Vaporizer Test
WARNING: During the vaporizer test, the anesthetic agent comes from the fresh
gas outlet. Use a safe and approved procedure to remove and collect
the agent.
Before the test, ensure that the vaporizers are correctly installed. For detailed steps, see "Vaporizer" on
Pages 3-4.
5.10.1 Vaporizer Back Pressure Test
1. Connect the O
2
pipeline supply or open the O
2
cylinder valve.
2. Set the O
2
flow to 6 L/min.
3. Ensure that the O
2
flow stays constant.
4. Adjust the vaporizer concentration from 0 to 1%. Ensure that the O
2
flow does not decrease by
more than 1 L/min throughout the process. Otherwise, install a different vaporizer and repeat
this step. If the problem persists, the malfunction is in the anesthesia system. Do not use this
system.
5. Test each vaporizer as per the steps above.
NOTE: Do not perform this test on the vaporizer when the concentration control
is between [OFF] and the first graduation above [0] (zero) as the amount
of anesthetic drug outputted is very small within this range.
5.10.2 Vaporizer Leak Test
1. Set the Auto/Manual switch to the Manual position.
2. Set the ACGO to patient circuit (if the system have ACGO function).
3. Set the APL valve to the SP position.
4. Connect the manual bag to the bag arm port.
5. Connect the Y-piece on the breathing circuit to the leak test port.
6. Install and lock the vaporizer onto the mount spot. (Certain vaporizers need to be set to at least
1% for correct testing. See the vaporizer manufacturer’s manual for details.)
7. Set the fresh gas flow to 0.2 L/min.
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