Datex-Ohmeda Anesthesia Delivery Unit S/5, Техническое справочное руководство

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Calibration A-EV1
Document No. 8502855
C-41
Figure 32 Calibration - Ventilator - Flow page
5. Start the calibration by selecting Start Cal .
Status:
•
Closing expiration 2 valve.
•
Closing support valve.
6. Turn the Auto/Man. switch to Auto position.
7. Select Adjust flow . Adjust flow to the first calibration point (8-12 l/min.) by turning the
ComWheel. Let stabilize for one minute. Push the ComWheel after the adjustment.
8. Enter the reference flow by selecting Give flow and turning ComWheel (a lot) to match the test
device’s reading. Push the ComWheel. Repeat steps (8) and (9) for the next four calibration
points (14-22, 24-32, 40-50 and 52-68 l/min.).
9. Wait until the ventilator stops working with the inspiration valve reference table (this can take
several minutes) before saving the calibration by selecting Save Cal . A indication when the
calibration can be saved is also when your test device stopped indicating any flow (0.0).
NOTE: If the calibration is saved before the inspiration valve reference table is done will the old
calibration values remaining if calibration is saved.
NOTE: If a completely wrong calibration have been saved may the Ventilator stay in the Ventilator self-
check. And then might it be necessary to make the calibration several times to be able to attain
correct reference flow.
To abort calibration, select
Abort Cal .
10. Refit the bellows.
11. Select
Previous menu .
12. Perform calibration according to the calibration tree.