Page 154 (Model K)
21. Oxygen Calibration Routines
The SLE4000 ventilator has two oxygen cell calibration routines. The first
calibration is the 100% oxygen calibration (One Point). This calibration is carried
at the following intervals after the unit is turned on: 0.5 minutes, 10 minutes, 30
minutes, 60 minutes, 90 minutes and then at 8 hourly intervals.
The second routine is the 21% and 100% oxygen calibration (Two Point). This
calibration should only be carried out if the oxygen cell has been replaced or has
registered below 21% (cell drifting with age).
21.1 One point or 100% Oxygen system calibration
The user can carry out a one point calibration of the
system by accessing the oxygen sensor calibration
panel from the services panel from the user
interface.
The ventilator can be connected to a patient for this
calibration.
The FiO
2
measured value will read CALIB in the
FiO
2
parameter control until the routine is complete.
21.2 Two point or 21% & 100% Oxygen system calibration
Note: Only qualified service personnel should carry out the following two
point calibration.
The two point calibration process can be started via two controls.
The first is through the user interface from the
Monitor Services panel.
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