9100c
4-20
M1207026
4.5.6 Inspiratory
Flow Valve
The
Inspiratory Flow Valve Calibration
should be performed:
•
when the machine is first put into service.
•
at prescribed, planned maintenance intervals.
•
after the pneumatic vent engine has been serviced.
Note
The
Paw Zero
and
Paw Gain
must be calibrated before the
Inspiratory Valve Calibration
. Select the
Calibration Coefficient
menu, set the calibration coefficient as marked on the calibration
orifice before the
Inspiratory Valve Calibration.
Calibration Setup
1.
Remove the bellows assembly, then connect the calibration
fixture (
A
) to the drive gas outlet.
2.
Connect the large port of flow sensor (
B
) to the calibration fixture.
3.
Connect the calibration pipe (
C
) to the small port of flow sensor.
4.
Connect the calibration orifice (
D
) to the calibration pipe.
5.
Connect the calibration fitting (
E
) to the inspiratory flow port.
6.
Connect the tubing from calibration pipe to the calibration fitting.
Ensure that the test tubing is leak free and the flow sensor tubes are
connected.
A
B
C
D
E
M1207027
004
MANUAL−DOC, Technical Reference Manual, Technical Reference Manual for 9100c, English−default
Reproduced from the electronic master in MATRIX