Calibrating the Flow Sensor
– Before operation, during the device check.
– After replacing the flow sensor.
The flow sensor is automatically cleaned before each
calibration.
After using the medicament nebuliser, the flow sensor is
automatically cleaned and calibrated.
To start calibration:
● Avoid flammable gases (e.g. alcohol vapours after
disinfection).
● Flow sensors which have been disinfected in ethanol
must be left to dry in air for at least 30 minutes.
● Press the »Calibration« key.
● Touch the »Flow« screen key.
● Touch the »Start Cal.« screen key.
The LED in the screen key turns yellow.
Display:
Evita 4 uses the next inspiration phase for the calibration.
Short inspiration times are prolonged to about 1 second.
Message in the help line at the bottom of the screen:
Flow calibration
The yellow LED in the screen key goes out when
calibration is complete.
Operation
Calibrating the Flow Sensor
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