Table of Contents
Advertisement
Operation
Calibrating the Flow Sensor
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.
98
Advertisement
Table of Contents
