Manual Calibration Of The Flow Sensor - Dräger Cato Instructions For Use Manual

Preparing for use
Checking readiness for operation with checklist

Manual calibration of the flow sensor

Manual calibration of the flow sensor
– The flow sensor can be calibrated by hand while O
calibration is still in progress, either in the machine or
after being removed from the machine.
Without removal:
On the anaesthetic unit:
1 Set AIR/N O selector to »AIR«.
2
2 Close the delivery valves for O
delivery valve for air and thoroughly flush the
breathing system with air.
3 Close the delivery valve for air.
Press the rotary control on the monitor to start
calibration.
The question mark (?) disappears and is replaced by
a timer icon ( ) on the screen.
u
A tick ( ) appears on the screen when calibration
has been completed correctly.
Tick off in checklist.
The cursor frame has automatically jumped to
»Ventilator start-up test«.
With removal:
4 Remove flow sensor:
– Unscrew expiration nozzle
– Remove flow sensor
– Briefly swing it to flush with ambient air
– Hold it horizontally with the cable connection pointing
downwards (calibration in installation position
improves the measuring accuracy)
– Seal off one or both sides as shown on the right,
preferably with your thumb or palm.
Press the rotary control on the monitor to start
calibration; continue as above.
4 Replace flow sensor!
30
2
and N O, open the
2 2
1
2
2
3
4