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4
Connect the CO
2
sensor to the
CO2 calibration gas as below. The
extra airway adapter mounted
behind the CO
2
sensor is to make
sure that no ambient air is present
during the check.
5
Connect the CO
2
sensor to the ventilator.
For detailed information, see the Clinician
’
s Manual, the Using Accessories chapter.
6
Change the ventilator device settings so that the CO
2
unit is set to percent (%).
Menu path:
Others > Device Settings > CO2 Unit
7
Open the gas valve and adjust the flow so that the float of the rotameter lies above
the first line (or 0.5 l/min if other equipment is used) and let it flow for 30 seconds.
The gas bottle must be in an upright position when performing the gas span check.
8
Check the
“
CO2 Momentary
”
reading on the ventilator.
Menu path:
Others > FIO2/CO2 Calibration
If the Momentary value is not between 4.5-5.5%:
•
Be absolutely sure that the CO2 sensor is in ambient air and perform the CO2 zero-
ing procedure again.
•
Check the expiration date of the gas bottle and that the pressure indicator is not
within the red mark.
•
Make sure that you have attached an extra airway adapter behind the CO2 sensor
and that the output from the second adapter is unconnected out in ambient air.
•
Check that the luer lock plug on the side of the gas regulator is tightly connected.
•
Do not use a sensor that fails the gas span check.
2.10
Electrical Safety Precautions
Electrical safety measurements must be made in accordance with IEC 60601-1 3rd
edition.
Requirements
Vivo 45/Nippy 4 Series Service manual
Doc. 007132 D-2
Summary of Contents for Nippy 4 Series
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