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Page 71
Monitoring
4
User guide
CO
2
Sidestream
4.11
A
rt.
no.
: 0-48-
0227
Rev.:
g
DEFIGARD/PHYSIOGARD Touch 7
4.11.2
Initial operation of the ISA gas analyser
4.11.3
Sensor LED indications
In addition to the information given on the screen, the sensor LED indicates the
following:
Steady green:
System OK
Flashing green:
Zero reference calibration in process
Steady red:
Sensor error
Flashing red:
Check/replace the sampling line
• The sensor requires a warm-up time of around ten seconds.
1. Connect the sensor cable (
1
).
2. Connect the Nomoline sampling line
(2)
to the ISA gas analyser.
3. A green LED (2) indicates that the sensor is ready for use.
4. Select the EtCO2 measurement
field
(3)
to open the EtCO2 menu. “
5. Select OFF/ON button to start the measurement.
6. Breathe briefly into the sampling line and check that the CO
2
curves and values
are displayed correctly.
7. Occlude the sampling line with your fingertip and wait for 10 seconds.
8. Check that an occlusion alarm is displayed and that the gas analyser shows a
flashing red light.
Replace the sampling line if the sampling line input connector (2) starts flashing
red or the message “Sampling line clogged” is displayed on the device.
Connect the gas sample exhaust port
to the gas exhaust of the bag to prevent
that CO2 enriched gas in the bag influences the zeroing of the ISA gas analyser
1
Start measurement
ON
3
Perform zeroing
Type of ventilation
Air
Curve amplitude (%)
2
Nomoline sampling line
Green/Red LED
Nomoline
sampling line