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Service Menu
57
Document no. M1144955-001
4.12.4 CO
2
Sensor
Lamp ON/OFF:
A selection to toggle the sensor lamp
on and off.
Meas Signal:
A selection to start an automatic signal
measurement sequence. This sequence measures
sensor lamp signal levels.
Meas Zero:
A selection to start an automatic zeroing
measurement sequence.
Meas Gas:
A selection to start an automatic gas
measurement sequence. This sequence first
performs the zeroing measurement. Then it
measures the CO
2
concentration of the sample of
arbitrary gas aspirated from the catheter port.
Record Data:
A selection to print out the shown
service data to the device defined in the
...Service -
Record Data
menu.
TONO
Calib gain;
CO
2
measurement gain factor that is set
in calibration.
Lamp on current
; sensor lamp current when lit.
Lamp off current
; sensor lamp current when off.
Block temp
; sensor temperature [
°
C] (in degrees centigrade).
Detector offset;
CO
2
detector offset voltage.
Lamp status
; displays whether the sensor lamp is on or off.
CO2 AD
; signal from CO
2
sensor thermopile (AD counts).
CO2 signal
; thermopile signal maximum – minimum when the lamp is blinking (AD counts).
CO2 zero
; thermopile signal maximum - minimum during sensor zeroing when the lamp is blinking (AD counts).
CO2 absorbance
; calculated light absorbance during CO
2
measurement.
CO2 concentration
; CO
2
concentration (%) in sensor (does not include compensations related to catheter
measurement).
MEAS TEMP
; CO
2
sensor temperature during signal measurement [
°
C].
MEAS PRESS
; CO
2
sensor pressure during signal measurement [mbar].
ZERO TEMP
; CO
2
sensor temperature during zeroing measurement [
°
C].
ZERO PRESS
; CO
2
sensor pressure during zeroing measurement [mbar].