RADIOMETER ABL90 FLEX - Measurement - Pco; Measurement; Checks; Measurement - Pco 2

ABL90 FLEX reference manual 5. Sensors and optical system
5-27
Measurement – pCO
2
The pCO
2
value measured from the sample is calculated as follows, from the
sensor signal of the sample mV
sample
:
EE
sample cal1
61,5mV S
22
CO CO (cal1) 10pp



The measured value is applied a linear correction:
displayed 1 2
ckck
The following parameters are range checked:
 Sensitivity
 sensitivity drift
 status
 sensor response stability
The sensor response stability is defined as the standard deviation of the last 5
updatings of the response.
Measurement
Checks