Chapter 3_____________________________________________________________________ Operation
VAISALA _____________________________________________________________________________7
6.
Let the calibrator settle for 10 minutes.
7.
Connect the reference gas and adjust the flow rate to 0.6 l/min
with a screwdriver (item 4, Figure 1). Flush the chamber with the gas
for 5 minutes.
8.
Input the ambient barometric pressure.
MF_PRESSURE
XXXX
<
CR
>
where xxxx= pressure in hPa.
Example:
>MF_PRESSURE 1013<cr>
MF_PRESSURE=1013
>
9.
Input the ambient temperature.
MF_TEMP
XXX
<
CR
>
where xxx = temperature is given in tenths of °C (25 °C = 250).
Example:
>MF_TEMP 250 <cr>
MF_TEMP=250
>
10.
List the carbon dioxide concentration.
MF_MODE 2<
CR
>
Example:
>MF_MODE 2<cr>
MF_MODE=2
1620.1
1618.3
1619.8
1619.8
...
The carbon dioxide concentration (in ppm) is measured every 0.5
seconds.
