1-Point Adjustment Of Co Measurement - Vaisala CARBOCAP GMW90 Series User Manual

User's Guide _______________________________________________________________________
54 ___________________________________________________________________ M211659EN-C
1-point Adjustment of CO
The 1-point adjustment adjusts either offset or gain, depending on the
CO concentration.
2
CCO2 [ONE] [x]<cr>
where
x = The reference CO
should be showing.
Example:
>pass 9000
>cco2 one 440
OK
2-point Adjustment of CO
The 2-point adjustment adjusts both offset and gain.
CCO2 [LO | HI] [x]<cr>
where
LO = Adjustment point at low concentration (< 700 ppm).
HI = Adjustment point at high concentration (> 700 ppm).
x = The reference CO
should be showing.
The 2-point correction is not applied immediately – you must use the
CCO2 SAVE command to store your adjustment to the GM10 module.
If you have entered user adjustments using the CCO2 command but do
not wish to commit them, use the CCO2 CANCEL command.
CCO2 [SAVE | CANCEL]<cr>
Example (two point adjustment, low concentration 0 ppm and high
concentration 1000 ppm):
>pass 9000
>cco2 lo 0
OK
>cco2 hi 1000
OK
>cco2 save
OK
Measurement
2
concentration (ppm) that the transmitter
2
Measurement
2
concentration (ppm) that the transmitter
2