Relative humidity adjustment after sensor change, Using display/keypad, Using serial line – Vaisala MMT330 User Manual
Page 146: Fcrh
User's Guide _______________________________________________________________________
146 __________________________________________________________________ M210764EN-F
RH : 75.55 Ref2 ? c
RH : 75.59 Ref2 ? 75.5
OK
>
11.
OK
indicates that the adjustment has succeeded and the new
calibration coefficients are calculated and stored.Enter the
adjustment information (date and text) to the memory of the
transmitter, see the commands CTEXT and CDATE.
12. Press the ADJ button on the motherboard to close the adjustment
mode.
13. Take the probe out of the reference conditions and replace the
filter.
Relative Humidity Adjustment after Sensor
Change
Using Display/Keypad
When using the optional display/keypad, follow the instructions in
section Using Display/Keypad on page 144 but select Adj. for new RH
sensor (instead of 1-point/ 2-point adjustment).
Using Serial Line
After sensor change, carry out the procedure as described in previous
sections. Just replace the CRH command with the FCRH command.
FCRH
Example:
>fcrh
RH
:
1.82 1. ref
?
0
Press any key when ready...
RH
:
74.22
2. ref
? 75
OK
>
The
OK
indicates that the calibration has succeeded.