Chapter 4 ______________________________________________________________ Maintenance
VAISALA____________________________________________________________________ 33
RH
%
The numbers on the first line indicate the transmitter reading,
and the numbers on the second line indicate the HMI41 probe
reading.
9.
Let the readings stabilize and press
MODE
. The following display
appears:
RH
set
%
The HMI41 now works only as a terminal for setting the
humidity reading. The numbers on the first line are blinking, and
the numbers on the second line indicate the transmitter reading.
10.
You can now set the blinking reading to the correct value (for
example, the equilibrium RH of a salt solution) with the buttons
▲
and
▼
. Press
ENTER
to conclude the adjustment. If the
adjustment has been succesful, the following display appears:
RH
11.
The data is now stored in the transmitter memory. If the
adjustment has not been succesful, the following display
appears:
RH
12.
In this case, perform the adjustment again. Whether the
adjustment was succesful or not, the HMI41 always returns to
display the selected adjustment mode.
13.
After succesfully completing the adjustment, turn off the HMI41
and disconnect the cable.
