Vaisala Calibration of Digital Transmitters with HMI41 User Manual
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Chapter 3 _______________________________________________________________ Calibration
VAISALA _______________________________________________________________________ 23
Numbers on the first line are blinking, and numbers on the second line
indicate the RH measured by the transmitter. You can now set the
blinking reading to the correct value (for example to the equilibrium
RH of the salt solution) with buttons ▲ and ▼. Press ENTER to
conclude the calibration. If the calibration has been successful, the
following text appears:
RH
The data is now stored in the transmitter memory. If the calibration
has not been successful, the following appears:
RH
In this case, perform the calibration again. Whether the calibration
was successful or not, HMI41 always returns to show the selected
calibration mode:
RH
After having successfully completed the calibration, turn HMI41 off
and disconnect the cable.