Vaisala HUMICAP DMT132, User Manual

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11. When the measurement shown by RHCAL is stable, you can either apply the correction
or exit the procedure:
• To apply the correction, press ENTER one last time to update the value, type 11 and
press ENTER again (assuming you are using the HMK15 and the LiCl salt).
• To exit the RHCAL command without adjusting the measurement, press the ESC key
and exit this procedure.
12. If you only want to perform a one-point calibration (offset correction), press the ESC
key after entering the correction. The RHCAL command will exit, and you can move to
step 16 .
RH: 10.950116 Ref1 ? 11
Press any key when ready
>
To continue with the calibration of the wet end (gain correction), press ENTER.
13. Insert the DMT132 in the NaCl salt chamber (75 %RH). Make sure the salt chamber is
sealed and the transmitter sits tightly.
14. Wait for 20 ... 40 minutes for the reading to stabilize. Press ENTER without typing
anything to update the value shown by the RHCAL command.
RH: 75.251050 Ref2 ?
RH: 75.200621 Ref2 ?
RH: 75.198200 Ref2 ?
15. To apply the correction, press ENTER one last time to update the value, type 75 and
press ENTER again (assumes you are using the HMK15 and the NaCl salt).
RH: 75.175200 Ref2 ? 75
OK
Saving settings...done
>
The RHCAL command is now finished and both adjustments have been applied.
16. Use the L command to verify that the new user adjustment parameters are in use:
> l
DMT132 User Guide M211289EN-B
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