Vaisala HMP228 Guide de l'utilisateur télécharger pdf (Page 38)

User's Guide _______________________________________________________________________

36 ____________________________________________________________________M210498en-A

Relative humidity adjustment by

using a calibrated reference probe

Follow the steps from 1 to 12 and continue as follows:

13. Ensure that the probes are located in the same conditions.

14. Wait until the readings have stabilized. If the difference between the

humidity readings is less than 2 % RH, there is no immediate need

for adjustment.

15. Adjust the transmitter reading to correspond a reading of the

reference probe by pressing ADJUST.

16. Select To same as RH

I/II

. Press SELECT.

17. Confirm by pressing YES

18. Press BACK, EXIT, EXIT to return to the basic display.

1-point relative humidity adjustment

by using a calibrator

You can use Vaisala humidity calibrator HMK15 to achieve the reference

humidities. MI70 indicator is working as a communicator in the calibration

procedure.

Follow the steps from 1 to 12 and continue as follows:

13. Insert the transmitter probe to the reference humidity

14. Press ADJUST

15. Select 1-point adjustment. press SELECT

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Vaisala HMP228 Guide de l'utilisateur Page 38