Vaisala DRYCAP DMT345 Guide de l'utilisateur Page 135

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Vue de la page 134
Chapter 6 ___________________________________________________Calibration and Adjustment
VAISALA ______________________________________________________________________ 135
8. When the reading is stabilized, give the reference humidity after
the question mark and press Enter.
>fcrh
RH : 11.25 Ref1 ?
RH : 11.25 Ref1 ?
RH : 11.25 Ref1 ?
RH : 11.24 Ref1 ?
RH : 11.24 Ref1 ? 11.3
Press any key when ready ...
9. Now the device is waiting for the wet end reference. Insert the
probe in the wet end reference condition (30 ... 75 %RH). Press any
key when ready.
10. Let the probe stabilize for about 30 minutes. You can follow the
stabilization by pressing Enter.
11. When stabilized, type the high end reference value after the
question mark and press Enter.
>fcrh
RH : 11.25 Ref1 ? c
RH : 11.24 Ref1 ? c
RH : 11.24 Ref1 ? 11.3
Press any key when ready ...
RH : 75.45 Ref2 ? c
RH : 75.57 Ref2 ? c
RH : 75.55 Ref2 ? c
RH : 75.59 Ref2 ? 75.5
OK
>
12. The 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 section Adjustment Information on page 132.
13. Press the ADJ button on the motherboard to close the adjustment
mode.
14. Take the probe out of the reference conditions and replace the
filter.
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