Vaisala Humicap HMW60U Guide de l'utilisateur télécharger pdf (Page 67)

Chapter 12 ______________________________ Calibration and Adjustment of HM70 Series Probes

VAISALA _______________________________________________________________________ 65

2-Point Adjustment

Follow the steps from 1 to 4 and continue as follows:

5. Select 2-point adjustment. Press SELECT to continue.

6. Set the probe to a lower reference temperature. You can follow

the stabilization from the GRAPH display.

7. Press READY when the reading is stabilized. Give the lower

reference temperature by using the arrow buttons. Press OK.

8. Set the probe to the higher reference temperature. You can

follow the stabilization from the GRAPH display. Press

READY when the reading is stabilized.

9. Give the higher reference temperature by using the arrow

buttons. Press OK.

10. Confirm the adjustment, press YES. (By pressing NO you

return to adjustment mode display and no changes are made). If

the difference between two references is less than 30 ºC,

adjustment can not be done.

11. Calibration is carried out. Press BACK to exit the adjustment

mode and EXIT to return to the basic display.

Last Adjustment Date

To see the last adjustment date, select Last adjustment date. You can

check this date also from the

Device information, see page 27.

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Vaisala Humicap HMW60U Guide de l'utilisateur Page 67