Vaisala Humicap HMW60U Guía de usuario descargar pdf (Pagina 46)

User's Guide ______________________________________________________________________

44 __________________________________________________________________ M210297EN-E

Two-Point Adjustment Using a

Calibrator

Note that the difference between the two reference humidities must be

at least 50 %. MI70 indicator is used now only as a terminal for

visualizing and setting the transmitter's RH reading.

Follow steps 1 to 7 on page 42 and continue as follows:

8. Remove the filter from the transmitter's probe and insert the

probe into the lower humidity reference condition.

9. Press ADJUST to continue adjusting.

10. Choose 2-point adjustment from the MI70 adjustment menu,

press SELECT.

11. Press READY when the reading has stabilized in the first reference

condition (may take 30 minutes or more). You can follow the

stabilization from the GRAPH display.

12. Enter the correct reference value in the first condition with the

arrow buttons. Press OK.

13. Remove the probe from the first reference conditions and insert

the probe into the higher humidity reference condition.

14. Press READY when the reading has stabilized in the second

reference condition (may take 30 minutes or more). You can

follow the stabilization from the

GRAPH display.

15. Enter the correct reference value in the second condition with

the arrow buttons. Press

OK.

16. Confirm the adjustment by pressing YES (by pressing NO you

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

the difference between the two reference conditions is less than

50 %RH, adjustment can not be done.

17. The adjustment is done. Press BACK and EXIT to return to the

basic display.

18. Turn off the MI70 and detach the connection cable.

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Vaisala Humicap HMW60U Guía de usuario Pagina 46