Vaisala HUMICAP HMP41 User's Guide download pdf (Page 68)

User's Guide ______________________________________________________________________

66 __________________________________________________________________ M211280EN-A

10. Choose LiCl-NaCl autom. from the MI70 adjustment menu and

press SELECT. Press OK to accept the note telling about

references.

11. Press READY when the reading has stabilized in the LiCl salt

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

stabilization from the GRAPH display.

12. Remove the probe from the LiCl salt chamber and insert the

probe head into the NaCl salt chamber.

13. Press READY when the reading has stabilized in the NaCl salt

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

stabilization from the GRAPH display.

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

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

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

basic display.

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

Temperature Field Check and Adjustment by Using a

Calibrated Reference Probe

Follow steps 1 to 7 on page 62 and continue as follows:

8. Check that the probes are located in equal conditions and wait

until the readings are stabilized (can take 30 minutes or more). If

you are close to the probes, do not breathe in their direction.

9. Press ADJUST to continue adjusting.

10. Press To same as T

II/I

, press SELECT. (MI70 always recognizes the

port to which the HMP70 series probe is connected).

11. Confirm by pressing YES.

NOTE

If the temperature difference between the reference probe and HMT130

is too large, the adjustment cannot be done (HM70 will notify you of

this). The available reserve for T adjustment of HMT130 depends on

the initial temperature calibration of the unit.

12. Adjustment is done. Press BACK and EXIT to return to the basic

display.

13. Switch off the MI70 and detach the calibration cable from MI70

and from the transmitter.

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Vaisala HUMICAP HMP41 User's Guide Page 68